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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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 Posted: Dec 31, 2010 07:36 Post subject: Re: Collection of Mike Wood |
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Calcites from the basalt lavas of the Isle of Skye.
This time I'm uploading from another computer. It is going to work this time! ; ) Mike
| Description: |
Calcite + chabazite + analcime
Talisker Bay, Isle of Skye, Scotland, UK
Calcite crystals 25 mm
Honey-brown spike of rhombohedral calcite crystals 25mm long stands in a vug (35mm x 20mm) lined with small twinned pinkish chabazite crystals and a single white analcime crystal (3mm). Self-collected 1992 from Talisker Bay, Isle of Skye. |
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65049 Time(s) |
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Calcite + stilbite
Biod a' Mhurain, Duirinish, Isle of Skye, Scotland, UK
Calcite crystal 33 mm
A large interpenetrant rhombohedral twinned calcite crystal 33mm wide is perched aesthetically on a bed of smaller simple calcite rhombs, which are in turn deposited on a thin layer (1mm) of tiny stilbites. The calcites are mostly dull with surface etching or coating but are transparent otherwise. Found at a very remote locality on the Duirinish peninsular. This specimen and the next three specimen photo's all came from the same large vein cavity, in basalt lava. Self-collected 1997 from Biod a' Mhurain, Duirinish, Isle of Skye, Scotland. |
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65015 Time(s) |
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| Description: |
Calcite + stilbite
Biod a' Mhurain, Duirinish, Isle of Skye, Scotland, UK
Specimen is 75 mm x 45 mm
Calcite crystal 20mm wide
An interpenetrant rhombohedral calcite crystal 20mm wide is perched aesthetically on a bed of simple calcite rhombs (to 4mm), on a thin bed of micro stilbite crystals. Specimen is 75 mm x 45 mm. Self-collected 1997 from Biod a' Mhurain, Duirinish, Isle of Skye. |
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65002 Time(s) |
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Calcite + stilbite
Biod a' Mhurain, Duirinish, Isle of Skye, Scotland, UK
The large calcites 29 mm on edge
A beautiful specimen of transparent, slightly etched rhombohedral calcite with some modifications to the corners and edges. The large calcites (to 29mm on edge) rest on a bed of micro stilbite crystals and a few simple calcite rhombs. This is the first specimen I found at this locality; it was exposed to the atmosphere and colourless. The other calcites found within the cavity have a yellowish hue. Self-collected 1996 from Biod a' Mhurain, Duirinish, Isle of Skye. |
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64978 Time(s) |
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| Description: |
Calcite + stilbite
Biod a' Mhurain, Duirinish, Isle of Skye, Scotland, UK
The plate measures 22 cm x 13 cm
Very large plate covered on both sides with simple calcite rhombs to 5mm, on a layer of micro stilbite crystals (which are much more exposed on the back of the specimen). Several groups of large pale yellow interpenetrant calcite rhombs are perched aesthetically on the specimen. The plate measures 22cm x 13cm. Self-collected, in the company of Dave Green, 1997 from Biod a' Mhurain, Duirinish, Isle of Skye. |
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64942 Time(s) |
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Calcite + stilbite
Camas na h-Uamha (Bay of Caves), Duirinish, Isle of Skye, Scotland, UK
Specimen is 75 mm wide and 55 mm high.
This specimen is from a different locality, though again it was in a vein cavity in basalt. There are THREE different forms of calcite here, though only two are represented on this specimen. The earlier scalenohedral calcites are coated with micro-crystallised stilbite, with simple later calcite rhombs on top; a rather beautiful combination. Specimen is 75mm wide and 55mm high. By the way, that calcite scalenohedron near the bottom left that sticks out leftwards - is stuck back on - in this case it was probably an unnecessary repair! Self-collected 1998 from Camas na h-Uamha (Bay of Caves), Duirinish, Isle of Skye. |
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64984 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: Dec 31, 2010 10:35 Post subject: Re: Collection of Mike Wood |
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While the going is good, time to upload some chabazites from the Isle of Skye. Mike : )
| Description: |
Chabazite + 'mesolite'
Talisker Bay, Isle of Skye, Scotland, UK
Large plate 12 cm x 8 cm
Chabazite crystals to 8 mm
Large plate 12cm x 8cm covered with simple white chabazite crystals to 8mm, associated with 'mesolite' needles. The specimen looks a bit dirty - I just gave it a quick rinse under the tap so's not to wash away all the 'mesolite'. Self-collected 2002 from Talisker Bay, Isle of Skye. |
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64917 Time(s) |
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Chabazite on analcime
Talisker Bay, Isle of Skye, Scotland, UK
Specimen is 8 cm wide x 6 cm high x 5 cm deep
Chabazite crystals to 8 mm
Attractive combination of pinkish simple chabazite crystals to 8mm on translucent analcime crystals. Specimen is 8cm wide x 6cm high x 5cm deep. Self-collected 1990 from Talisker Bay, Isle of Skye. |
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64934 Time(s) |
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Chabazite + analcime
Talisker Bay, Isle of Skye, Scotland, UK
The vug measures 60 mm wide and 45mm high
Analcime crystals to 12 mm
Lovely pink twinned chabazite crystals with some analcime crystals (to 12mm). Very fresh crystals with a good degree of transparency. The vug measures 60mm wide and 45mm high. Dave MacCallum collected this in 2002, from Talisker Bay; and I exchanged it with him for a nice pink heulandite specimen from Sgurr nam Boc. |
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64888 Time(s) |
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Chabazite
Vug measures 60 mm x 45 mm
Chabazite crystals, the big one in the centre measures 14 mm x 12 mm
Moonen Bay, Duirinish, Isle of Skye, Scotland, UK
Chabazite in vug in basalt. Very large with a fine pink/orange colour chabazite crystals. The big one in the centre measures 14mm x 12mm. Vug measures 60mm x 45mm. The chabazite crystal on the top edge has been stuck back on I'm afraid. Moonen Bay does produce some excellent large and coloured chabazites but they are very brittle and difficult to extract in one piece! Self-collected 1996 from Moonen Bay, Duirinish, Isle of Skye. |
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64931 Time(s) |
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Chabazite + stilbite
Sgurr nam Boc, Isle of Skye, Scotland, UK
8 cm x 4 cm x 2 cm high
Fresh specimen measuring 8cm x 4cm x 2cm high. Simple clear and lustrous chabazite crystals to 14mm on edge, associated with lustrous flat-topped stilbites in curved aggregates, like cauliflower. Beneath is a thin crust made up of small stilbites, tiny quartz crystals and a little mordenite. Self-collected 1994 from Sgurr nam Boc, Isle of Skye. |
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64971 Time(s) |
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Chabazite + stilbite + mordenite
Sgurr nam Boc, Isle of Skye, Scotland, UK
Specimen measures 8cm wide x 6cm high x 4cm deep
Chabazite crystals to 13 mm on edge
Simple chabazite crystals to 13mm on edge, lustrous but with a lot of internal crazing, sit next to a group of 'cauliflower' stilbites, all on a bed of mordenite. ( Mordenite is generally a rare mineral but it does occur at Sgurr nam Boc, with other silica-rich zeolites and of course quartz. Specimen measures 8cm wide x 6cm high x 4cm deep. Self-collected 1996 from Sgurr nam Boc, Isle of Skye. |
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64946 Time(s) |
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| Description: |
Chabazite + stilbite
Oisgill Bay, Duirinish, Isle of Skye, Scotland, UK
Crystal of chabazite 3 cm wide
Very large and fresh twinned crystal of chabazite 3cm wide in a vug with small fresh 'cauliflower' (ie flat-topped) stilbites. Self-collected 1996 from Oisgill Bay, Duirinish, Isle of Skye. |
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64920 Time(s) |
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Chabazite variety 'phacolite' + analcime + 'mesolite'
Oisgill Bay, Duirinish, Isle of Skye, Scotland, UK
Specimen is 12 cm long x 3 cm high x 5 cm deep
Chabazite crystals are up to 19 mm across
'Phacolite' is an old name given to chabazites showing extreme twinning - these crystals are nearly circular! The crystals are up to 19mm across, and lie on a bed of very small grey (transparent) analcimes and some 'mesolite' (could be natrolite as this mineral has been found here associated with analcime). Specimen is 12cm long x 3cm high x 5cm deep. Self-collected 1996 from Oisgill Bay, Isle of Skye. |
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64947 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: Jan 05, 2011 11:41 Post subject: Re: Collection of Mike Wood |
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Hello again, I'll start off with another photo of the apophyllite (Skye Minerals 091), after I trimmed the big chunk of rock off of it. Then another photo of the nice calcites (skye Minerals 094) and a photo of the third habit of calcite found at this locality (Camas na h-Uamha). After that, We'll have a few more calcites, apophyllite, and an analcime from Talisker Bay.
| Description: |
| Apophyllite + Chabazite. This is the same specimen as Skye Minerals 091 seen previously, but after trimming, so this view is from the other side. Happily the trimming worked well ! The apophyllite crystal group is 22mm wide and 20mm long, on this side. Self-collected 2004 from Creag na Cuail, Duirinish, Isle of Skye. |
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64770 Time(s) |
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| Description: |
| Calcite + stilbite. Same specimen as Skye Minerals 094 seen previously, from a slightly different angle. Specimen is 58mm high and 80mm wide from this angle. Self-collected 1998 from Camas na h-Uamha, Duirinish, Isle of Skye. |
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64791 Time(s) |
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| Description: |
| Calcite + stilbite. The only decent specimen showing the third habit of calcite at this locality. A 'butterfly' twinned and flattened scalenohedral crystal measuring 25mm x 19mm is partially coated with micro stilbites, as is the more common elongated scalenohedral 'dog-tooth' habit of crystal. The later more simple rhombohedral calcites appear to have been deposited after the earlier forms af calcite were covered with the micro stilbite crystals. Specimen measures 80mm wide (not all shown in the photo) x 45mm high x 40mm deep. Self-collected 1998 from Camas na h-Uamha, Duirinish, Isle of Skye. |
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64766 Time(s) |
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| Description: |
| Calcite + stilbite. An elongated scalenohedron of calcite 64mm long is coated with micro stilbites, with a few rhombohedral calcites aesthetically perched on the larger crystal. Self-collected 1999 from Camas na h-Uamha, Duirinish, Isle of Skye. |
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64735 Time(s) |
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| Description: |
| Calcite on basalt. Simple rhombs of transparent calcite to 11mm on edge rest on a bed of 'sugary' looking calcite, which has a smooth surface. Specimen is 10cm x 8cm. Self-collected 1995 from Loch Bharcasaig, Duirinish, Isle of Skye. |
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64832 Time(s) |
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| Description: |
| Calcite + chabazite. A not-so-good photo showing a nice yellowish transparent calcite rhomb to 15mm on edge, on a bed of small chabazite crystals. Specimen is 50mm x 25mm x 22mm. Self-collected 1999 from Moonen Bay, Duirinish, Isle of Skye. |
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64738 Time(s) |
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| Description: |
| Calcite + chabazite. A nice 'floater' specimen of transparent yellowish calcite with a matt surface, on lustrous chabazites. Specimen is 23mm high x 20mm x 17mm. Self-collected 2009 from Moonen Bay, Isle of Skye. |
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64739 Time(s) |
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| Description: |
| Calcite + analcime. A gorgeous brown group of slightly curved rhombohedral calcites, in a vug lined with small (2mm) analcime crystals. The calcites are very lustrous, and rather difficult to photograph ! Vug measures 36mm high x 25mm wide. Self-collected 1999 from Talisker Bay, Minginish, Isle of Skye. |
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64791 Time(s) |
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| Description: |
| Calcite + stilbite. Basically a rhombohedral habit of transparent calcite, but elongated, into thin crystals, on a bed of stilbite. Specimen measures 55mm wide x 40mm high x 30mm deep. Self-collected 1994 from Sgurr nam Boc, Minginish, Isle of Skye. |
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64803 Time(s) |
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| Description: |
| Calcite + stilbite. Nice yellowish rhombohedral calcite crystal to 15mm on the front edge, associated with small white stilbite crystals. Specimen is 37mm wide x 20mm high x 20mm deep. Self-collected 1992 from Sgurr an Duine, Minginish, Isle of Skye. ( Sgurr an Duine is the cliff/beach immediately north of Sgurr nam Boc.) |
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64716 Time(s) |
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| Description: |
| Apophyllite + 'gyrolite'. Large chunky apophyllite crystals with corner modifications, nice and lustrous. The big crystal measures 23mm x 19mm x 17mm. The gyrolite looks somewhat altered - it might be something else now. Specimen measures 53mm wide x 30mm x 25mm. Self-collected 2009 from near to Ollisdal Geo, Duirinish, Isle of Skye. (Another remote locality in this area of Skye). |
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64796 Time(s) |
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| Description: |
| Apophyllite + 'gyrolite'. A large and lustrous apophyllite crystal with a distinct brown coloured centre on a bed of altered looking gyrolite. Crystal measures 27mm wide. Self-collected 2009 from near to Ollisdal Geo, Duirinish, Isle of Skye. |
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64765 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: Jan 08, 2011 10:07 Post subject: Re: Collection of Mike Wood |
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Another batch of zeolites from the basalt lava flows of the Isle of Skye, Scotland.
| Description: |
| Apophyllite + stilbite + thomsonite. Lustrous transparent apophyllite crystals, with curved pinacoidal terminations, on a bed of thomsonite with associated small stilbites. Specimen measures 42mm x 30mm x 20mm. Self-collected 2010 from Moonen Bay, Isle of Skye, Scotland. |
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64627 Time(s) |
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| Description: |
| Analcime + chabazite. A large analcime crystal 34mm wide with smaller grey analcimes, and white chabazite crystals to 10mm. Also there are a few small stilbites and some brownish calcite. Specimen measures 10cm x 7cm x 4cm high. Self-collected 2002 from Talisker Bay, Isle of Skye, Scotland. |
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64606 Time(s) |
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| Description: |
| Chabazite + analcime. Fresh lustrous chabazite crystals to 7mm, of simple habit, scattered on a bed of transparent 1mm analcime crystals. Specimen measures 8cm x 6cm x 3cm high. From a remote locality on the south shore of Loch Bracadale. Self-collected 1994 from (600m east of Rubha nan Clach), Minginish, Isle of Skye, Scotland. |
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64618 Time(s) |
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| Description: |
| Chabazite. A nice plate of lustrous white chabazite crystals to 10mm. Specimen measures 8cm x 7cm. Self-collected 1993 from Talisker Bay, Isle of Skye, Scotland. |
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64612 Time(s) |
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| Description: |
| Chabazite on basalt. Fresh lustrous chabazite crystals to 11mm on edge. Specimen measures 75mm wide x 37mm deep x 40mm high. Self-collected 1996 from Moonen Bay, Isle of Skye, Scotland. |
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64625 Time(s) |
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| Description: |
| Chabazite + analcime. Very fresh pinkish transparent chabazites of a highly twinned nature (to 5mm) with a couple of small white analcime crystals. Vug measures 40mm x 25mm. Self-collected 1999 from Moonen Bay, Isle of Skye, Scotland. |
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64649 Time(s) |
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| Description: |
| Chabazite + phillipsite. A 6mm white chabazite crystal of simple habit rests in a vug lined with lustrous brown phillipsite crystals. Vug measures 25mm wide x 22mm high. Self-collected 1996 from Moonen Bay, Isle of Skye, Scotland. |
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64599 Time(s) |
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| Description: |
| Chabazite + analcime. A large specimen with white chabazite crystals to 10mm resting on small transparent analcime crystals. Specimen measures 14cm wide x 8cm high x 7cm deep. Self-collected 1997 from Sgurr nam Fiadh, Minginish, Isle of Skye, Scotland. (Another remote locality, 5km south of Talisker Bay). |
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64609 Time(s) |
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| Description: |
| Chabazite + stilbite. Very large chabazite crystals of simple habit, to 16mm on edge, on stilbite crystals. Whole specimen measures 55mm x 45mm x 40mm high. Self-collected 1994 from Sgurr nam Fiadh, Minginish, Isle of Skye, Scotland. |
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64635 Time(s) |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Jan 08, 2011 11:34 Post subject: Re: Collection of Mike Wood |
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Mike,
Absolutely fabulous material...and self-collected is the icing on the cake!!!
Bob
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Cecil Bankston
Joined: 18 Mar 2010
Posts: 12
Location: Louisiana
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| Posted: Jan 08, 2011 14:28 Post subject: Re: Collection of Mike Wood |
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| The specimens and pictures are very impressive. Are there any photos of the collecting areas you could post?
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Jan 12, 2011 11:21 Post subject: Re: Collection of Mike Wood |
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| Mike, great finds,I'm sure they didn't just fall into your hands. I wonder if the natural calving of the sea cliffs is your ally and are the pockets encountered gas pockets or brecciations? I also know the joys of the sharp end and "Going where no man has gone before!", mostly on rappel. Bold collecting Mike, lets see more!
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: Jan 13, 2011 17:38 Post subject: Re: Collection of Mike Wood |
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Thanks guys, to answer a few points; the locations are invariably from boulders at the foot of the big sea-cliffs (made of tertiary basalt lava flows), which fringe much of the west coast of the isle of skye. I have been exploring the area for zeolites which mostly occur within gas cavities in the basalt lavas. I haven't yet resorted to rappel methods, nor taken to the seas; my philosophy is to try explore as far as possible without getting wet! And have fun doing it - I don't always find stuff when covering new ground but the impressive scenery more than compensates.
| Description: |
| The 'beach' to the south of Talisker Bay, Isle of Skye, at low tide. Sep. 2010. |
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30536 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: Mar 20, 2011 07:51 Post subject: Re: Collection of Mike Wood |
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Then again, some of the Isle of Skye coastline looks like this, on a nice day. The calcite locality of Biod a Mhurain is in the centre of the photograph. It is very difficult to access!
| Description: |
| Isle of Skye coastline at it's most beautiful - the 'Wilderness' area (Duirinish), about 6 miles (10km) south of Moonen Bay. The locality of Biod a Mhurain is approximately in the centre of the photograph. June 2008. |
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30270 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: Mar 20, 2011 08:49 Post subject: Re: Collection of Mike Wood |
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This view is from the cliff-top 600 feet (200m) above Oisgill Bay, Duirinish, Isle of Skye. This beach locality is relatively easy to access, but the huge vertical sea-cliffs are a constant threat for rockfall. My friend D.M. was there one time, near the large boulders on the beach and away from the big cliffs, when a massive rockfall occurred probably involving hundreds of tons of rock, which sent a dust-cloud over the bay which obscured the sun for about 30 minutes!
| Description: |
| Cliff-top above Oisgill Bay, Isle of Skye. March 2007.Tertiary basalt lava flows are easily seen in the 600' (200m) vertical sea-cliff. The even bigger cliff-top in the middle distance is called Waterstein Head (nearly 1000' high or 270m) and tucked in behind it is Moonen Bay. |
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30191 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: May 21, 2011 06:35 Post subject: Re: Collection of Mike Wood |
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Right then, time for some more zeolites and related minerals from the Isle of Skye.
| Description: |
Gyrolite + Apophyllite on Thomsonite
Moonen Bay, Isle of Skye, Scotland, UK
The larger gyrolite ball is 12 mm across.
Nice little thumbnail specimen; self-collected from Moonen Bay, Isle of Skye, in 1996. |
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29956 Time(s) |
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| Description: |
Gyrolite on Thomsonite
Moonen Bay, Isle of Skye, Scotland, UK
Field of view approx. 30 mm x 22 mm.
Self-collected from Moonen Bay in 1996. |
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29980 Time(s) |
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| Description: |
Gyrolite on Thomsonite
Moonen Bay, Isle of Skye, Scotland, UK
9 cm x 4 cm x 6 cm high
Some of the gyrolite shows alteration to a white powdery mineral. Self-collected from Moonen Bay in 1996. |
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30151 Time(s) |
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Gyrolite + Apophyllite on Analcime
Inbhir a' Gharraidh, Duirinish peninsula, Isle of Skye, Scotland, UK
Field of view approx. 6 cm across
Self-collected from Inbhir a' Gharraidh, Duirinish, Isle of Skye in 1998. This locality is about 600m NW of MacLeods' Maidens - which are two or three prominent sea-stacks (pinnacles). If there was a scale of difficulty to access this place, it would be seven (assuming Sgurr nam Boc is grade five !). |
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29962 Time(s) |
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| Description: |
Laumontite on 'Mesolite'
'Glen Caladale', Loch Eynort, Isle of Skye, Scotland, UK
Laumontite sprays 10 mm high
Small brown calcite crystal: 3mm
A small (3mm) brown calcite crystal sits on top of the laumontite sprays which are 10mm high. Self-collected in 1996 from 'Glen Caladale' - a coastal locality near Loch Eynort, Isle of Skye. I keep the specimen in a clear sealed box and so far, it hasn't crumbled to bits. |
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29926 Time(s) |
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Levyne
Moonen Bay, Isle of Skye, Scotland, UK
Crystals to 7 mm
Levyne crystals to 7mm in a gas cavity in basalt 16mm across. The thin blue layer lining the cavity is a clay - like mineral. The broken edges of some of the levyne crystals show the white fibrous epitaxial overgrowths of (erionite/offretite). Self-collected in 1994 from Moonen Bay, Isle of Skye, Scotland. |
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29981 Time(s) |
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| Description: |
Levyne
Moonen Bay, Isle of Skye, Scotland, UK
Levyne crystals to 9 mm on small clear Analcime crystals
Levyne crystals to 9mm on small clear Analcime crystals. Most of the crystals are undamaged and this is the best specimen I have found of levyne. Self-collected in 2010 from Moonen Bay. |
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29928 Time(s) |
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| Description: |
Epistilbite
Sgurr nam Boc, Isle of Skye, Scotland, UK
Crystals to 5 mm
Crystals to 5mm on quartz, with a little ?mordenite. The cavity is 23mm x 18mm. Self-collected in 1996 from Sgurr nam Boc, Isle of Skye. |
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29952 Time(s) |
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| Description: |
Epistilbite
Sgurr nam Boc, Isle of Skye, Scotland, UK
Largest 'ball' is 6 mm x 4 mm. Cavity is 3 cm x 2 cm.
Epistilbite in single crystals and aggregates - largest 'ball' is 6mm x 4mm. Cavity is 3cm x 2cm. Self-collected in 1997 from Sgurr nam Boc.
{Ref:- Green,D.I. & Wood,M. (1996) Epistilbite from the Isle of Skye, Scotland. Journal of the Russell Society 6(2), p85-87. |
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30060 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: May 30, 2011 08:08 Post subject: Re: Collection of Mike Wood |
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More zeolites from the Isle of Skye,Scotland.
| Description: |
Cowlesite
Oisgill Bay, Isle of Skye, Scotland, UK
Grey balls of cowlesite to <1mm on 25 mm x 10 mm gas pocket in the basalt
Cowlesite. A gas pocket in the basalt lava (25mm x 10mm) hosts an aggregate of grey balls of cowlesite (to <1mm). It looks very similar to the more common thomsonite but it forms much smaller balls; and tends to occur with other rarer zeolites such as levyne phillipsite, garronite. Self-collected in 1999 from Oisgill Bay, Isle of Skye. |
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29858 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: May 30, 2011 09:45 Post subject: Re: Collection of Mike Wood |
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Heulandite from the Isle of Skye.
| Description: |
Heulandite
Sgurr nam Boc, Isle of Skye, Scotland, UK
Specimen measures 17 x 6 x 5 cm
Pink Heulandite crystals to 10 mm
Pink Heulandite crystals to 10mm with some white 'cauliflower' stilbites. Specimen measures 17 x 6 x 5cm. Self-collected in 1992 from Sgurr nam Boc, Isle of Skye. |
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29836 Time(s) |
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| Description: |
Heulandite + stilbites + micro crystallized quartz
Sgurr nam Boc, Isle of Skye, Scotland, UK
Specimen measures 63 x 45 x 35 mm.
Large curved Heulandite crystals with small stilbites and micro crystallised quartz. Specimen measures 63 x 45 x 35mm. Self-collected 1992 from Sgurr nam Boc. |
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29815 Time(s) |
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Heulandite
Sgurr nam Boc, Isle of Skye, Scotland, UK
Crystals to 7 mm
Pink Heulandite crystals to 7mm; specimen is 48 x 26mm. Self-collected in 1992 from Sgurr nam Boc. |
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29861 Time(s) |
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Heulandite
Sgurr nam Boc, Isle of Skye, Scotland, UK
Field of view 4 cm across.
Crystals to 4 mm with thin platy stilbite crystals to 10 mm.
Pink Heulandite crystals to 4mm with thin platy stilbite crystals to 10mm. Field of view 4cm across. Self-collected in 1994 from Sgurr nam Boc. |
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29880 Time(s) |
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Heulandite + chabazite
Sgurr nam Boc, Isle of Skye, Scotland, UK
Specimen is 4 cm x 2 cm.
Heulandite crystals to 12mm on very small friable chabazite crystals.
Heulandite crystals to 12mm on very small friable chabazite crystals. Specimen is 4 cm x 2 cm. Self-collected in 2002 from Moonen Bay, Isle of Skye. |
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29833 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: May 18, 2013 05:18 Post subject: Re: Collection of Mike Wood |
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Now where was I ?
Oh yes; more heulandite from the Isle of Skye...
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Heulandite
Sgurr nam Boc, Isle of Skye, Scotland, UK
25 cm x 10 cm x7 cm
Very large specimen of pink heulandite crystals to 15mm, with a few white stilbite crystals to 20mm. A lucky find - only took me 30 minutes to extract it. Found by crawling under an enormous boulder; it was in another boulder below it. Spent three days breaking rock to find more cavities and only found one more - a smaller cavity - at the end of the third day !
Self-collected 2007 from Sgurr nam Boc. |
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27017 Time(s) |
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Heulandite
Sgurr nam Boc, Isle of Skye, Scotland, UK
16 cm x 12 cm x 8 cm
The largest heulandite crystal I have collected - it measures 80mm x 50mm. There are smaller heulandite crystals to 25mm and stilbite crystals to 25mm attached to the large crystal, all lustrous, resting on a bed of coloured chabazite crystals to 10mm, and a mesolite spray. The mineral combination appears to be unique to this boulder, near the south end of the beach.
The specimen is repaired - it split in half - right down the middle of the big crystal ! But no way was I going to leave it like that, so I glued the two halves back together. Sorry.
Self-collected 2006 from Sgurr nam Boc. |
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26987 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: May 18, 2013 05:31 Post subject: Re: Collection of Mike Wood |
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Sgurr nam Boc a few weeks ago
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Sgurr nam Boc, Isle of Skye, Scotland
View looking North from the beach at Sgurr nam Boc. The cliff is over 600 feet high ! (~200m).
Nice day for it !! |
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27002 Time(s) |
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