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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 09, 2013 10:17 Post subject: Re: Collection of Mike Wood |
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Here are two more large specimens of stilbite and pink chabazite
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Stilbite + Chabazite Moonen Bay, Isle of Skye, Scotland, UK 11cm x 10cm x 6cm high Dome of basalt matrix completely covered with pink chabazite and white stilbite crystals. The underside is fairly flat and more densely covered with 'stubby' stilbites. The larger stilbite crystal is 30mm long. Self-collected March 2013. |
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Stilbite + Chabazite Moonen Bay, Isle of Skye, Scotland,UK 11cm x 10cm x 6cm high Same specimen as above. There is a bit of contacting on top of the specimen. |
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Stilbite + Chabazite Moonen Bay, Isle of Skye, Scotland, UK 19cm x 12cm x 8cm Large specimen, mostly covered with 'stubby' stilbite crystals on this side. Self-collected March 2013. |
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Stilbite + Chabazite Moonen Bay, Isle of Skye, Scotland, UK 19cm x 12cm x 8cm The other side of the specimen showing the basalt matrix and areas of pink chabazite and scattered stilbite crystal groups. |
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Stilbite + Chabazite Moonen Bay, Isle of Skye, Scotland, UK FOV approx 5cm x 4cm Close up of the above large specimen. |
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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma



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Posted: Nov 09, 2013 12:00 Post subject: Re: Collection of Mike Wood |
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Mike, I really like these stilbite/chabazite combos.
Michael
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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 12, 2013 18:03 Post subject: Re: Collection of Mike Wood |
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Thank you Michael !
I had another trip to Skye in September this year, again in the company of Dave. Apophyllite was found at Moonen Bay to rival that found on my first visit there, in April 1994 !
Here are a few photo's of the new specimens...
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Apophyllite + Thomsonite Moonen Bay, Isle of Skye, Scotland, UK 9cm x 8cm x 5cm Undamaged cluster of transparent apophyllite crystals, to about 12mm, with 'feathery' white thomsonite. Most of the specimens came out small because the basalt rock here is very hard, and the cavity lining was very thin. Hours were spent chopping out rock from around the cavity but still ended up with small specimens. Collected 2013. |
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Apophyllite + Thomsonite Moonen Bay, Isle of Skye, Scotland, UK 9cm x 8cm x 5cm Same specimen as above. |
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Apophyllite + Thomsonite Moonen Bay, Isle of Skye, Scotland, UK 12mm crystals Close-up of the above specimen. Difficult to photograph unless the crystals are in profile. The terminations show pyramidal modification, but none that were found had actual pyramidal terminations. However, the terminations are so clear and mirror-like, it looks like they are pyramidal, because of the optical effect within the crystal. |
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Apophyllite + Thomsonite Moonen Bay, Isle of Skye, Scotland, UK Crystals 17mm + 22mm Nice pair of larger apophyllite crystals from the same cavity, on a thin slice of basalt matrix, with white thomsonite. A feature of these apophyllites is the smaller thin crystals penetrating the larger ones; very interesting when magnified. Collected 2013. |
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Apophyllite + Thomsonite Moonen Bay, Isle of Skye, Scotland, UK Crystals 17mm + 22mm Same specimen as above. 'Nuff said. |
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James Catmur
Site Admin

Joined: 14 Sep 2006
Posts: 1478
Location: Cambridge



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Posted: Nov 13, 2013 17:21 Post subject: Re: Collection of Mike Wood |
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Mike
It was great to see you at Bakewell. Keep adding photos please, as we all love to see your new finds and the wonders of Scotland - do feel free to add some photos to the Scotland page if you have time
https://www.mineral-forum.com/message-board/viewtopic.php?t=3142
James
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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 15, 2013 14:10 Post subject: Re: Collection of Mike Wood |
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Thanks James, it was a real pleasure to meet you also! I shall continue with the photo's...
Now here's something you don't see very often.. well, not around these parts anyway. However, I did have a good reason for wearing a full 4mm wetsuit and hood and mask and snorkel, even if it was in the middle of the forest ! Good job there was nobody around to see the spectacle - they would have thought I was nuts - and they wouldn't have been far wrong.
More to follow...
Mike
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Directly above the centre of the Earth Photo of me |
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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 15, 2013 17:04 Post subject: Re: Collection of Mike Wood |
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Ok here's the story...
About a year ago I was walking along a stream in the woods on the Isle of Skye, when I happened to see a shiny thing on a gravel bank at the edge of the water. I was only a couple of metres away from it and nearly didn't bother to pick it up because it looked just like a bit of crumpled aluminium foil. Something made me pick it up, I had a closer look and tested the weight of it in my hand; it seemed so insubstantial I nearly threw it back in the water. But it wasn't aluminium foil, it seemed kind of hard, so I put it in my pocket.
Later that day, near the edge of the woods I found a gold watch ! Well gold plated actually, and it was still working but the calendar date was about two weeks in the past. It was the type that doesn't have a self-adjusting calendar date so I worked out it must have been lost about two and a half years before I found it. The watch stopped working two weeks after I found it when the battery died - very spooky.
Later that day, back in my tent, I looked at the shiny thing I'd found in the stream with a loupe and to my amazement I could see crystals - typically like silver. Unable to wait until I got home where I could examine the thing with a microscope, I took a steel pin and gouged the back of it, quite easily, and was left in no doubt. I had found a silver nugget !
So there we have a remarkable co-incidence of silver and gold being found on the same day, in the same neck of the woods, by the same person. And that is why I went back there with a wetsuit, goggles and snorkel. And the reason I'm telling you this is because despite lying flat out in the stream for three hours I found nothing whatsoever !!
There We Are Then.
Mike ;-)
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A stream in the woods, somewhere on the Isle of Skye, Scotland. The stream/creek/small river I spent three hours lying face down in looking for silver nuggets... |
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Native silver Isle of Skye, Scotland 11mm across This is the silver nugget I found in the stream, the first time I was there. Actually I haven't had it tested yet, but it is so distinctive, it just has to be. Doesn't it? |
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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 24, 2013 18:31 Post subject: Re: Collection of Mike Wood |
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Back to hunting for smoky quartz, but in a different part of Scotland: The Cairngorm Mountains or Cairngorms. The highest mountain plateau in Scotland with a tundra-like appearance and weather to match the high latitudes, formed by the largest granite pluton in Scotland. Famed for the large 'Cairngorm' or 'Morion' crystals that have been found over the last two hundred years, most of which was turned into fashionable jewellery; but a few huge crystals survive to this day. The largest weighed over 50lb (~25kg), also large topaz and beryl crystals were discovered, but most of this happened in the 19th century and they are hard to find nowadays.
Since 1994 I have been on several expeditions to the Cairngorms, usually involving 3 or 4 days bivouac, or small tent if the weather is less than perfect. Though a lot is to be said for a one-day trip with a lighter rucksack. As the ground is pretty bare and stony in most places there is a lot of ground to look at - many crystals have been found just lying on the ground. In the summer there is a lot of daylight and much ground can be covered if you are very fit. Though of course the weather can turn suddenly and a lot of people have been caught out over the years and more than a few have died, even in summer when blizzards of snow can and do occur. And it's not a good place to get lost in the fog or get injured, especially on your own. Good navigational skills with map and compass are essential.
In my experience there isn't much to find, not where I've been looking anyway, but I'll post a few minerals I did find, as well as scenic landscape photo's to give an impression of what it's like.
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The Cairngorms in early June this year. Still quite a lot of the winter's snow about. On the plus side there were no midges. The mountain in the distance is called 'Cairngorm', after which the range of mountains is named. It's summit is 1244m, over 4,000 ft above sea level. Everywhere is granite. |
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This was my bed for the night before, on a mat in a bivi bag in a rocky niche. I was planning on sleeping on a nice grassy spot around the corner but the wind got up and it was cold, so I moved here for shelter. It was more comfortable than it looks! |
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But the night before that I slept here, on the grassy patch by the boulder. This was the next morning at 6am. Loch Avon reflecting perfectly the surrounding mountains. |
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Pierre Joubert
Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape



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Posted: Nov 25, 2013 03:06 Post subject: Re: Collection of Mike Wood |
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Fantastic Mike!!! That is life! Most of the excitement is the hope and expectancy to find something; add to that stunning nature. Thank you for sharing your experiences with us.
_________________ Pierre Joubert
'The tree of silence bears the fruit of peace. ' |
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vic rzonca

Joined: 18 Nov 2008
Posts: 820
Location: MA



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Posted: Nov 25, 2013 08:00 Post subject: Re: Collection of Mike Wood |
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Looks like a mighty lumpy pallet you set yourself down on. I see no rope or biners. Solo accent of one of the classics, Mike? Great post.
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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 25, 2013 18:38 Post subject: Re: Collection of Mike Wood |
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Thanks Pierre and Vic for your nice comments. I'm afraid to say I didn't solo any famous rock climbs though there are quite a few! The big cliff in the distance (2 miles/5km away) is Shelter Stone Crag and when you get up close it's scary. I've only done one roped climb around here, many years ago, on Hell's Lum Crag (far left of the first photo).
On this visit my main objective was to look for phenakite crystals on Ben Macdui, the UK's second highest mountain (4,300ft or 1,309m), where they have been recorded. In fact I found one crystal there in 2006 near some old diggings - it was a lucky find, in fact I thought it was just a nice albite crystal at the time, and it sat in a drawer for a few years until one day I had a closer look at it, tested the hardness (7.5 - 8), then showed it to a few knowledgeable folk. Haven't had it tested by xrd but it's habit and hardness are a giveaway - it looks rather like a misshapen 'nail-head' calcite crystal.
However, on this occasion there was snow lying over the area where the phenakite was found (as I concluded after wandering around for two hours), so the next day I left most of my stuff hidden in the rocks and went for an exploratory lightweight walk over the UK's third highest mountain - Braeriach (1296m) - which I hadn't ascended before.
The weather and scenery was incredible.
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Braeriach mountain on the other side of the Lairig Ghru (deep valley) which was filled with cloud. I had to descend 1000ft into the mist and up the far side, then do the same on the way back. |
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I had to carefully negotiate the huge snowdrift to begin the descent. A slip here would have been diastrous and I only had a hiking stick - should have had an ice-axe really. Fortunately the snow was slightly soft. If it had been rock-hard neve I wouldn't have attempted it. |
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A little over an hour later I was back in the sunshine on the other side of the valley. The mountain in the distance is Ben Macdui, which I traversed the day before in a fruitless search for phenakite. |
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The Angel's Peak across the cloud inversion. A flock of 24 geese flying southward, honking occasionally. |
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Summit of Braeriach (1296m) in top of huge south-facing cliffs, all granite. I spent a while searching with binoculars but failed to spot any pegmatite veins. Fortunately. |
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View from Braeriach looking south towards Cairn Toul and The Angel's Peak, both over 4,000ft. More granite to go and explore sometime... |
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I contented myself with wandering around this high plateau. It was desolate and beautiful, but no real signs of pegmatites. Quite often there are lots of white quartz pieces lying about, but it's the 'wrong kind of quartz', weathered out from hydrothermal veins, (not smoky quartz from pegmatites), and rarely contains euhedral crystals. |
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Not the 'Famous Grouse' - this is the infamous ptarmigan! Brown in summer and white in winter, this fine fellow appears to be in full breeding plumage. I think that's why he was standing his ground - you don't normally get this close to them, even with a zoom lens. |
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On my way back to my bivi place, crossing the Lairig Ghru for the second time. At least the cloud has gone, revealing a much greener vista, looking south down the valley where the river Dee flows. |
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Back up on the plateau again, heading towards where my gear is stashed. I know it's over there somewhere hidden in the rocks... Seriously though if it had become foggy I might never have found it. Good job it was a nice day. |
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The next morning I walked back to base where I'd left my car at the Cairngorm Ski Centre. The fog came back with a vengeance and the wind blew strong, but I spied out the route before the view was obscured and used a map and compass. After about an hour I came across a large familiar footpath which led me safely off the mountain. I decided to return when there was less snow, which I did six weeks later for one superb day in July. |
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Six weeks later and the scene is much less snowy. A one day lightweight trip to Ben Macdui. Suncream and sunhat essential. Extremely pleasant walking though, and miles can be covered at a fast pace. |
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Looking down towards the river Dee from near the top of Ben Macdui. The snow was gone, I found the place this time. Spent three hours crawling about examining the ground, looking for phenakite. Came back with one tiny piece which weighed about 2 grams, and it wasn't really good enough to be sure what it was! That was all I collected this day, apart from a 5cm strip of red skin where my shirt had ridden up my back from my shorts! Doh! |
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Ben Macdui without the snow. A green and pleasant land. |
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Phenakite Ben Macdui, Cairngorm Mountains, Grampian Region, Scotland, UK 15mm x 13mm x 7mm crystal This is what I was looking for; some more of these - which I found in 2006. It is a fair sized crystal sitting on a shard of smoky quartz. I'll post some more photo's of it in the next post. They are very hard to find, but it's fun trying to find them, if the weather is nice. |
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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 25, 2013 18:54 Post subject: Re: Collection of Mike Wood |
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Phenakite
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Phenakite Ben Macdui, Cairngorm Mountains, Grampian Region, Scotland, UK 15mm x 13mm x 7mm crystal Same phenakite crystal as per the last post. The crystal is sitting on a shard of smoky quartz and also a bit of mica. |
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Phenakite Ben Macdui, Cairngorm Mountains, Grampian Region, Scotland, UK 15mm x 13mm x 7mm crystal Same as above |
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Phenakite Ben Macdui, Cairngorm Mountains, Grampian Region, Scotland, UK 15mm x 13mm x 7mm crystal Same |
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Phenakite Ben Macdui, Cairngorm Mountains, Grampian Region, Scotland, UK 15mm x 13mm x 7mm crystal Same again |
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Phenakite Ben Macdui, Cairngorm Mountains, Grampian Region, Scotland, UK 15mm x 13mm x 7mm crystal And again. Apologies for the multiple photo's but it's the only specimen I have! Besides, there's a lot of little reflective faces to scrutinise. Looks very much like albite, but it scratches quartz - and quartz does not scratch it. |
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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 26, 2013 17:03 Post subject: Re: Collection of Mike Wood |
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Some minerals from the Cairngorm Mountains
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Smoky Quartz + Albite + Muscovite Mica Ben a' Bhuird, Cairngorm Mountains, Grampian Region, Scotland, UK 10cm x 9cm x 7cm Specimen of euhedral smoky quartz crystal 6cm tall on chunky white albite (feldspar), with a little muscovite? mica. The smoky quartz is coated with a second generation of quartz, giving it a rough and more opaque appearance. This unfortunately is typical of many smoky quartzes from the Cairngorms, though they are more gemmy inside. Found 2003 from some old diggings on the north side of this mountain. |
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Smoky Quartz + Albite + Muscovite Mica Ben a' Bhuird, Cairngorm Mountains, Grampian Region, Scotland, UK 60mm x 40mm x 35mm crystal Close-up of the above specimen. The smoky quartz crystal is quite a nice shape, just a bit opaque though. |
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Smoky Quartz Ben a' Bhuird, Cairngorm Mountains, Grampian Region, Scotland, UK 55mm x 35mm 25mm Small group of crystals with a little muscovite mica, from the same locality as the previous specimen. |
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Beryl (var aquamarine) Ben a' Bhuird, Cairngorm Mountains, Grampian Region, Scotland, UK 22mm x 14mm x 10mm A single heavily etched pale green crystal from the same locality as the above smoky quartz specimens. The beryls are very few and far between and nearly always very etched in appearance. Found 2002 on a seperate occasion. |
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The north summit of Ben a' Bhuird, just a little under 4,000ft above sea level, and a long walk from anywhere. This high-level plateau is further east than the highest mountains, posted earlier. Still part of the same granite pluton. Photo taken august 2011. |
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Looking east along the northern corries of Ben Avon, the partner mountain to Ben a' Bhuird. Not yet explored by myself. There's a lot of ground to cover, and it's very remote. August 2011. |
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The summit of Ben Avon, zoom photo from Ben a' Bhuird. Both of these mountains are huge and sprawling by UK standards. August 2011. |
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An interesting looking granite 'tor', as these rock formations are known; though the term is more usually known in the south-west of England. |
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The East side of Ben a' Bhuird is fringed with precipitous cliffs and corries, formed during the last ice-age, resulting in lots of exposed granite rock. There are not many pegmatites to see around here though, and what you find in exposures tend to be thin and stringy. |
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Wild camping by the Dubh Lochan ('Small Black Lake') at 3,000ft. A great place to stay and get away from 'civilisation' - I think that's what they call it. I saw some bipeds about a kilometre distant on one occasion, but apart from that I saw no-one for three days. |
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Maybe this is why it's called Dubh Lochan. On this reflective morning, and in the eerie stillness, the surface of the water seemed to turn into a Black Hole. |
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GneissWare

Joined: 07 Mar 2008
Posts: 1287
Location: California



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Posted: Nov 26, 2013 17:23 Post subject: Re: Collection of Mike Wood |
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As always, fabulous landscape photos. What a beautiful place.
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Mike Wood

Joined: 16 Dec 2010
Posts: 456
Location: Northern England



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Posted: Nov 26, 2013 17:55 Post subject: Re: Collection of Mike Wood |
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Some minerals from Ben a' Bhuird, Cairngorm Mountains.
Thanks Bob, it is my favourite escape place. As far as minerals go it's a lot harder to deal with than say, the Isle of Arran, because it's a much bigger area. But the remoteness has it's own unique appeal, and in my view it is the finest range of mountains in Scotland, so it doesn't matter much if I don't find much in the way of minerals. Just being there is inspiration in itself.
Cheers, Mike
Description: |
Smoky Quartz + Microcline Ben a' Bhuird, Cairngorm Mountains, Grampian Region, Scotland, UK 40mm x 35mm x 40mm high Small specimen found in a granite boulder, still with lichen attached. The smoky quartz is quite transparent for a change. |
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Smoky Quartz + Microcline Ben a' Bhuird, Cairngorm Mountains, Grampian Region, Scotland, UK 2cm crystal Close-up of the above specimen. |
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Smoky Quartz Ben a' Bhuird, Cairngorm Mountains, Grampian Region, Scotland, UK 55mm x 24mm x 20mm Nice single crystal with good termination and a little bit of microcline included. My best specimen of smoky quartz from the Cairngorms. Doesn't really compare with the ones from Arran. Collected from an in-situ pegmatite pocket 10m up a steep cliff-face. I traversed from the side to get to it, and plucked it from it's resting place. |
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Smoky Quartz Ben a' Bhuird, Cairngorm Mountains, Grampian Region, Scotland, UK 55mm x 24mm x 20mm crystal Close-up of the above specimen. |
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Typical thin 'pegmatite' vein in the granite of Ben a' Bhuird. |
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View looking south from the eastern cliffs of Ben a' Bhuird, towards where I left my car, about 10 miles (16km) distant. It was still there when I got back a few days later. |
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Don Lum

Joined: 03 Sep 2012
Posts: 2919
Location: Arkansas



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Posted: Nov 26, 2013 20:13 Post subject: Re: Collection of Mike Wood |
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Mike Wood wrote: | Some minerals from the Cairngorm Mountains |
Mike , what a great picture. This picture, 097.jpg, ( https://www.mineral-forum.com/message-board/files/ben_a_bhuird_097_949.jpg ) belongs in a gallery or National Geographic (or even FMF).
What kind of twinning does this show? ;-)
Don
_________________ hogwild |
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