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Pierre Joubert
Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape
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 Posted: Oct 03, 2014 02:57 Post subject: Re: The Mizunaka Collection |
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Hi Am. Thank you for showing your beautiful specimens. I find this specimen (QtzTanDetail.jpg) very interesting. See the 3 small triangles are in line with the inclusion. I presume that the 3 triangles are of the quartz. How deep is the included mineral beneath the surface? Is it possible to post a close up of this?
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Pierre Joubert
'The tree of silence bears the fruit of peace. ' |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 04, 2014 16:48 Post subject: The Mizunaka Collection - quartz with inclusions |
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Pierre - Here is a close up of that section of the crystal. This particular inclusion is very near the surface. It looks like it is no more that 1 mm from the surface.
| Mineral: | Quartz with inclusions |
| Locality: | | Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania |  |
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Pierre Joubert
Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape
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| Posted: Oct 05, 2014 12:47 Post subject: Re: The Mizunaka Collection - quartz with inclusions |
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| am mizunaka wrote: | | Pierre - Here is a close up of that section of the crystal. This particular inclusion is very near the surface. It looks like it is no more that 1 mm from the surface. |
Hi Am. Thank you for posting the photo. I am particularly interested in why the triangles are in line with the included mineral. Regards.
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Pierre Joubert
'The tree of silence bears the fruit of peace. ' |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 06, 2014 17:41 Post subject: The Mizunaka Collection - fluorite |
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| Mineral: | Fluorite, Quartz |
| Locality: | | Göscheneralp, Göschenen Valley, Göschenen, Uri, Switzerland | |
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| Dimensions: | 7.0 x 9.0 cm |
| Description: |
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23516 Time(s) |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Oct 06, 2014 20:49 Post subject: Re: The Mizunaka Collection - fluorite |
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Ooooow! Swiss Fluorite! A real beauty!!
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Don Lum
Joined: 03 Sep 2012
Posts: 2434
Location: Arkansas
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| Posted: Oct 06, 2014 21:08 Post subject: Re: The Mizunaka Collection |
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Great specimen, Mike.
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hogwild |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 06, 2014 22:43 Post subject: Re: The Mizunaka Collection |
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| Thanks Bob and Don. I think it's a keeper.
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 07, 2014 20:33 Post subject: The Mizunaka Collection - microcline |
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| Mineral: | Microcline, Quartz, Fluorite |
| Locality: | | , Hirukawa, Nakatsugawa City, Gifu Prefecture, Chubu Region, Honshu Island, Japan | |
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| Dimensions: | 6.9 x 4.8 cm |
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22958 Time(s) |
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| Mineral: | Fluorite, Microcline |
| Locality: | | , Hirukawa, Nakatsugawa City, Gifu Prefecture, Chubu Region, Honshu Island, Japan | |
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| Dimensions: | Detail |
| Description: |
| Fluorite detail on backside of specimen. Larger fluorite 3.4 mm wide. |
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22885 Time(s) |
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Martin Rich
Joined: 15 Aug 2013
Posts: 127
Location: Lower Austria
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| Posted: Oct 07, 2014 22:01 Post subject: Re: The Mizunaka Collection |
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Wow!
What a perfect Swiss Fluorite, very aesthetic.
Martin
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 08, 2014 14:06 Post subject: Re: The Mizunaka Collection |
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| Thanks Martin
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 08, 2014 21:01 Post subject: The Mizunaka Collection - quartz on fluorite |
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Impossible to tell from the photographs. Quartz completely covering fluorite. There are only a few very tiny openings where one can see the underlying fluorite. A couple of spots seem to have small lollingite crystals present.
| Mineral: | Quartz, Fluorite |
| Locality: | | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China | |
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| Dimensions: | 5.4 x 5.2 cm |
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22780 Time(s) |
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| Mineral: | Quartz, Fluorite |
| Locality: | | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China | |
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| Dimensions: | 5.4 x 5.2 cm |
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22542 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 19, 2014 00:48 Post subject: The Mizunaka Collection - grossular |
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| Mineral: | Grossular, Diopside |
| Locality: | | Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Québec, Canada | |
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| Dimensions: | 2.6 x 2.3 x 1.6 cm |
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19072 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 20, 2014 01:59 Post subject: The Mizunaka Collection - unusual quartz |
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| Mineral: | Quartz, Hematite |
| Locality: | | Jinlong Hill, Longchuan, Heyuan Prefecture, Guangdong Province, China | |
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| Dimensions: | 8.1 x 3.5 x 7.0 cm |
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| Viewed: |
19312 Time(s) |
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| Mineral: | Quartz, Hematite |
| Locality: | | Jinlong Hill, Longchuan, Heyuan Prefecture, Guangdong Province, China | |
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19440 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 27, 2014 01:02 Post subject: The Mizunaka Collection - Baryte |
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Cluster of sky blue Baryte with pyrite on fluorite.
| Mineral: | Barite, Pyrite, Fluorite |
| Locality: | | Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Asturias, Principality of Asturias, Spain | |
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| Dimensions: | 8.1 x 5.1 cm |
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19530 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Oct 29, 2014 22:39 Post subject: The Mizunaka Collection - quartz |
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| Mineral: | Quartz, Hematite, Calcite |
| Locality: | | Frizington, West Cumberland Iron Field, former Cumberland, Cumbria, England / United Kingdom | |
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| Dimensions: | 6.9 x 6.2 cm |
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18988 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Nov 04, 2014 17:44 Post subject: The Mizunaka Collection - quartz |
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| Mineral: | Quartz |
| Locality: | | Jinkouhe District, Leshan Prefecture, Sichuan Province, China | |
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| Dimensions: | 5.8 x 3.7 cm |
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| Viewed: |
18631 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 1543
Location: California
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| Posted: Nov 05, 2014 23:12 Post subject: The Mizunaka Collection - Baryte |
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| Mineral: | Barite |
| Locality: | | Tulare County, California, USA | |
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| Dimensions: | 6.4 x 5.5 cm |
| Description: |
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| Viewed: |
18573 Time(s) |
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Pierre Joubert
Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape
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| Posted: Nov 06, 2014 03:36 Post subject: Re: The Mizunaka Collection |
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Hi Am, I find this specimen (QtzCalHematite1.jpg) very special. Excuse my ignorance but is the red the calcite? Can you publish a close up of the red crystals? Best regards.
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Pierre Joubert
'The tree of silence bears the fruit of peace. ' |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1650
Location: Oklahoma
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| Posted: Nov 06, 2014 09:47 Post subject: Re: The Mizunaka Collection |
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| Pierre Joubert wrote: | | Hi Am, I find this specimen (QtzCalHematite1.jpg) very special. Excuse my ignorance but is the red the calcite? Can you publish a close up of the red crystals? Best regards. |
Pierre,
I agree - this is a neat piece. The red crystals are quartz included with hematite. The calcites are small clear crystals scattered about the surface.
Michael
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Pierre Joubert
Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape
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| Posted: Nov 06, 2014 10:10 Post subject: Re: The Mizunaka Collection |
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| crosstimber wrote: | | Pierre Joubert wrote: | | Hi Am, I find this specimen (QtzCalHematite1.jpg) very special. Excuse my ignorance but is the red the calcite? Can you publish a close up of the red crystals? Best regards. |
Pierre,
I agree - this is a neat piece. The red crystals are quartz included with hematite. The calcites are small clear crystals scattered about the surface.
Michael |
Hi Michael. Thank you. Very impressive for a UK specimen (for that matter, anywhere).
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Pierre Joubert
'The tree of silence bears the fruit of peace. ' |
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