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The Mizunaka Collection
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Pierre Joubert




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PostPosted: Oct 03, 2014 02:57    Post subject: Re: The Mizunaka Collection  

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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am mizunaka




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PostPosted: Oct 04, 2014 16:48    Post subject: The Mizunaka Collection - quartz with inclusions  

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.


QtzMerlaniDet2.jpg
 Mineral: Quartz with inclusions
 Locality:
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
 Description:
Detail of inclusion.
 Viewed:  12830 Time(s)

QtzMerlaniDet2.jpg


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Pierre Joubert




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PostPosted: Oct 05, 2014 12:47    Post subject: Re: The Mizunaka Collection - quartz with inclusions  

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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am mizunaka




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PostPosted: Oct 06, 2014 17:41    Post subject: The Mizunaka Collection - fluorite  




SwissFluoriteQtz1.jpg
 Mineral: Fluorite, Quartz
 Locality:
Göscheneralp, Göschenen Valley, Uri, Switzerland
 Dimensions: 7.0 x 9.0 cm
 Description:
 Viewed:  12959 Time(s)

SwissFluoriteQtz1.jpg


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GneissWare




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PostPosted: Oct 06, 2014 20:49    Post subject: Re: The Mizunaka Collection - fluorite  

am mizunaka wrote:

Ooooow! Swiss Fluorite! A real beauty!!
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Don Lum




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PostPosted: Oct 06, 2014 21:08    Post subject: Re: The Mizunaka Collection  

Great specimen, Mike.
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am mizunaka




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PostPosted: Oct 06, 2014 22:43    Post subject: Re: The Mizunaka Collection  

Thanks Bob and Don. I think it's a keeper.
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am mizunaka




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PostPosted: Oct 07, 2014 20:33    Post subject: The Mizunaka Collection - microcline  




MicroclineQtzFluorite1.jpg
 Mineral: Microcline, Quartz, Fluorite
 Locality:
Hirukawa, Nakatsugawa, Gifu Prefecture, Chubu Region, Honshu Island, Japan
 Dimensions: 6.9 x 4.8 cm
 Description:
 Viewed:  12528 Time(s)

MicroclineQtzFluorite1.jpg



FluoriteDetail.jpg
 Mineral: Fluorite, Microcline
 Locality:
Hirukawa, Nakatsugawa, Gifu Prefecture, Chubu Region, Honshu Island, Japan
 Dimensions: Detail
 Description:
Fluorite detail on backside of specimen. Larger fluorite 3.4 mm wide.
 Viewed:  12501 Time(s)

FluoriteDetail.jpg


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Martin Rich




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PostPosted: Oct 07, 2014 22:01    Post subject: Re: The Mizunaka Collection  

Wow!
What a perfect Swiss Fluorite, very aesthetic.

Martin

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am mizunaka




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PostPosted: Oct 08, 2014 14:06    Post subject: Re: The Mizunaka Collection  

Thanks Martin
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am mizunaka




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PostPosted: Oct 08, 2014 21:01    Post subject: The Mizunaka Collection - quartz on fluorite  

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.


QtzCoatedFluorite2.jpg
 Mineral: Quartz, Fluorite
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China
 Dimensions: 5.4 x 5.2 cm
 Description:
 Viewed:  12308 Time(s)

QtzCoatedFluorite2.jpg



QtzCoatedFluorite1.jpg
 Mineral: Quartz, Fluorite
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China
 Dimensions: 5.4 x 5.2 cm
 Description:
Wider view.
 Viewed:  12179 Time(s)

QtzCoatedFluorite1.jpg


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PostPosted: Oct 19, 2014 00:48    Post subject: The Mizunaka Collection - grossular  




GrossularDiopside4.jpg
 Mineral: Grossular, Diopside
 Locality:
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Québec, Canada
 Dimensions: 2.6 x 2.3 x 1.6 cm
 Description:
 Viewed:  12012 Time(s)

GrossularDiopside4.jpg


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PostPosted: Oct 20, 2014 01:59    Post subject: The Mizunaka Collection - unusual quartz  




QtzHematiteFlat.jpg
 Mineral: Quartz, Hematite
 Locality:
Jinlong Hill, Longchuan, Heyuan Prefecture, Guangdong Province, China
 Dimensions: 8.1 x 3.5 x 7.0 cm
 Description:
 Viewed:  11942 Time(s)

QtzHematiteFlat.jpg



QtzHematiteFlatDet2.jpg
 Mineral: Quartz, Hematite
 Locality:
Jinlong Hill, Longchuan, Heyuan Prefecture, Guangdong Province, China
 Description:
Specimen detail.
 Viewed:  11921 Time(s)

QtzHematiteFlatDet2.jpg


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PostPosted: Oct 27, 2014 01:02    Post subject: The Mizunaka Collection - Baryte  

Cluster of sky blue Baryte with pyrite on fluorite.


BariteSpain.jpg
 Mineral: Barite, Pyrite, Fluorite
 Locality:
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Asturias, Principality of Asturias, Spain
 Dimensions: 8.1 x 5.1 cm
 Description:
 Viewed:  11920 Time(s)

BariteSpain.jpg


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PostPosted: Oct 29, 2014 22:39    Post subject: The Mizunaka Collection - quartz  




QtzCalHematite1.jpg
 Mineral: Quartz, Hematite, Calcite
 Locality:
Frizington, West Cumberland Iron Field, former Cumberland, Cumbria, England, United Kingdom
 Dimensions: 6.9 x 6.2 cm
 Description:
 Viewed:  11515 Time(s)

QtzCalHematite1.jpg


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PostPosted: Nov 04, 2014 17:44    Post subject: The Mizunaka Collection - quartz  




QuartzDT.jpg
 Mineral: Quartz
 Locality:
Jinkouhe District, Leshan Prefecture, Sichuan Province, China
 Dimensions: 5.8 x 3.7 cm
 Description:
 Viewed:  11263 Time(s)

QuartzDT.jpg


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PostPosted: Nov 05, 2014 23:12    Post subject: The Mizunaka Collection - Baryte  




BariteGeode.jpg
 Mineral: Barite
 Locality:
Tulare County, California, USA
 Dimensions: 6.4 x 5.5 cm
 Description:
 Viewed:  11160 Time(s)

BariteGeode.jpg


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PostPosted: Nov 06, 2014 03:36    Post subject: Re: The Mizunaka Collection  

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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PostPosted: Nov 06, 2014 09:47    Post subject: Re: The Mizunaka Collection  

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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PostPosted: Nov 06, 2014 10:10    Post subject: Re: The Mizunaka Collection  

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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