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19 Jan-19:59:52 Re: don lum collection (Don Lum)
19 Jan-18:16:47 Re: don lum collection (Silvia)
19 Jan-18:12:54 Re: collection of firmo espinar (Firmo Espinar)
19 Jan-17:32:32 Re: collection of sante celiberti (Sante Celiberti)
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18 Jan-18:36:38 The mizunaka collection - smoky quartz (Am Mizunaka)
18 Jan-17:35:15 Re: don lum collection (Don Lum)
18 Jan-11:27:14 Re: collection of ras (Robert Seitz)
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17 Jan-22:53:41 Re: silvia's collection (Silvia)
17 Jan-22:42:23 The mizunaka collection - quartz (Am Mizunaka)
17 Jan-12:30:52 Re: collection of ras (Robert Seitz)
17 Jan-05:34:24 Re: collection of firmo espinar (Tobi)
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17 Jan-03:52:12 Re: tucson shows 2022 (Tobi)
16 Jan-08:33:31 Re: apophyllite from brazil - a new find from 2021? (Gagat Minerals)
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15 Jan-22:23:43 Re: apophyllite from brazil - a new find from 2021? (Alfredo)

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The Mizunaka Collection
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Sante Celiberti




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PostPosted: Jan 08, 2022 05:09    Post subject: Re: The Mizunaka Collection  

Fantastic preferential zoning! ;-)
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am mizunaka




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PostPosted: Jan 08, 2022 18:47    Post subject: Re: The Mizunaka Collection  

Sante Celiberti wrote:
Fantastic preferential zoning! ;-)


Thanks Sante!
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am mizunaka




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PostPosted: Jan 09, 2022 18:58    Post subject: The Mizunaka Collection - Quartz Scepter  




BlkScepterQtzTM.jpg
 Mineral: Quartz, Calcite, Dolomite
 Locality:
Treasure Mountain Diamond Mine, Little Falls, Herkimer County, New York, USA
 Dimensions: 5.2 x 3.6 cm
 Description:
Black stem quartz scepter on matrix with etched calcite and dolomite.
 Viewed:  812 Time(s)

BlkScepterQtzTM.jpg


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am mizunaka




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PostPosted: Jan 11, 2022 17:16    Post subject: The Mizunaka Collection - Fluorite  




FluoriteQtz1.jpg
 Mineral: Fluorite, Quartz
 Locality:
Chenzhou Prefecture, Hunan Province, China
 Dimensions: 3.7 x 1.2 cm
 Description:
Fluorite on a matrix covered by tiny included quartz crystals. There is an "invisible" fluorite immediately to the right of the large crystal.
 Viewed:  719 Time(s)

FluoriteQtz1.jpg


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James Catmur
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PostPosted: Jan 12, 2022 13:05    Post subject: Re: The Mizunaka Collection - Fluorite  

It really is almost invisible
am mizunaka wrote:
invisible crystal to the right
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am mizunaka




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PostPosted: Jan 12, 2022 16:51    Post subject: Re: The Mizunaka Collection - Fluorite  

James Catmur wrote:
It really is almost invisible
am mizunaka wrote:
invisible crystal to the right


There is also another one to the left of the small "invisible" crystal. It is a shorter but wider crystal.
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am mizunaka




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PostPosted: Jan 13, 2022 02:31    Post subject: The Mizunaka Collection - Quartz  




QtzDolChalc.jpg
 Mineral: Quartz, Dolomite, Chalcopyrite
 Locality:
Aughamore Quarry, Aughamore, County Sligo, Connacht, Ireland
 Dimensions: 13.2 x 9.5 cm
 Description:
Label indicates that is quartz after coral pseudomorph. Very unusual.
 Viewed:  572 Time(s)

QtzDolChalc.jpg



QtzDolChalcDet.jpg
 Mineral: Quartz, Dolomite, Chalcopyrite
 Locality:
Aughamore Quarry, Aughamore, County Sligo, Connacht, Ireland
 Description:
Detail of specimen.
 Viewed:  571 Time(s)

QtzDolChalcDet.jpg


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James Catmur
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PostPosted: Jan 13, 2022 04:55    Post subject: Re: The Mizunaka Collection - Quartz  

Could be an epimorph I guess? - I have one from Castleton, Derbyshire which is a fluorite epimorph of a coral fossil

People do seem to mix the two terms (epi and pseudo) up

am mizunaka wrote:
Label indicates that is quartz after coral pseudomorph. Very unusual
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am mizunaka




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PostPosted: Jan 13, 2022 15:31    Post subject: Re: The Mizunaka Collection - Quartz  

James Catmur wrote:
Could be an epimorph I guess? - I have one from Castleton, Derbyshire which is a fluorite epimorph of a coral fossil

People do seem to mix the two terms (epi and pseudo) up

am mizunaka wrote:
Label indicates that is quartz after coral pseudomorph. Very unusual


This is true. Mindat has a lengthy thread discussing this issue.
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am mizunaka




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PostPosted: Jan 15, 2022 22:19    Post subject: The Mizunaka Collection - Thin Quartz  




QtzThin.jpg
 Mineral: Quartz, Calcite, Muscovite
 Locality:
Rist Mine, Hiddenite, Alexander County, North Carolina, USA
 Dimensions: 7.5 x 4.3 cm
 Description:
Flat quartz crystal 2.8 mm thick with calcite and muscovite.
 Viewed:  358 Time(s)

QtzThin.jpg


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am mizunaka




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PostPosted: Jan 17, 2022 22:42    Post subject: The Mizunaka Collection - Quartz  




QtzTahoe.jpg
 Mineral: Quartz (variety amethyst), Quartz
 Locality:
South Lake Tahoe, El Dorado Co., California, USA
 Dimensions: 7.8 x 4.9 cm
 Description:
Double terminated crystal split between amethyst and quartz.
 Viewed:  185 Time(s)

QtzTahoe.jpg


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am mizunaka




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PostPosted: Jan 18, 2022 18:36    Post subject: The Mizunaka Collection - Smoky Quartz  




SmkQtzGwinSwiss1.jpg
 Mineral: Quartz (variety smoky quartz)
 Locality:
Galenstock Mountain, Tiefenbach, Urseren, Uri, Switzerland
 Dimensions: 9.9 x 7.4 cm
 Description:
Not apparent in the photo but the large middle crystal at the top is a gwindel with a very slight twist.
 Viewed:  122 Time(s)

SmkQtzGwinSwiss1.jpg


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