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27 Feb-11:42:17 Re: sometimes fluorescent (Steveb)
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26 Feb-16:47:39 Re: collection of sante celiberti (Sante Celiberti)
26 Feb-14:07:46 Re: collection of michael shaw (Michael Shaw)
26 Feb-14:07:45 The mizunaka collection - beryl (Am Mizunaka)
26 Feb-10:01:34 Re: collection of jean suffert (Jean Suffert)
26 Feb-08:54:26 Re: the mineral collecting history of the 79 mine, gila county, arizona, usa - (33) (Tony L. Potucek)
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25 Feb-18:00:24 Popular minerals - octahedral fluorite from shangbao mine, china (Jordi Fabre)
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25 Feb-13:28:25 Re: mineral talks live (Bluecapproductions)
25 Feb-05:10:15 Re: the mineral collecting history of the 79 mine, gila county, arizona, usa - (33) (Jonesey)
24 Feb-20:22:43 The mizunaka collection - smoky quartz (Am Mizunaka)
24 Feb-16:38:41 Re: collection of firmo espinar (Firmo Espinar)
24 Feb-15:07:07 Re: collection of sante celiberti (Sante Celiberti)
24 Feb-11:36:48 Re: collection of sante celiberti (James Catmur)
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24 Feb-06:22:02 Re: collection of sante celiberti (Sante Celiberti)
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The Mizunaka Collection
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am mizunaka




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PostPosted: Jan 20, 2021 03:40    Post subject: Re: The Mizunaka Collection  

Jim Wilkinson wrote:
This is one of most elegant examples of Wise fluorites I've seen. Thanks for sharing it!


Thanks Jim!
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am mizunaka




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PostPosted: Jan 20, 2021 03:43    Post subject: The Mizunaka Collection - Quartz  




QuartzLG.jpg
 Mineral: Quartz (variety amethyst)
 Locality:
Little Giant Basin, Silverton, Animas District, San Juan County, Colorado, USA
 Dimensions: 7.2 x 6.3 cm
 Description:
 Viewed:  1945 Time(s)

QuartzLG.jpg


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am mizunaka




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PostPosted: Jan 22, 2021 01:12    Post subject: The Mizunaka Collection - Quartz  




AmeBol.jpg
 Mineral: Quartz (variety ametrine)
 Locality:
Anahi Mine, La Gaiba District, Sandoval Province, Santa Cruz Department, Bolivia
 Dimensions: 9.6 x 5.9 cm
 Description:
Double terminated crystal with purple and yellow hues.
 Viewed:  1815 Time(s)

AmeBol.jpg


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am mizunaka




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PostPosted: Jan 25, 2021 04:13    Post subject: Re: The Mizunaka Collection - Quartz  

Quartz


QtzLG.jpg
 Mineral: Quartz (variety amethyst), Quartz (variety smoky)
 Locality:
Little Gem Mine, Boulder Batholith, Jefferson County, Montana, USA
 Dimensions: 8.8 x 3.3 cm
 Description:
 Viewed:  1672 Time(s)

QtzLG.jpg


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am mizunaka




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PostPosted: Jan 27, 2021 03:23    Post subject: The Mizunaka Collection - Quartz  




SmkQtzAd.jpg
 Mineral: Quartz (variety smoky quartz), Feldspar, Chlorite
 Locality:
Hospental, Urseren, Uri, Hospental, Urseren, Uri, Switzerland
 Dimensions: 6.9 x 4.2 cm
 Description:
Glassy smoky quartz on feldspar that has a dusting of chlorite.
 Viewed:  1577 Time(s)

SmkQtzAd.jpg


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am mizunaka




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PostPosted: Jan 28, 2021 01:48    Post subject: The Mizunaka Collection - Beryl  




BerylAus.jpg
 Mineral: Beryl (variety emerald)
 Locality:
Leckbachgraben, Nasenkopf Mountain, Bramberg am Wildkogel, Zell am See District, Hohe Tauern, Salzburg, Austria
 Dimensions: 9.0 x 5.5 cm
 Description:
 Viewed:  1503 Time(s)

BerylAus.jpg


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Bob Morgan




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PostPosted: Jan 28, 2021 08:41    Post subject: Re: The Mizunaka Collection  

It appears that there are different surfaces on alternate termination rhombohedral faces. Perhaps a selective deposition of chlorite on alternate faces. That would be a rarity. Is that the case?
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am mizunaka




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PostPosted: Jan 28, 2021 17:39    Post subject: Re: The Mizunaka Collection  

Bob Morgan wrote:
It appears that there are different surfaces on alternate termination rhombohedral faces. Perhaps a selective deposition of chlorite on alternate faces. That would be a rarity. Is that the case?


There are some faces that have very very little deposition of chlorite but the entire termination is covered.
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PostPosted: Jan 28, 2021 17:41    Post subject: Re: The Mizunaka Collection  

Thanks
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PostPosted: Jan 29, 2021 01:45    Post subject: The Mizunaka Collection - Rhodochrosite  




RhodoPyrJpn.jpg
 Mineral: Rhodochrosite, Pyrite
 Locality:
Oppu Mine, Nishimeya-mura, Naka-Tsugaru-gun, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
 Dimensions: 8.7 x 7.5 cm
 Description:
 Viewed:  1346 Time(s)

RhodoPyrJpn.jpg


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PostPosted: Feb 01, 2021 23:46    Post subject: The Mizunaka Collection - Gold  

One of the few pieces that can be attributed to a specific vein (Mariposa Kean) at the locality. This was conveyed to me from the dealer.


GoldRMWire1.jpg
 Mineral: Gold
 Locality:
Round Mountain Mine, Round Mountain, Round Mountain District, Nye County, Nevada, USA
 Dimensions: 2.7 x 2.1 cm
 Description:
The wire is approximately 3.5 cm long.
 Viewed:  1230 Time(s)

GoldRMWire1.jpg



GoldRMBot.jpg
 Mineral: Gold
 Locality:
Round Mountain Mine, Round Mountain, Round Mountain District, Nye County, Nevada, USA
 Description:
Bottom of the specimen.
 Viewed:  1232 Time(s)

GoldRMBot.jpg


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Tobi




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PostPosted: Feb 04, 2021 03:10    Post subject: Re: The Mizunaka Collection  

Very unusual and interesting gold specimen, is this a pseudomorph?

And again a beautiful Oppu Mine rhodo - I love it!
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am mizunaka




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PostPosted: Feb 04, 2021 04:14    Post subject: Re: The Mizunaka Collection  

Tobi wrote:
Very unusual and interesting gold specimen, is this a pseudomorph?

And again a beautiful Oppu Mine rhodo - I love it!


Thanks Tobi!

The gold isn't a pseudomorph. I don't think that it is a true gold wire, but a series of stacked crystals forming a column that bends around the matrix.
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PostPosted: Feb 04, 2021 04:20    Post subject: The Mizunaka Collection - Quartz  




BlueQtz.jpg
 Mineral: Quartz
 Locality:
Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan
 Dimensions: 4.5 x 3.2 cm
 Description:
Inclusions of either riebeckite or tourmaline coloring the quartz blue. A complete floater.
 Viewed:  1043 Time(s)

BlueQtz.jpg


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Sante Celiberti




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PostPosted: Feb 04, 2021 07:00    Post subject: Re: The Mizunaka Collection  

Outstanding color for a possible faden quartz! :-)
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am mizunaka




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PostPosted: Feb 04, 2021 15:06    Post subject: Re: The Mizunaka Collection  

Sante Celiberti wrote:
Outstanding color for a possible faden quartz! :-)


Thanks Sante!
The coloring does obscure any possible faden line.
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Sante Celiberti




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PostPosted: Feb 04, 2021 15:58    Post subject: Re: The Mizunaka Collection  

am mizunaka wrote:
Sante Celiberti wrote:
Outstanding color for a possible faden quartz! :-)


Thanks Sante!
The coloring does obscure any possible faden line.


Hi, Am.

Unfortunately, I know the problem. I've a similar specimen from the same locality with chlorite inclusions, where you can barely recognize the string.
However, in your wonderful specimen the unmistakable shape is very indicative.
Warm greetings.
Sante
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PostPosted: Feb 05, 2021 12:57    Post subject: The Mizunaka Collection - Elbaite  




ElbTC.jpg
 Mineral: Elbaite
 Locality:
Terra Corrida claim (Baixão claim), Coronel Murta, Jequitinhonha, Minas Gerais, Brazil
 Dimensions: 8.3 x 3.3 cm
 Description:
 Viewed:  813 Time(s)

ElbTC.jpg


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PostPosted: Feb 07, 2021 02:49    Post subject: The Mizunaka Collection - Barite  




BariteDR.jpg
 Mineral: Barite, Malachite
 Locality:
Shangulowé Mine, Kambove District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
 Dimensions: 5.7 x 3.7 cm
 Description:
Barite included with malachite.
 Viewed:  634 Time(s)

BariteDR.jpg


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PostPosted: Feb 08, 2021 00:25    Post subject: The Mizunaka Collection - Fluorite  




FluoriteSphalPyr.jpg
 Mineral: Fluorite, Sphalerite, Pyrite
 Locality:
Bismarck Mine, Municipio de Ascención, Chihuahua, Mexico
 Dimensions: 7.0 x 5.4 cm
 Description:
 Viewed:  544 Time(s)

FluoriteSphalPyr.jpg


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