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12 Apr-17:45:12 The mizunaka collection - quartz with rhodochrosite (Am Mizunaka)
12 Apr-16:50:17 Re: rescuing massive 13 lb tremolite/actinolite (Alfredo)
12 Apr-14:08:39 Sainte-marie-aux-mines 2021 cancelled - the official statement (Jordi Fabre)
12 Apr-13:56:03 Re: collection of tobi (Jose Luis Jara Jara)
12 Apr-13:39:18 Sainte-marie-aux-mines 2021 cancelled (Jordi Fabre)
12 Apr-12:53:16 Re: jim’s mineral collection (James Catmur)
12 Apr-12:52:39 Rescuing massive 13 lb tremolite/actinolite (Charly H)
12 Apr-12:49:32 Re: collection of tobi (Carles Millan)
12 Apr-12:10:53 Re: collection of tobi (Tobi)
12 Apr-11:08:18 Re: synthetic smoky quartz? (Amir Akhavan)
12 Apr-11:00:10 Re: new generation for picture - ploum (Ploum)
12 Apr-08:28:37 Re: collection of firmo espinar (Firmo Espinar)
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The Mizunaka Collection
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am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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!

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

2639 Time(s)

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

2507 Time(s)

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

2367 Time(s)

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

2274 Time(s)

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

2198 Time(s)

Bob Morgan

Joined: 18 Jan 2018
Posts: 129
Location: Savannah, Georgia

Posted: 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?

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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.

Bob Morgan

Joined: 18 Jan 2018
Posts: 129
Location: Savannah, Georgia

Posted: Jan 28, 2021 17:41 Post subject: Re: The Mizunaka Collection

Thanks

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

2041 Time(s)

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

1925 Time(s)

GoldRMBot.jpg

Mineral:

Gold

Locality:

Round Mountain Mine, Round Mountain, Round Mountain District, Nye County, Nevada, USA

Description:

Bottom of the specimen.

Viewed:

1928 Time(s)

Tobi

Joined: 07 Apr 2009
Posts: 3557
Location: Good Old Germany

Posted: 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!

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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.

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

1738 Time(s)

Sante Celiberti

Joined: 04 Oct 2019
Posts: 479
Location: Tuscany

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

Outstanding color for a possible faden quartz! :-)

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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.

Sante Celiberti

Joined: 04 Oct 2019
Posts: 479
Location: Tuscany

Posted: 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

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

1508 Time(s)

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

1329 Time(s)

am mizunaka

Joined: 09 Apr 2010
Posts: 1516
Location: California

Posted: 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:

1237 Time(s)

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