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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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 Posted: May 04, 2014 23:50 Post subject: Re: The Mizunaka Collection |
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| Jim, I took a needle to a small clear crystal on the backside and it did not scratch it.
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 07, 2014 04:16 Post subject: Re: The Mizunaka Collection |
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The quartz with rutile is from a small find found in 2001/2002 near the Rist Mine in Hiddenite, North Carolina. The smoky quartz is very glassy and has distinct zoning that is not clearly visible in the photograph. The red arrow marks a movable bubble.
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Quartz, Rutile
Hiddenite, Alexander Co., North Carolina, USA
3.9 x 2.8 cm |
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44120 Time(s) |
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Quartz, Rutile
Hiddenite, Alexander Co., North Carolina, USA
Back Side |
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43900 Time(s) |
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| Description: |
Quartz (var Smoky Quartz)
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
6.5 x 3.8 cm |
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43945 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 08, 2014 19:11 Post subject: Re: The Mizunaka Collection |
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Baryte
Jebel Ouichane, Beni Bou Ifrour, Nador, Nador Province, Oriental Region, Morocco
7.8 x 7.0 cm |
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44069 Time(s) |
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Baryte
Jebel Ouichane, Beni Bou Ifrour, Nador, Nador Province, Oriental Region, Morocco
7.8 x 7.0 cm |
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44160 Time(s) |
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Silver
Kongsberg, Buskerud, Norway
3.5 x 4.5 cm |
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44300 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: May 09, 2014 14:30 Post subject: Re: The Mizunaka Collection |
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Lovely quartzes from Rist Mine, Mike. The blue Baryte specimen from Morrocco looks mouthwateringly good, and excellent contrast with the matrix!
Thanks, Mike
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 10, 2014 01:39 Post subject: Re: The Mizunaka Collection |
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Thanks Mike. I really like the Baryte specimen too and I think the quartz pieces are a little different than the usual for that locality.
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Baryte, Quartz
Jinkouhe District, Leshan Prefecture, Sichuan Province, China
9.7 x 8.3 cm |
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44046 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: May 10, 2014 02:30 Post subject: Re: The Mizunaka Collection |
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| am mizunaka wrote: | Baryte, Quartz
Jinkouhe District, Leshan Prefecture, Sichuan Province, China
9.7 x 8.3 cm |
Are there two generations of Baryte? Looks like some are honey-coloured and some white with some coating ...
Cheers!
Tobi
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 10, 2014 17:38 Post subject: Re: The Mizunaka Collection |
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| Tobi, I think that the white coating is a fine layer of quartz.
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: May 11, 2014 01:22 Post subject: Re: The Mizunaka Collection |
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| am mizunaka wrote: | | Tobi, I think that the white coating is a fine layer of quartz. |
OK, and the yellow Barytes? Uncoated several crystals or just uncoated parts of the same Baryte crystals? Just wanted to know if there are two generations or not ;)
Tobi
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Roger Warin
Joined: 23 Jan 2013
Posts: 1240
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| Posted: May 11, 2014 16:23 Post subject: Re: The Mizunaka Collection |
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Delicate pictures for these Barytes.
Bravo.
Roger.
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 11, 2014 23:16 Post subject: Re: The Mizunaka Collection |
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Tobi - I would say that the Barytes are a single generation with the possible exception being the largest visible Baryte crystal.
Thanks Roger. This was one of the few pieces I have run across with no damage.
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Fluorite, Quartz
Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
5.0 x 2.9 cm |
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| Viewed: |
43376 Time(s) |
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| Description: |
Fluorite, Quartz
Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
5.0 x 2.9 cm |
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43353 Time(s) |
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| Description: |
Acanthite
Proano Mine, Mun. de Fresnillo, Zacatecas, Mexico
4.4 x 2.2 cm |
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43736 Time(s) |
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| Description: |
Acanthite
Proano Mine, Mun. de Fresnillo, Zacatecas, Mexico
Back Side |
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| Viewed: |
43375 Time(s) |
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| Description: |
Acanthite
Fresnillo Mine, Mun. de Fresnillo, Zacatecas, Mexico
2.7 x 1.9 cm |
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| Viewed: |
43733 Time(s) |
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| Description: |
Acanthite
Fresnillo Mine, Mun. de Fresnillo, Zacatecas, Mexico
Back Side |
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43790 Time(s) |
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| Description: |
Acanthite
Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
4.1 x 1.8 cm |
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| Viewed: |
43774 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 12, 2014 23:25 Post subject: Re: The Mizunaka Collection |
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| Description: |
Epidote, Quartz
Pisco Province, Ica Department, Peru
6.5 x 1.1 cm |
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| Viewed: |
42774 Time(s) |
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| Description: |
Quartz
Santander Department, Colombia
11.4 x 5.7 cm |
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| Viewed: |
42826 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 14, 2014 02:04 Post subject: Re: The Mizunaka Collection |
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| Description: |
Fluorite, Quartz
Dayu Co., Ganzhou Prefecture, Jiangxi Province, China
5.4 x 3.9 x 3.2 cm |
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| Viewed: |
42735 Time(s) |
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| Description: |
Fluorite, Quartz
Dayu Co., Ganzhou Prefecture, Jiangxi Province, China
5.4 x 3.9 x 3.2 cm |
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| Viewed: |
43120 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 14, 2014 22:44 Post subject: Re: The Mizunaka Collection |
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| Description: |
Quartz, Muscovite (var fuchsite)
Cerro Quesgar, Ancash Department, Peru
12.6 x 11.3 cm |
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42803 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2211
Location: USA
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| Posted: May 16, 2014 01:36 Post subject: Re: The Mizunaka Collection |
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| Description: |
Fluorite, Arsenopyrite
Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
4.5 x 4.0 cm |
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| Viewed: |
42673 Time(s) |
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| Description: |
Fluorite, Calcite, Quartz
Jingbian Cu-Au deposit, Zongyang Co., Anqing Prefecture, Anhui Province, China
6.5 x 6.0 cm |
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| Viewed: |
42832 Time(s) |
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Philip Mostmans
Joined: 08 Nov 2011
Posts: 43
Location: Mechelen
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| Posted: May 16, 2014 04:05 Post subject: Re: The Mizunaka Collection |
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| In the third to last post you mention Dayu. Co. for both Fluorites. How sure are you about the provenance? I got a very similar piece at a show last year, labeled as Yaogangxian...
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