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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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 Posted: Jun 01, 2022 01:46 Post subject: Re: The Mizunaka Collection - Rhodochrosite |
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| am mizunaka wrote: | | Dany Mabillard wrote: | | Tobi wrote: | | What a jewel! And I mean the crystals, not the cut stone ;-) A highly aesthetic specimen with the best red colour you will find in the mineral world. No wonder that pieces like that from South Africa are among the most desired minerals! (And a superb photo btw.) |
I totally agree with Tobi. |
Thanks Tobi and Dany! I have always wondered just how large the rough had to be to get a gemstone this large ..... |
In my humble opinion for sure TOO large to break and cut it :-/ But who knows, maybe it was an already broken or somehow damaged crystal, would be a sad thought for me if someone took a good specimen like the one on the first photo to make a gem out of it ...
Nonetheless a great craftsmanship to do this with a rhodochrosite, I think the crystals are more fragile than classic gemstones like diamond, beryl, corundum or topaz.
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 02, 2022 18:03 Post subject: The Mizunaka Collection - Fluorite |
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| Mineral: | Fluorite, Quartz |
| Locality: | | Yindu, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China |  |
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| Dimensions: | 3.8 x 3.6 cm |
| Description: |
| Colorful fluorite with quartz on a spiky matrix. |
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| Viewed: |
9788 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Jun 03, 2022 02:32 Post subject: Re: The Mizunaka Collection |
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| Incredible colours, great one!
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Volkmar Stingl
Joined: 23 Sep 2012
Posts: 999
Location: Innsbruck
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| Posted: Jun 03, 2022 08:50 Post subject: Re: The Mizunaka Collection |
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| Simply wonderful!
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 03, 2022 16:16 Post subject: Re: The Mizunaka Collection - Fluorite |
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| Tobi wrote: | | Incredible colours, great one! |
| Volkmar Stingl wrote: | | Simply wonderful! |
Thanks Tobi and Volkmar!
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 04, 2022 19:25 Post subject: The Mizunaka Collection - Quartz |
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| Mineral: | Quartz |
| Locality: | | Second Sovetskii Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia | |
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| Dimensions: | 19.5 x 11.0 cm |
| Description: |
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11705 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Jun 05, 2022 07:09 Post subject: Re: The Mizunaka Collection |
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| Wow Mike, an awesome specimen of red quartz from Dalnegorsk! As both a quartz fan and a Dalnegorsk fan I know that these specimens are highly sought after, and such a large and good one is hard to get. A superb Dalnegorsk classic, I love it!
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 06, 2022 16:54 Post subject: Re: The Mizunaka Collection |
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| Tobi wrote: | | Wow Mike, an awesome specimen of red quartz from Dalnegorsk! As both a quartz fan and a Dalnegorsk fan I know that these specimens are highly sought after, and such a large and good one is hard to get. A superb Dalnegorsk classic, I love it! |
Thanks Tobi!
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 09, 2022 03:31 Post subject: The Mizunaka Collection - Rhodochrosite |
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| Mineral: | Rhodochrosite |
| Locality: | | N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa | |
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| Dimensions: | 3.5 x 3.4 cm |
| Description: |
| A dome shaped rhodochrosite sitting on a small bit of matrix. |
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| Viewed: |
11539 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 10, 2022 18:23 Post subject: The Mizunaka Collection - Quartz |
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| Mineral: | Quartz |
| Locality: | | Corinto, Curvelo, Minas Gerais, Brazil | |
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| Dimensions: | 9.5 x 6.4 cm |
| Description: |
| Bent iron stained quartz. |
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| Viewed: |
11460 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 12, 2022 02:27 Post subject: The Mizunaka Collection - Quartz on Fluorite |
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| Mineral: | Quartz (variety eisenkiesel), Fluorite |
| Locality: | | Johannesschacht Mine, Wölsendorf, Schwarzach bei Nabburg, Wölsendorf West District, Upper Palatinate/Oberpfalz, Bavaria/Bayern, Germany | |
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| Dimensions: | 9.1 x 7.7 cm |
| Description: |
| Quartz included with hematite covering dark purple fluorite. |
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| Viewed: |
11364 Time(s) |
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| Mineral: | Fluorite |
| Locality: | | Johannesschacht Mine, Wölsendorf, Schwarzach bei Nabburg, Wölsendorf West District, Upper Palatinate/Oberpfalz, Bavaria/Bayern, Germany | |
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| Dimensions: | 9.1 x 7.7 cm |
| Description: |
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11357 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Jun 12, 2022 04:52 Post subject: Re: The Mizunaka Collection |
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| Nice Wölsendorf classic, good colour! And the cavities seem to be part of a perimorph, do you know more about it?
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 12, 2022 17:06 Post subject: Re: The Mizunaka Collection - Quartz on Fluorite |
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| Tobi wrote: | | Nice Wölsendorf classic, good colour! And the cavities seem to be part of a perimorph, do you know more about it? |
Thanks Tobi! Unfortunately there isn't any additional information about the cavities.
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am mizunaka
Joined: 09 Apr 2010
Posts: 2208
Location: USA
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| Posted: Jun 13, 2022 03:29 Post subject: The Mizunaka Collection - Lepidolite |
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| Mineral: | Lepidolite, Quartz |
| Locality: | | Araçuaí, Vale do Jequitinhonha, Minas Gerais, Brazil | |
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| Dimensions: | 6.7 x 5.3 cm |
| Description: |
| Translucent violet lepidolite crystals on quartz. |
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| Viewed: |
11224 Time(s) |
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Roger Warin
Joined: 23 Jan 2013
Posts: 1237
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| Posted: Jun 13, 2022 04:14 Post subject: Re: The Mizunaka Collection |
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| Never seen such a development.
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