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Mysterious inclusions 2 (quite difficult one) https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=19&t=12294 |
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Author: | cascaillou [ Sun Sep 26, 2010 9:30 pm ] |
Post subject: | Re: Mysterious inclusions 2 (quite difficult one) |
Quote: : The mineral is Ba, Ti, V and Cr oxide! ankangite then. I didn't know of this mineral. Nice piece |
Author: | Egor Gavrilenko [ Mon Sep 27, 2010 3:47 am ] |
Post subject: | Re: Mysterious inclusions 2 (quite difficult one) |
YES !!! Congatulations! Here is your... And colorless mineral in the second photo seems to be Celsian, rare Ba-feldspar. These inclusions were mentioned in this GO thread. See also Gems&Gemology, Spring 2009, 71-72 pp. |
Author: | cascaillou [ Mon Sep 27, 2010 10:35 am ] |
Post subject: | Re: Mysterious inclusions 2 (quite difficult one) |
do you know where such ankangite included quartz are beeing found exactly? |
Author: | Egor Gavrilenko [ Mon Sep 27, 2010 10:56 am ] |
Post subject: | Re: Mysterious inclusions 2 (quite difficult one) |
No, I don't. If somebody knows the exact locality, please tell me. |
Author: | Barbra Voltaire, FGG [ Mon Sep 27, 2010 11:03 am ] |
Post subject: | Re: Mysterious inclusions 2 (quite difficult one) |
There is an add for some on eBay here indicating Brazil as local: http://cgi.ebay.com.sg/QUARTZ-ANKANGITE ... 0407796441 and I found another reference listing the source as Corinto Region, Minas Gerais, Brazil. |
Author: | Egor Gavrilenko [ Mon Sep 27, 2010 5:04 pm ] |
Post subject: | Re: Mysterious inclusions 2 (quite difficult one) |
Barbra Voltaire wrote: There is an add for some on eBay here indicating Brazil as local: http://cgi.ebay.com.sg/QUARTZ-ANKANGITE ... 0407796441 and I found another reference listing the source as Corinto Region, Minas Gerais, Brazil. Thanks for the references!!! |
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