Photo Copyright © Brian Kosnar - Mineral Classics  - This image is copyrighted. Unauthorized reproduction prohibited.
Gemstone: Pyroxmangite
Location of Origin:Sunnyside Mine group (American Tunnel Mine; American Tunnel; Gold King Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Mogul Mine), Bonita Peak, Gladstone, Eureka Mining District, San Juan Co., Colorado, USA
Treatments:None reported
Cut Type:Round Brilliant
Weight:1.44 cts.
Dimensions:7.18mm x 7.18mm x ?mm
For a long time, this material was thought to be rhodonite, but this is not the case, and all of the "rhodonite" from the Sunnyside has been analyzed and is confirmed as being pyroxmangite.

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