File:Stalderite & Ralphcannonite.jpg
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English: Tiny black crystal of the extremely rare Lengenbach minerals stalderite-ralphcannonite (this one, new species: IMA 2014-077) in a small matrix of realgar. Stalderite and ralphcannonite form a series, where stalderite is the Cu-end member and ralphcannonite is the Ag-end member. This crystal was analyzed by EDX and it is stalderite (61%) and ralphcannonite (39%). In addition, this specimen is a part of the type specimen of ralphcannonite (!), that is, the specimen that was used for the description of the species! Only very few specimens known of both species. After the book "Faszination Lengenbach (2008)" we know that the total number of stalderite specimens known was only 9! Specimen found in 1989. |
| Date | |
| Source | Own work |
| Author | David Hospital |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:45, 23 January 2018 | | 688 × 667 (64 KB) | David Hospital (talk | contribs) | User created page with UploadWizard |
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