Siderite, Pyrite, Stannite
Unknown Owner
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The Siete Suyos mine (Seven Servants mine) is sometimes considered to be part of the Animas mine, and it is often difficult to know where specimens are from because several mines in the area share the same vein system. The good news is that I directly obtained this specimen from the miner who collected it, so I know for certain where it came from. I honestly have never seen any specimens from this locality before. This piece features a few excellent quality, sharp, gemmy, greenish-brown rhombic crystals of Siderite measuring up to 0.8 cm which are sitting upon a crystal of lustrous Pyrite (pseudomorph after a compressed rhombohedron of Siderite) which are associated with minor grey crystals of the rare sulfide, Stannite. The underside of the specimen reveals that the Pyrite is somewhat hollow inside, and actually hosts a second generation of Siderite crystals. For Siderite, the quality is impressive for Bolivia, as I rarely have seen such sharp and gemmy crystals from any Bolivian locality.
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
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Mineral guide
Learn about Pyrite
brilliant metallic luster, perfect cubes, and golden color; collectors prize affordable pieces to top specimens, with Navajún and Huanzala localities.Regional guide
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