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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5071
Location: Barcelona
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 Posted: Jun 20, 2025 16:34 Post subject: Azurite on Volborthite from Milpillas Mine / #MVM (Minerals - Virtual Museum) Collection |
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#MVM (Minerals - Virtual Museum) / more information about the piece with this link
| Mineral: | Azurite on Volborthite |
| Locality: | | Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora, Mexico |  |
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| Dimensions: | Azurite crystal size: 1 × 0.3 cm |
| Description: |
A very sharp, doubly terminated Azurite crystal on Volborthite, an association we must consider something very special, especially considering that the Milpillas Volborthite specimens are probably the world’s best for their quality, luster, and crystal size, and are now considered a new standard for this species.
The specimen has been noted and photographed in the monograph 'The Milpillas Mine' of The Mineralogical Record magazine, on page 620, volume 52, number 5, September–October 2021 |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5071
Location: Barcelona
|
| Posted: Jun 23, 2025 17:03 Post subject: Proustite from Chañarcillo, Chile / #MVM (Minerals - Virtual Museum) Collection |
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#MVM (Minerals - Virtual Museum) / more information about the piece with this link
| Mineral: | Proustite |
| Locality: | | Chañarcillo, Copiapó Province, Atacama Region, Chile | |
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| Dimensions: | 3 × 1.8 × 2 cm |
| Description: |
Proustite crystals with a prismatic habit and sharp terminations. Between translucent and transparent and with very vivid color.
Chañarcillo is one of the most well-known orebodies for the species.
Former collection Moutet (Marseille) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5071
Location: Barcelona
|
| Posted: Jul 02, 2025 13:38 Post subject: Cuprite on Calcite from Congo D. R. / #MVM (Minerals - Virtual Museum) Collection |
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#MVM (Minerals - Virtual Museum) / more information about the piece with this link
| Mineral: | Cuprite on Calcite |
| Locality: | | Mashamba West Mine, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire) | |
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| Dimensions: | 3.9 × 2.7 × 2.5 cm |
| Description: |
| Very sharp and isolated Cuprite crystals, one of them clearly dominant, very aerial, with the forms of the octahedron, the rhombododecahedron and the cube. Translucent, very lustrous and with a very deep red color. On matrix, with small rhombohedral Calcite crystals. |
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