Locality type: | Mine |
Classification |
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Species: | Chalcosiderite |
Formula: | CuFe63+(PO4)4(OH)8 · 4H2O |
Formation: | Secondary |
Comments: | The most common habit believed to be chalcosiderite (radiated groups of monoclinic crystals, for example https://www.mindat.org/photo-829217.html ) turned to turquoise after EDS analyse of several samples : Al/Fe ratio between 2,5 and 3.7 |
Confirmation |
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Validity: | Confirmed |
Confirmation Methods: | SEM-EDS |
Associated Minerals Based on Photo Data: |
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Strengite | ⓘ3 photos of Chalcosiderite associated with Strengite at this locality. |
Goethite | ⓘ2 photos of Chalcosiderite associated with Goethite at this locality. |
Jarosite | ⓘ1 photo of Chalcosiderite associated with Jarosite at this locality. |
Data |
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Mineral Data: | Click here to view Chalcosiderite data |
Locality Data: | Click here to view L'Eperon-West mine, Montmins mining district, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France |
Photo Gallery | View Gallery (8 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 1089458 |
Long-form Identifier: | 1:3:1089458:7 |
GUID (UUID V4): | b526d8b1-1a7f-448e-8b76-a56669b7d5e0 |
Nearest other occurrences of Chalcosiderite |
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0.3km (0.2 miles) | ⓘBeauvoir quarry, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France |
2.1km (1.3 miles) | ⓘLe Mazet vein, Le Mazet, Montmins mining district, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France |
2.2km (1.4 miles) | ⓘSte Barbe vein (Les Montmins), Montmins mining district, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France |
52.2km (32.4 miles) | ⓘMontebras Mines, Montebras, Soumans, Aubusson, Creuse, Nouvelle-Aquitaine, France |
References |
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L'Eperon-West mine, Montmins mining district, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France