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Aegirine-augite : (Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6 | |
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Mt Denise, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France Golden-yellow aegirine-augite prisms in buchite cavities. Field of view is about 3 mm across. P. & E. Médard collection, photograph by R. Vernet |
| © Robert Vernet | Photo ID: 204329 View Count: 129 |
Aragonite : CaCO3 | |
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Ste Anne Quarry, Polignac, Le Puy-en-Velay, Haute-Loire, Auvergne, France fov : 2mm |
| © P Le Roch | Photo ID: 134076 View Count: 149 |
Aragonite : CaCO3 | |
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Ste Anne Quarry, Polignac, Le Puy-en-Velay, Haute-Loire, Auvergne, France fov : 6mm |
| © P Le Roch | Photo ID: 134075 View Count: 130 |
Augite : (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] | |
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Riou Pezzouliou alluvials, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France 0,9 mm crystal – with forms {100}, {010}, {110}, {-111} - Photo and collection François Périnet |
| © François Périnet | Photo ID: 97126 View Count: 356 |
Calcite : CaCO3 | |
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Riou Pezzouliou alluvials, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France 0,7 mm grain with crystals - Photo and collection François Périnet. |
| © François Périnet | Photo ID: 219498 View Count: 42 |
Corundum : Al2O3 | |
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Riou Pezzouliou alluvials, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France 3,5 mm crystal – Photo and collection François Périnet |
| © François Périnet | Photo ID: 67211 View Count: 353 |
Corundum (Var: Sapphire) : Al2O3 | |
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Riou Pezzouliou alluvials, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France 0,4 mm small crystal with a not very current green colouring for the locality - Photo and collection François Périnet |
| © François Périnet | Photo ID: 62246 View Count: 586 |
Corundum (Var: Sapphire) : Al2O3, Zircon : Zr[SiO4] | |
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Riou Pezzouliou alluvials, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France 1,5 mm crystal- 0,2 mm red zircon crystal included – Photo and collection François Périnet |
| © François Périnet | Photo ID: 67212 View Count: 373 |
Corundum (Var: Sapphire) : Al2O3 | |
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Riou Pezzouliou alluvials, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France 2 mm crystal – Photo and collection François Périnet |
| © François Périnet | Photo ID: 97127 View Count: 246 |
Corundum (Var: Sapphire) : Al2O3, Zircon : Zr[SiO4] | |
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Riou Pezzouliou alluvials, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France 2,1 mm crystal – with red zircon crystal included - Photo and collection François Périnet |
| © François Périnet | Photo ID: 97128 View Count: 242 |
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