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Anatase : TiO2 | |
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Parray brook alluvials, Les Arbres, Chapdes-Beaufort, Pontgibaud, Puy-de-Dôme, Auvergne, France 0,4 mm crystal – Photo and collection François Périnet |
| © François Périnet | Photo ID: 97787 View Count: 243 |
Aragonite : CaCO3 | |
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Puy de Tunisset, Saint-Ours-les-Roches, Pontgibaud, Puy-de-Dôme, Auvergne, France White tufts of aragonite needles. Field of view is about 1.5 mm across. P. & E. Médard collection, photograph by R. Vernet. |
| Photo ID: 257767 View Count: 33 | |
Augite : (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] | |
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Parray brook alluvials, Les Arbres, Chapdes-Beaufort, Pontgibaud, Puy-de-Dôme, Auvergne, France 0,8 mm crystal group – twinned on {100} - Photo and collection François Périnet |
| © François Périnet | Photo ID: 97788 View Count: 235 |
Augite : (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] | |
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Sioulot brook alluvials, Olby, Pontgibaud, Puy-de-Dôme, Auvergne, France 2 mm crystal - Photo and collection François Périnet. |
| © François Périnet | Photo ID: 239054 View Count: 35 |
Augite : (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] | |
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Sioulot brook alluvials, Olby, Pontgibaud, Puy-de-Dôme, Auvergne, France 3 mm twinned crystal - Photo and collection François Périnet. |
| © François Périnet | Photo ID: 239056 View Count: 23 |
Berthierite : FeSb2S4 | |
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Le Colombier vein, Massagette, Pontgibaud, Puy-de-Dôme, Auvergne, France Field of view: 2 mm Photo and collection Antonio Borrelli |
| © Antonio Borrelli | Photo ID: 89821 View Count: 246 |
Cassiterite : SnO2 | |
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Sioulot brook alluvials, Olby, Pontgibaud, Puy-de-Dôme, Auvergne, France 0.7 mm crystal with end form {321}- Photo and collection François Périnet. |
| © François Périnet | Photo ID: 239048 View Count: 19 |
Cassiterite : SnO2 | |
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Sioulot brook alluvials, Olby, Pontgibaud, Puy-de-Dôme, Auvergne, France 2 mm twinned crystal - Photo and collection François Périnet. |
| © François Périnet | Photo ID: 239031 View Count: 16 |
Cassiterite : SnO2 | |
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Sioulot brook alluvials, Olby, Pontgibaud, Puy-de-Dôme, Auvergne, France 1.2 mm crystal with probably form {552} - Photo and collection François Périnet. |
| © François Périnet | Photo ID: 239059 View Count: 16 |
Cassiterite : SnO2 | |
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Sioulot brook alluvials, Olby, Pontgibaud, Puy-de-Dôme, Auvergne, France 0.8 mm crystal - Photo and collection François Périnet. |
| © François Périnet | Photo ID: 239028 View Count: 13 |
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