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Anatase : TiO2 | |
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Pont-Kerlann brook alluvials, Trégourez, Coray, Finistère, Brittany, France 1,5 mm crystal - Photo and collection François Périnet |
| © François Périnet | Photo ID: 94984 View Count: 241 |
Brookite : TiO2 | |
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Pont-Kerlann brook alluvials, Trégourez, Coray, Finistère, Brittany, France 1 mm crystal - Photo and collection François Périnet |
| © François Périnet | Photo ID: 94985 View Count: 203 |
Staurolite : (Fe2+,Mg,Zn)1.5-2Al9[O6|(OH,O)2|(SiO4)4] | |
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Odet river alluvials, Tréflez, Trégourez, Coray, Finistère, Brittany, France 1,2 mm twinned crystals - Photo and collection François Périnet |
| © François Périnet | Photo ID: 94700 View Count: 198 |
Staurolite : (Fe2+,Mg,Zn)1.5-2Al9[O6|(OH,O)2|(SiO4)4] | |
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Odet river alluvials, Tréflez, Trégourez, Coray, Finistère, Brittany, France 1 mm twinned crystals - Photo and collection François Périnet |
| © François Périnet | Photo ID: 94698 View Count: 168 |
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