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Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Gâvres beach alluvials, Port-Louis, Lorient, Morbihan, Brittany, France 0,6 mm grain - Photo and collection François Périnet |
| © François Périnet | Photo ID: 95107 View Count: 311 |
Corundum : Al2O3 | |
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Gâvres beach alluvials, Port-Louis, Lorient, Morbihan, Brittany, France 0,8 mm crystal - Photo and collection François Périnet |
| © François Périnet | Photo ID: 95111 View Count: 182 |
Corundum : Al2O3 | |
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Gâvres beach alluvials, Port-Louis, Lorient, Morbihan, Brittany, France 0,6 mm crystal - Photo and collection François Périnet |
| © François Périnet | Photo ID: 95110 View Count: 160 |
Garnet Group : X3Z2(TO4)3 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V) | |
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Gâvres beach alluvials, Port-Louis, Lorient, Morbihan, Brittany, France 0,4 mm crystal - Photo and collection François Périnet |
| © François Périnet | Photo ID: 95109 View Count: 229 |
Glaucophane : [ ][Na2][Mg3Al2][(OH)2|Si8O22] | |
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Gâvres beach alluvials, Port-Louis, Lorient, Morbihan, Brittany, France 1,5 mm grain - Photo and collection François Périnet |
| © François Périnet | Photo ID: 95108 View Count: 277 |
Sillimanite : Al2[O|SiO4] | |
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Gâvres beach alluvials, Port-Louis, Lorient, Morbihan, Brittany, France 1,5 mm grain - Photo and collection François Périnet |
| © François Périnet | Photo ID: 95112 View Count: 210 |
Tourmaline : AD3G6(BO3)3[T6O18]Y3Z | |
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Gâvres beach alluvials, Port-Louis, Lorient, Morbihan, Brittany, France 0,7 mm crystal - Photo and collection François Périnet |
| © François Périnet | Photo ID: 95113 View Count: 195 |
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