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Albite-Anorthite Series | |
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La Roche Quarry, Calanhel, Callac, Côtes-d'Armor, Brittany, France crystal : 0,2mm photo and collection :P Le Roch |
| © P L e Roch | Photo ID: 55067 View Count: 512 |
Albite-Anorthite Series | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway Detail of plagioclase cleavage plane with adularescence. Field of view approx. 4 cm. |
| © Olav Revheim | Photo ID: 188802 View Count: 334 |
Albite-Anorthite Series, Microcline : K[AlSi3O8], Augite : (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6], Magnetite : Fe2+Fe3+2O4 | |
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Horsey - Eccles Coast, Norfolk, England, UK Sea Palling. Pegmatitic phase of larvikite in which large crystals of black augite and grey magnetite can clearly be seen, surrounded by the normal groundmass of blue schillerised plagioclase and microcline. The coin is a British 20p piece, 18mm across. |
| © Lloyd Llewellyn | Photo ID: 16595 View Count: 1904 |
Albite-Anorthite Series | |
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Heath Quarry, Casco, Cumberland Co., Maine, USA White calcic plagioclase crystals (stained yellowish), with brown vesuvianite and green diopside. View is 12 mm across. P. Cristofono specimen and photo, field-collected 2006. |
| © 2007 Peter Cristofono | Photo ID: 101775 View Count: 232 |
Albite-Anorthite Series | |
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Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA Intermediate albite-anorthite series (plagioclase) crystals. View is 33 mm across. P. Cristofono specimen and photo, field collected 2005. |
| © 2005 Peter Cristofono | Photo ID: 39774 View Count: 484 |
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