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Ferroglaucophane : [ ][Na2][Fe2+3Al2][(OH)2|Si8O22] | |
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Herin mine, Champdepraz, Aosta Valley, Italy Ferroglaucophane crystals (size 14-26 mm) from Herin mine (TL). Collection and photo Giovanni Fraccaro. |
| © G.Fraccaro | Photo ID: 190058 View Count: 173 |
Ferroglaucophane : [ ][Na2][Fe2+3Al2][(OH)2|Si8O22] | |
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Herin mine, Champdepraz, Aosta Valley, Italy Ferroglaucophane crystals (size 9-12 mm) from Herin mine (TL). Collection and photo Giovanni Fraccaro. |
| © G.Fraccaro | Photo ID: 190053 View Count: 100 |
Ferroglaucophane : [ ][Na2][Fe2+3Al2][(OH)2|Si8O22] | |
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Herin mine, Champdepraz, Aosta Valley, Italy Ferroglaucophane crystals (size 4-12 mm) from Herin mine (TL). Collection and photo Giovanni Fraccaro. |
| © G.Fraccaro | Photo ID: 190056 View Count: 94 |
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