ATHENA MINERALOGY |
Mineral: | MONTMORILLONITE |
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Formula: | (Na,Ca)0,3(Al,Mg)2Si4O10(OH)2.nH2O |
Crystal System: | Monoclinic |
Group: | Smectite group |
IMA Number: | 1847 |
References: | HB2/2 (1995) |
Type Locality: | Montmorillon, Vienne, France |
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