ATHENA MINERALOGY |
Mineral: | BRAMMALLITE = a series name |
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Formula: | (Na,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,H2O] (?) |
Crystal System: | Monoclinic |
References: | DAN Earth Sci. 208 (1973), 157; CM 36 (1998), 905 |
Type Locality: | Llandybie, Dyfed, South Wales, United Kingdom |
Comments: | Na rich Illite |
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