Aliettite

Aliettite is a complex phyllosilicate mineral of the smectite group with a formula of (Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O) or [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe2+)2–3(Si,Al)4O10(OH)2·n(H2O). It is a soft, colorless to pale yellow or green earthy mineral which crystallizes in the monoclinic system as minute tabular to platy crystals. It was fir...
Found on http://en.wikipedia.org/wiki/Aliettite

aliettite

(from the article `clay mineral`) ...rectorite (dioctahedral mica/montmorillonite), tosudite (dioctahedral chlorite/smectite), corrensite (trioctahedral vermiculite/chlorite), ...
Found on http://www.britannica.com/eb/a-z/a/46
No exact match found