Formula : (Ca,Na2,Mg)2[Al2Si4O12]2 * 16 H2O
System: cubic Hardness:5 Rarity:rare
Strunz id:VIII/J.27-40 -
SILICATES
Name origin: Named after Barthélemy Faujas de Saint-Fond (born in Montélimar on May 17th 1741; died on July 18th, 1819, in Saint-Fond), French geologist and writer on the origin of volcanoes. The Na-dominant member of the faujasite series.
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