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ATHENA

MINERALOGY

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Mineral:YOFORTIERITE
Formula:(Mn,Mg)5Si8O20(OH)2 · 8-9H2O
Crystal System:Monoclinic
Strunz Nr:8/H.33-30
Group:Palygorskite group
References:CM 13 (1975), 68; HB2/2 (1995)
Type Locality:Demix quarry, Mont Saint-Hilaire, Rouville Co., Québec, Canada

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