Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:HYDROASTROPHYLLITE
Formula:(H3O,K)2Ca(Fe2+,Mn)5-6Ti2Si8O26(OH)4F
Crystal System:Anorthic (Triclinic)
Strunz Nr:8/G.12-30
Group:Astrophyllite Group
References:AM 60 (1975), 736; HB2/1 (1995); CM 41 (2003), 1
Type Locality:Sichuan (Szechuan), China

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