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ATHENA

MINERALOGY

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Mineral:ELLESTADITE-(OH) = HYDROXYLELLESTADITE
Formula:Ca10(SiO4)3(SO4)3(OH,Cl,F)2
Crystal System:Monoclinic pseudo Hexagonal
Strunz Nr:8/B.27-30
Group:Britholite group
References:AM 67 (1982), 90; HB2/1 (1995); MR 39/2 (2008), 131; EJM 22 (2010), 163
Type Locality:Chichibu mine, Saitama pref., Honshu, Japan
Comments:Structurally related to Apatite Group.

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