Owl - coll. P.P. ATHENA

MINERALOGY
mlevy
Mineral:PERRAULTITE
Formula:(Na,Ca)(Ba,K)(Mn2+,Fe2+)4(Ti,Zr)2(Si2O7)2O2(OH,F,O)3
Crystal System:Monoclinic
Strunz Nr:8/C.14-30
References:CM 29 (1991), 355; HB2/2 (1995); NM 90-94 (1997); ZVMO 128 (1999), 112
Type Locality:Demix quarry, Mont Saint-Hilaire, Rouville Co., Québec, Canada

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