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ATHENA

MINERALOGY

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Mineral:MONTROYALITE
Formula:Sr4Al8(CO3)3(OH,F)26 · 10-11H2O
Crystal System:Anorthic (Triclinic) (?)
Strunz Nr:5/E.08-80
Group:Ancylite - Dresserite group
References:CM 24 (1986), 455; HB5 (2003)
Type Locality:Francon quarry, St-Michel distr., Montreal Island, Québec, Canada

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