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ATHENA

MINERALOGY

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Mineral: JEFFREYITE
Formula: (Ca,Na)2(Be,Al)Si2(O,OH)7
Crystal System: Orthorhombic pseudo Quadradic (Tetragonal)
Group: Melilite group related
IMA Number: 1982-095
References: CM 22 (1984), 443; HB2/1 (1995)
Type Locality: Jeffrey pit, Asbestos, Shipton Twp., Richmond Co., Québec, Canada

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