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ATHENA

MINERALOGY

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Mineral: LAWSONITE
Formula: CaAl2Si2O7(OH)2.H2O
Crystal System: Orthorhombic
Group: Lawsonite group
IMA Number: 1895
References: EJM 2 (1990), 43; L 6 (1990), 7; HB2/2 (1995)
Type Locality: Tiburon Peninsula, Marin Co., California, USA

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