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ATHENA

MINERALOGY

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Mineral: MACDONALDITE
Formula: BaCa4Si16O36(OH)2(H2O)6.4H2O
Crystal System: Orthorhombic
IMA Number: 1964-010
References: AM 50 (1965), 314; HB2/2 (1995)
Type Locality: Big Creek and Rush Creek, Fresno Co., California, USA

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