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ATHENA

MINERALOGY

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Mineral: PENTAGONITE
Formula: Ca(VO)Si4O10.4H2O
Crystal System: Orthorhombic
IMA Number: 1971-039
References: AM 58 (1973), 405; HB2/2 (1995); L 10 (2003), 7; J. Min. Pet. Sc. 104 (2009), 241
Type Locality: Lake Owyhee State Park, Malheur Co., Oregon, USA

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