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ATHENA

MINERALOGY

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Mineral: BERTRANDITE
Formula: Be4Si2O7(OH)2
Crystal System: Orthorhombic
IMA Number: 1878
References: L 5 (1989), 6; HB2/1 (1995)
Type Locality: Petit-Port and Barbin, Nantes, Loire-Atlantique, France

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