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ATHENA

MINERALOGY

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Mineral: TRIDYMITE
Formula: SiO2
Crystal System: Monoclinic pseudo Hexagonal
Group: Silica group
IMA Number: 1868
References: ZK 195 (1991), 31; HB2/2 (1995); L 5 (2010), 10
Type Locality: Cerro San Cristobal, Pachuca, Estado Hidalgo, Mexico

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