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ATHENA

MINERALOGY

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Mineral: GRAESERITE
Formula: Fe3+4Ti3As3+O13(OH)
Crystal System: Monoclinic
Group: Derbylite group
IMA Number: 1996-010
References: SMPM 78 (1998), 1; CM 36 (1998), 1083; MM 84 (2020), 766
Type Locality: Lärcheltini, Binntal, Valais (Wallis), Switzerland

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