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ATHENA

MINERALOGY

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Mineral: HANSESMARKITE
Formula: Ca2Mn2Nb6O19.20H2O
Crystal System: Anorthic (Triclinic)
IMA Number: 2015-067
References: MM 81 (2017),543
Type Locality: A/S Tuften 1 Granit Quarry, Tvedalen, Larvik, Vestfold, Norway

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