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ATHENA

MINERALOGY

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Mineral: CAYALSITE-(Y)
Formula: CaY6Al2Si4O18F6
Crystal System: Orthorhombic
IMA Number: 2011-094
References: EJM 27 (2015), 683; AM 101/8 (2016), 1920
Type Locality: Tysfjord, Nordland, Norway
Comments: Polytypes Cayalsite-(Y)-1O, Cayalsite-(Y)-1M

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