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ATHENA

MINERALOGY

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Mineral: SAPPHIRINE
Name: Sapphirine
Formula: (Mg,Al)8(Al,Si)6O20
Crystal System: Monoclinic / Anorthic (Triclinic)
Group: Sapphirine supergroup. Sapphirine group
IMA Number: 1819
References: AM 73 (1988), 1134; HB2/2 (1995); Contrib. Min. Pet. 68 (1979), 357
Type Locality: Fiskenäs, Nuuk area, Greenland
Comments: Polytypes -2M,-4M, 1A,-2A,-5A

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