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ATHENA

MINERALOGY

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Mineral: PORTLANDITE
Formula: Ca(OH)2
Crystal System: Hexagonal
Group: Brucite group
IMA Number: 1933
References: MM 23 (1933), 419; AM 19 (1934), 35; HB3 (1997); Phys. Chem. Min. 34 (2007), 223
Type Locality: Scawt Hill, Co. Antrim, Northern Ireland, United Kingdom

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