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ATHENA

MINERALOGY

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Mineral: PIEMONTITE-(Sr)
Formula: CaSr(Al,Mn3+,Fe3+)3Si3O11O(OH)
Crystal System: Monoclinic
Group: Epidote supergroup. Epidote group
IMA Number: 1989-031
References: EJM 2 (1990), 519; HB2/2 (1995); NM 90-94 (1997); EJM 18 (2006), 551
Type Locality: Cassagna mine, Val Graveglia, Liguria, Italy

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