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ATHENA

MINERALOGY

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Mineral: POTASSICMAGNESIOSADANAGAITE = POTASSICSADANAGAITE
Name: Potassic-magnesio-sadanagaite = Potassic-sadanagaite
Formula: (K,Na)Ca2[Mg3(Al,Fe3+)2]Si5Al3O22(OH)2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Ca subgroup. Sadanagaite group
References: CM 35 (1997), 219; MR 29 (1998), 169
Type Locality: Myojin Island, Seto inland area, Ehime Pref., Japan

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