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ATHENA

MINERALOGY

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Mineral: HIBSCHITE = GROSSULAR hydroxyl variety
Formula: {Ca3}[Al2](Si3–x▢x)O12–4x(OH)4x
Crystal System: Cubic
References: BM 107 (1984), 605; HB2/1 (1995); AM 98 (2013), 785
Type Locality: Marianska Hora, Ustí, Krushe Hory, Severocesky (Northern Czechy), Cechy (Bohemia), Czech Republic
Comments: ▢ = vacancy

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