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ATHENA

MINERALOGY

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Mineral: HENRITERMIERITE
Formula: {Ca3}[Mn3+2](Si2)(▢)O8(OH)4
Crystal System: Quadradic (Tetragonal)
Group: Garnet supergroup. Henritermierite group
IMA Number: 1968-029
References: BM 92 (1969), 185; HB2/1 (1995); AM 98 (2013), 785; Acta Cryst. B74 (2018), 104
Type Locality: Tachgagalt, Ouarzazate, Morocco
Comments: ▢ = vacancy

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