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ATHENA

MINERALOGY

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Mineral:COOMBSITE
Formula:K(Mn2+,Fe2+,Mg)13(Si,Al)18O42(OH)14
Crystal System:Rhomboedral (Trigonal)
Strunz Nr:8/H.40-20
References:NZ J. Geol. Geoph. 34 (1991), 329; HB2/1 (1995); NM 90-94 (1997)
Type Locality:Watson's Beach, Otago, South Island, New Zealand

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