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ATHENA

MINERALOGY

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Mineral:SANIDINE
Formula:(K,Na)(Si,Al)3O8
Crystal System:Monoclinic
Strunz Nr:8/J.06-20
Group:Feldspar group
References:AM 63 (1978), 1264; HB2/2 (1995)
Type Locality:Drachenfels, Eifel, Rheinland-Pfalz, Germany
Comments:A high temperature disordered Al-Si orthoclase

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