MINERALOGY
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ATHENA
MINERALOGY |
| Mineral: | MINAMIITE = NATROALUNITE-2R |
| Formula: | (Na,Ca,K)2Al6(SO4)4(OH)12 |
| Crystal System: | Rhomboedral (Trigonal) |
| Group: | Alunite-Jarosite Group Alunite Subgroup |
| References: | AM 67 (1982), 114; HB5 (2003); L 11 (2009), 40 |
| Type Locality: | Monzo Hot Springs, Kusatsu-Shrane volcano, Okumanza, Gumma pref., Japan |
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