ATHENA MINERALOGY |
Mineral: | LAUBMANNITE (of Frondel) = mixture DUFRENITE, KIDWELLITE, BERAUNITE |
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Formula: | (Fe2+,Mn2+,Ca)3Fe3+6(PO4)4(OH)12 |
Crystal System: | Orthorhombic |
References: | AM 55 (1970), 135; AM 75 (1990), 1197; EJM 13 (2001), 99; MM 68 (2004), 147 |
Type Locality: | Coon Creek Mine (York Mine), Shady, Polk Co., Arkansas, USA |
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