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ATHENA

MINERALOGY

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Mineral: LUINAITE-(OH) = a SCHORL polymoph
Formula: (Na,▢(Fe2+,Mg)3Al6(BO3)3Si6O18(OH)4
Crystal System: Rhombohedral (Trigonal)
Group: Tourmaline group
References: Min.and Museums 6 (2008), 29; AM 96 (2011), 895; EJM 34 (2022), 143-148
Type Locality: Cleveland tin mine, Luina, Waratah, Heazlewood district, Tasmania, Australia
Comments: Discredited

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