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ATHENA

MINERALOGY

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Mineral: DRAVITE
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3OH
Crystal System: Rhombohedral (Trigonal)
Group: Tourmaline group
IMA Number: 1884
References: HB2/1 (1995); AM 96 (2011), 895; L 10 (2015), 8
Type Locality: Dobrava pri Dravogradu, Slovenia (formerly Unterdrauburg, Drave, Kärnten (Carinthia), Austria)

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