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ATHENA

MINERALOGY

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Mineral: SCHORL
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH
Crystal System: Rhombohedral (Trigonal)
Group: Tourmaline group
IMA Number: 2007 s.p.
References: HB2/2 (1995); AM 96 (2011), 895; J. Geosc. 67 (2022), 129

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