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ATHENA

MINERALOGY

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Mineral: JOHNKOIVULAITE
Formula: Cs[Be2B]Mg2Si6O18
Crystal System: Hexagonal
Group: Beryl group
IMA Number: 2019-046
References: MM 83 (2019), 757; EJM 31 (2019), 1099; AM 106/11 (2021), 1844; AM 109 (2024), 15
Type Locality: Pein-Pyit (Pyan Pyit), Mogok, Pyin-Oo-Lwin District, Mandalay, Myanmar

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