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ATHENA

MINERALOGY

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Mineral: TOWNENDITE
Formula: Na8ZrSi6O18
Crystal System: Rhombohedral (Trigonal) pseudo Hexagonal
Group: Lovozerite group. Zirsinalite-Lovozerite subgroup
IMA Number: 2009-066
References: AM 95 (2010), 646; ZRMO 152/2 (2023), 1
Type Locality: Kvanefjeld prospect, Ilímaussaq alkaline complex, 8 km east of Narsak, Greenland

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