Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:HANNAYITE
Formula:(NH4)2Mg3H4(PO4)4 · 8H2O
Crystal System:Anorthic (Triclinic)
Strunz Nr:7/C.23-40
References:AM 48 (1963), 635; HB4 (2000)
Type Locality:Skipton Caves, Ballarat, Victoria, Australia

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