ATHENA MINERALOGY |
Mineral: | THOMASCLARKITE-(Y) |
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Formula: | Na(Y,REE)(HCO3)(OH)3.4H2O |
Crystal System: | Monoclinic pseudo Quadradic (Tetragonal) |
IMA Number: | 1997-047 |
References: | CM 36 (1998), 1293; AM 84 (1999), 1466; MR 30 (1999), 404; HB5 (2003) |
Type Locality: | Alkaline pegmatite dike, Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Canada |
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