ATHENA MINERALOGY |
Mineral: | HYDROXYLGUGIAITE |
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Formula: | (Ca,▢)2(Be,Si)[(Si,Be)2O5(OH)2] |
Crystal System: | Quadradic (Tetragonal) |
Group: | Melilite group |
IMA Number: | 2016-009 |
References: | CM 55 (2017), 219 |
Type Locality: | Mt Nakkaalaaq, Ilímaussaq, Greenland; Saga 1 Quarry, Sagåsen and Blåfjell E18 roadcuts, Porsgrunn, Vestfold og Telemark, Norway |
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