ATHENA MINERALOGY |
Mineral: | NORMANDITE |
---|---|
Formula: | Na2Ca2Mn2Ti2(Si2O7)2O2F2 |
Crystal System: | Monoclinic |
Group: | Wöhlerite group |
IMA Number: | 1990-021 |
References: | HB2/2 (1995); CM 35 (1997), 1035; MR 5 (1998), 475; CM 50 (2012), 593; MM 86 (2022), 661 |
Type Locality: | Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Canada |
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