ATHENA MINERALOGY |
Mineral: | QUINTINITE |
---|---|
Formula: | Mg4Al2(OH)12(CO3).3H2O |
Crystal System: | Hexagonal |
Group: | Hydrotalcite supergroup. Quintinite group |
IMA Number: | 1992-028 |
References: | CM 35 (1997), 1541; AM 83 (1998), 1347;MR 4 (1999), 324; MM 76/5 (2012), 1289; MM 82 (2018), 329 |
Type Locality: | Jacupiranga Alkaline Complex, Cajati, São Paulo, Brazil. Poudrette quarry (Demix quarry), Mont Saint-Hilaire, La Vallée-du-Richelieu, Montérégie, Québec, Canada |
Comments: | Polytypes -2H, -3R, -2T. -3T, 1-M |
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