| Name: | Niobokupletskite Nbk |
| IMA Chemistry: | K2NaMn7(Nb,Ti)2(Si4O12)2O2(OH)4(O,F) |
| Chemistry Elements: | The mineral Niobokupletskite contains elements: Potassium (K) Sodium (Na) Manganese (Mn) Niobium (Nb) Titanium (Ti) Silicon (Si) Oxygen (O) Hydrogen (H) Fluorine (F) |
| Country of Type Locality: | Canada |
| Year First Published: | 1999 |
| IMA Status: | Approved |
| Status Notes: | Piilonen P C, Lalonde A E, McDonald A M, Gault R A (2000) Niobokupletskite, a new astrophyllite-group mineral from Mont Saint-Hilaire, Quebec, Canada: description and crystal structure, The Canadian Mineralogist 38, 627-639 Chemical composition changed from K_2_Na(Mn,Zn,Fe)_7_(Nb,Zr,Ti)_2_Si_8_O_26_(OH)_4_(O,F): Cámara F, Sokolova E, Abdu Y, Hawthorne F C (2010) The crystal structures of niobophyllite, kupletskite-(Cs) and Sn-rich astrophyllite: Revisions to the crystal chemistry of the astrophyllite-group minerals, The Canadian Mineralogist 48, 1-16 |
| Structural Group Name: | Astrophyllite-Kupletskite |
| Fleischer's Group Name: | astrophyllite |
| Crystal Systems: | triclinic |
| Oldest Known Age: | 124 Million Years Ago |
| More Info: | Search Wikipedia: Niobokupletskite (Wiki) Search Mindat: Niobokupletskite Search Web Mineral DB: Niobokupletskite |