| Name: | Povondraite Pov |
| IMA Chemistry: | NaFe3+3(Fe3+4Mg2)(Si6O18)(BO3)3(OH)3O |
| Chemistry Elements: | The mineral Povondraite contains elements: Sodium (Na) Iron (Fe) Magnesium (Mg) Silicon (Si) Oxygen (O) Boron (B) Hydrogen (H) |
| Country of Type Locality: | Bolivia |
| Year First Published: | 1979 |
| IMA Status: | Approved,Renamed |
| Status Notes: | Walenta K, Dunn P J (1979) Ferridravite, a new mineral of the tourmaline group from Bolivia, American Mineralogist 64, 945-948 Name changed from ferridravite to povondraite and chemical composition changed from NaMg_3_Fe^3+^_6_B_3_Si_6_(O,OH)_30_(OH,F) to NaFe^3+^_3_Fe^3+^_6_(Si_6_O_18_)(BO_3_)_3_(O,OH)_4_: Grice J D, Ercit T S, Hawthorne F C (1993) Povondraite, a redefinition of the tourmaline ferridravite, American Mineralogist 78, 433-436 Chemical formula changed from NaFe^3+^_3_Fe^3+^_6_(Si_6_O_18_)(BO_3_)_3_(O,OH)_4_ to NaFe^3+^_3_(Fe^3+^_4_Mg_2_)(Si_6_O_18_)(BO_3_)_3_(OH)_3_O: Hawthorne F C, Henry D J (1999) Classification of the minerals of the tourmaline group, European Journal of Mineralogy 11, 201-215 |
| Structural Group Name: | Tourmaline |
| Fleischer's Group Name: | tourmaline |
| Crystal Systems: | hexagonal |
| Oldest Known Age: | 171 Million Years Ago |
| More Info: | Search Wikipedia: Povondraite (Wiki) Search Mindat: Povondraite Search Web Mineral DB: Povondraite |