| Name: | Efremovite Efr |
| IMA Chemistry: | (NH4)2Mg2(SO4)3 |
| Chemistry Elements: | The mineral Efremovite contains elements: Nitrogen (N) Hydrogen (H) Magnesium (Mg) Sulfur (S) Oxygen (O) |
| Country of Type Locality: | Russia |
| Year First Published: | 1987 |
| IMA Status: | Approved |
| Status Notes: | Shcherbakova Y P, Bazhenova L F (1989) Efremovite (NH4)2Mg2(SO4)3 - ammonium analogue of langbeinite - a new mineral, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 118(3), 84-87 |
| Structural Group Name: | Langbeinite |
| Fleischer's Group Name: | langbeinite |
| Crystal Systems: | cubic |
| Oldest Known Age: | 326 Million Years Ago |
| More Info: | Search Wikipedia: Efremovite (Wiki) Search Mindat: Efremovite Search Web Mineral DB: Efremovite |