| Name: | Norbergite Nrb |
| IMA Chemistry: | Mg3(SiO4)F2 |
| Chemistry Elements: | The mineral Norbergite contains elements: Magnesium (Mg) Silicon (Si) Oxygen (O) Fluorine (F) |
| Country of Type Locality: | Sweden |
| Year First Published: | 1926 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Geijer P (1926) Norbergite and fluoborite, two new minerals from the Norberg mining district, Geologiska Föreningens i Stockholm Förhandlingar 48, 84-85 |
| Structural Group Name: | Humite |
| Fleischer's Group Name: | humite-humite subgroup |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 2070 Million Years Ago |
| Mohs Hardness: | 6.25 |
| Diaphaneity: | 2.0 |
| Specific Gravity: | 3.177 |
| More Info: | Search Wikipedia: Norbergite (Wiki) Search Mindat: Norbergite Search Web Mineral DB: Norbergite |