| Name: | Selenium Se |
| IMA Chemistry: | Se |
| Chemistry Elements: | The mineral Selenium contains elements: Selenium (Se) |
| Country of Type Locality: | USA |
| Year First Published: | 1934 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Palache C (1934) Contributions to crystallography: Claudetite; minasragrite; samsonite; native selenium; indium, American Mineralogist 19, 194-205 |
| Structural Group Name: | Sulphur |
| Fleischer's Group Name: | |
| Crystal Systems: | hexagonal|monoclinic |
| Oldest Known Age: | 2500 Million Years Ago |
| More Info: | Search Wikipedia: Selenium (Wiki) Search Mindat: Selenium Search Web Mineral DB: Selenium |