Adamantine spar
| Adamantine spar | |
|---|---|
| General | |
| Category | Minerals |
| Formula | Al2O3 |
| Identification | |
| Color | Brown |
| Mohs scale hardness | 9 |
| Luster | Silky |
Adamantine spar is a silky brown variety of corundum. It has a hardness of 9 on the Mohs scale.
See also
References
- ↑ "Adamantine Spar". Archived from the original on 18 October 2007. Retrieved September 15, 2007.
 | This article about a specific mineral or mineraloid is a stub. You can help Wikipedia by adding missing information. |