Oxy-chromium-dravite
Properties
| Formula | NaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O |
| Abbreviation | Ocdrv |
| Classification | Tourmaline |
| IMA Status | Approved (IMA 2011-097) |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Hydroxide , Mineral, Borate |
Composition
| Element | Atoms |
|---|---|
| Cr | 7 |
| B | 3 |
| O | 31 |
| Na | 1 |
| H | 3 |
| Mg | 2 |
| Si | 6 |
| Total: | 53 |