Nobleite
CaB6O9(OH)2 • 3H2O [CNMNC approved formula]
Named for Levi F. Noble ( ), Geologist, USGS for his contributions to the geology of the Death Valley region.
| IMA status : | Approved Species 1961 () |
| CLASSIFICATION | |
| Dana (8th edition) : |
26.06.06.01 |
| (26) Hydrated Borates Containing Hydroxyl or Halogen | |
| (26.06) | |
| (26.06.06) | |
| Nickel-Strunz (10th edition) : |
06.FC.05 |
| (06) Borates | |
| (06.F) Hexaborates | |
| (06.FC) Phyllo-hexaborates | |
| Crystal system: | Monoclinic System |
| Point group (H-M): | 2/m — prismatic |