Nobleite
A variety of Minerals
What is Nobleite?
Nobleite is a rare borate mineral with the chemical formula CaB6O9(OH)2·3H2O. It was discovered in 1961, in Death Valley, California, and is named for Levi F. Noble, a USGS geologist, in honor of his contributions to the geology of the Death Valley region. Nobleite has also been identified at two localities in Chile and Argentina.
Nobleite Market Value Calculator
Estimate the market value of Nobleite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Nobleite Localities Map
See where Nobleite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Colorless, white
- Hardness (Mohs)
- 3
- Streak
- White
Chemical Properties
- Chemical Formula
- CaB6O9(OH)2 · 3H2O
- Elements
- B, Ca, H, O
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