Inyoite
A variety of Inderite Group
What is Inyoite?
Inyoite, named after Inyo County, California, where it was discovered in 1914, is a colourless monoclinic mineral. It turns white on dehydration. Its chemical formula is Ca(H4B3O7)(OH)·4H2O or CaB3O3(OH)5·4H2O.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Inyoite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Quick Facts
Physical Properties
- Color
- Colourless, turning white upon partial dehydration; colourless in transmitted light
- Hardness (Mohs)
- 2
- Rock tumbling
- Not recommended
- Density
- 1.875 g/cm³
Chemical Properties
- Chemical Formula
- Ca(H4B3O7)(OH) · 4H2O
- Elements
- B, Ca, H, O
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Inyoite FAQs
How do I identify Inyoite?
Inyoite can be identified by its hardness of 2 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Inyoite?
Inyoite typically appears in Colourless, turning white upon partial dehydration; colourless in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Inyoite?
Inyoite has a hardness of 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
