Inyoite

A variety of Inderite Group

Inyoite specimen

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.

Applies to all rocks & minerals.

Inyoite Localities Map

See where Inyoite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

Physical Properties

Color
Colourless, turning white upon partial dehydration; colourless in transmitted light
Hardness (Mohs)
2
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.

Related Inderite Group

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