Meyerhofferite
A variety of Minerals
What is Meyerhofferite?
Meyerhofferite is a hydrated borate mineral of calcium, with the chemical formula Ca2B6O6(OH)10·2H2O, CaB3O3(OH)5·H2O or Ca2(H3B3O7)2·4H2O. It occurs principally as an alteration product of inyoite, another borate mineral. Natural meyerhofferite was discovered in 1914 in Death Valley, California It is named for German chemist Wilhelm Meyerhoffer (1864–1906), collaborator with J. H. van't Hoff on the composition and origin of saline minerals, who first synthesized the compound.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Meyerhofferite 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.
Meyerhofferite Localities Map
See where Meyerhofferite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless, white
- Hardness (Mohs)
- 2
- Density
- 2.116 g/cm³
Chemical Properties
- Chemical Formula
- Ca2(H3B3O7)2 · 4H2O
- Elements
- B, Ca, H, O
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Meyerhofferite FAQs
How do I identify Meyerhofferite?
Meyerhofferite 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 Meyerhofferite?
Meyerhofferite typically appears in Colourless, white. Color can vary depending on impurities and formation conditions.
How hard is Meyerhofferite?
Meyerhofferite has a hardness of 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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