Vanthoffite
A variety of Minerals
What is Vanthoffite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Vanthoffite 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, gray, pale yellow; colourless in transmitted light
- Hardness (Mohs)
- 3.5
- Rock tumbling
- Not recommended
- Density
- 2.687 g/cm³
- Streak
- Colourless
Chemical Properties
- Chemical Formula
- Na6Mg(SO4)4
- Elements
- Mg, Na, O, S
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Vanthoffite FAQs
How do I identify Vanthoffite?
Vanthoffite can be identified by its hardness of 3.5 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Vanthoffite?
Vanthoffite typically appears in Colourless, gray, pale yellow; colourless in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Vanthoffite?
Vanthoffite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.
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