Varennesite
A variety of Minerals
What is Varennesite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Varennesite 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.
Varennesite Localities Map
See where Varennesite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale brownish-yellow to orange
- Hardness (Mohs)
- 4
- Streak
- White
Chemical Properties
- Chemical Formula
- Na8Mn2Si10O25(OH,Cl)2 · 12H2O
- Elements
- Cl, H, Mn, Na, O, Si

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Varennesite FAQs
How do I identify Varennesite?
Varennesite can be identified by its hardness of 4 on the Mohs scale, Pale brownish-yellow to orange color. Look for these key characteristics when examining specimens.
What color is Varennesite?
Varennesite typically appears in Pale brownish-yellow to orange. Color can vary depending on impurities and formation conditions.
How hard is Varennesite?
Varennesite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.


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