Willemseite
A variety of Minerals
What is Willemseite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Willemseite 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.
Willemseite Localities Map
See where Willemseite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Light green
Chemical Properties
- Chemical Formula
- Ni3Si4O10(OH)2
- Elements
- H, Ni, O, Si
Also Known As

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Willemseite FAQs
How do I identify Willemseite?
Willemseite can be identified by its Light green color. Look for these key characteristics when examining specimens.
What color is Willemseite?
Willemseite typically appears in Light green. Color can vary depending on impurities and formation conditions.


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