Walstromite
A variety of Minerals
What is Walstromite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Walstromite 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.
Walstromite Localities Map
See where Walstromite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless to white
- Hardness (Mohs)
- 3.5
Chemical Properties
- Chemical Formula
- BaCa2(Si3O9)
- Elements
- Ba, Ca, O, Si

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Walstromite FAQs
How do I identify Walstromite?
Walstromite can be identified by its hardness of 3.5 on the Mohs scale, Colourless to white color. Look for these key characteristics when examining specimens.
What color is Walstromite?
Walstromite typically appears in Colourless to white. Color can vary depending on impurities and formation conditions.
How hard is Walstromite?
Walstromite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.


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