Cassidyite
A variety of Minerals
What is Cassidyite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Cassidyite 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.
Cassidyite Localities Map
See where Cassidyite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale green to bright green.
- Hardness (Mohs)
- 3.5
Chemical Properties
- Chemical Formula
- Ca2Ni(PO4)2 · 2H2O Ni may be replaced by minor Mg.
- Elements
- Ca, H, Ni, O, P
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Cassidyite FAQs
How do I identify Cassidyite?
Cassidyite can be identified by its hardness of 3.5 on the Mohs scale, Pale green to bright green. color. Look for these key characteristics when examining specimens.
What color is Cassidyite?
Cassidyite typically appears in Pale green to bright green.. Color can vary depending on impurities and formation conditions.
How hard is Cassidyite?
Cassidyite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.
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