Zirconolite
A variety of Minerals
What is Zirconolite?
Zirconolite is a mineral, calcium zirconium titanate; formula CaZrTi2O7. Some examples of the mineral may also contain thorium, uranium, cerium, niobium and iron; the presence of thorium or uranium would make the mineral radioactive. It is black or brown in color.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Zirconolite 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.
Zirconolite Localities Map
See where Zirconolite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black to brown, red
- Hardness (Mohs)
- 5.5
- Streak
- Dark brown, brownish yellow
Chemical Properties
- Chemical Formula
- CaZrTi2O7
- Elements
- Ca, O, Ti, Zr
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Zirconolite FAQs
How do I identify Zirconolite?
Zirconolite can be identified by its hardness of 5.5 on the Mohs scale, Black to brown color. Look for these key characteristics when examining specimens.
What color is Zirconolite?
Zirconolite typically appears in Black to brown, red. Color can vary depending on impurities and formation conditions.
How hard is Zirconolite?
Zirconolite has a hardness of 5.5 on the Mohs scale. This gives it moderate hardness.
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