Isocubanite
A variety of Minerals
What is Isocubanite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Isocubanite 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.
Isocubanite Localities Map
See where Isocubanite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Bronze yellow brown
- Hardness (Mohs)
- 3.5
- Density
- 4.075 g/cm³
Chemical Properties
- Chemical Formula
- CuFe2S3
- Elements
- Cu, Fe, S
Also Known As

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


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