Chalcopyrite
Location not listed · Listed 15/Aug/2026
Specimen facts
- Kind
- mineral
- Formula
- CuFeS2
- Hardness
- 3.5–4
- Luster
- Metallic
- Colors
- Brassy yellow, iridescent tarnish
- Typical market
- $0.05–$5.00 / ct · typical specimen
Chalcopyrite is a copper iron sulfide mineral with a metallic luster and brassy yellow color. It's the most important copper ore and is found in many types of mineral deposits.
Identify by its brassy yellow color and greenish-black streak.
Collector
danish
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