Pyrite is an opaque yellow mineral with a metallic luster. Its cubic crystal system is evident in its outward appearance and specimens are often cube-shaped.


Gemological Information for Pyrite

Color: Metallic Yellow to Gold or Bronze
Crystal Structure Cubic
Refractive Index: Over the Limits (>1.81)
Durability: Good
Hardness: 6.0 to 6.5
Similar Stones: Gold (color only)
Treatments: None
Country of Origin: United States, Brazil, Peru

Pyrite Care

Ultrasonic Cleaning: Safe
Steam Cleaning: Safe
Warm Soapy Water: Safe
Chemical Attack: Nitric Acid will dissolve Pyrite, can tarnish over time
Light Sensitivity: None
Heat Sensitivity: Fuses under Torch