Mineralpedia Details for Jalpaite
Jalpaite
- Formula
- Ag3CuS2
- Crystal System
- Tetragonal
- Luster
- Metallic
- Color
- gray, dark gray
- Streak
- black
- Class
- Tetragonal - Ditetragonal Dipyramidal
- Fracture
- Sectile
- Hardness
- 2-2.5
- WebMineral
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Jalpaite from La Mesa, Chihuahua, Mexico
Rare Jalpaite, a silver copper sulfide, as grey metallic masses in matrix with native Silver. Excellent specimen.
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