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Jalpaite

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SKY602620

Jalpaite

Rare Mineral

Description Tabs

Description
Locality: 
Tepic, Municipio De Tepic, Nayarit, Mexico
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.5 × 0.2 cm
Description

Metallic black crystals of the very rare mineral jalpaite . Jalpaite is a silver-copper sulphide mineral.

Sharp jalpaite crystals in this quality (see first photo) are rarely seen in the mineral market.

Mineral Data
What's on the rock

Jalpaite

Formula: 
Ag3CuS2
Strunz: 
2.BA.45
Crystal System: 
Tetragonal - Ditetragonal Dipyramidal
Hardness: 
2.0 - 2.5
Streak: 
Black
Type Locality: 
Leonora Mine, Jalpa, Mun. de Jalpa, Zacatecas, Mexico

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