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Enargite

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MGR803865

Enargite

Rare Mineral

Description Tabs

Description
Locality: 
Quiruvilca Mine, Quiruvilca District, Santiago de Chuco Province, Libertad Department, Peru
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.8 × 6.4 × 6 cm
Description

An outstanding piece of this rare mineral - the locality produced the probably best pieces of the species. But even there were large and lustrous crystals, most times they formed only ugly clusters. This specimen shows a very rare and uncommon aesthetic assemble. This is caused by matrix, isolated crystals and excellent contrast to dolomite crystals. These tiny cream-colored dolomite crystals cover larger quartz crystals, which gave this aesthetic silhouette to the piece. Truely exceptional for enargite in general! In excellent condition damage-wise!

Mineral Data
What's on the rock

Enargite

Formula: 
Cu3AsS4
Strunz: 
2.KA.05
Crystal System: 
Orthorhombic
Hardness: 
3.0
Streak: 
Black.
Type Locality: 
San Francisco vein, Morococha District, Yauli Province, Junín Department, Peru