Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)
orthorhombicuncommonSulfides
Enargite
Cu3AsS4
The image displays a specimen of Enargite, characterized by its dark, metallic luster and blocky to prismatic crystal habit. It appears as a highly lustrous, dark gray to black mineral.
Enargite Physical Properties
Mohs Hardness
3Crystal System
orthorhombicLuster
metallicStreak Color
grayish-blackCleavage
perfect on {110}, distinct on {100} and {010}Fracture
unevenSpecific Gravity
4.45Colors
grayish-black, iron-black, brownish-black, violet-blackTransparency
opaqueType Locality
Pasto Bueno District, Pallasca Province, Ancash Department, PeruMineral Group
SulfidesUses
copper ore, collectorAssociated Minerals
pyrite, chalcopyrite, sphalerite, galena, bornite, tetrahedrite, tennantite, quartz, bariteRarity
uncommonGeological Context
Enargite typically forms in medium- to low-temperature hydrothermal veins, often found in association with other sulfide minerals in copper deposits. It is a significant ore mineral for copper.
