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)
cubiccommonSulfides
Pyrite
FeS₂
This specimen displays lustrous, pale brass-yellow pyrite crystals, exhibiting characteristic striations and a twinned habit, possibly interpenetrant cubes or pyritohedra, with some minor matrix.
Pyrite Physical Properties
Mohs Hardness
6Crystal System
cubicLuster
metallicStreak Color
greenish-blackCleavage
indistinctFracture
conchoidalSpecific Gravity
5Colors
pale brass-yellow, goldenTransparency
opaqueType Locality
Quiruvilca Mine, La Libertad Department, PeruMineral Group
SulfidesUses
sulfuric acid production, industrial, collector specimensAssociated Minerals
quartz, calcite, galena, sphalerite, chalcopyriteRarity
commonGeological Context
Pyrite forms in a wide range of geological environments, including hydrothermal veins, sedimentary rocks, and metamorphic rocks, often associated with other sulfide minerals.
