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)
cubiccommonHalides
Fluorite
CaF₂
This specimen features translucent to transparent orange fluorite crystals, predominantly cubic in habit, often twinned, associated with metallic, brassy pyrite crystals.
Fluorite Physical Properties
Mohs Hardness
4Crystal System
cubicLuster
vitreousStreak Color
whiteCleavage
perfect octahedral (four directions)Fracture
subconchoidalSpecific Gravity
3.18Colors
colorless, white, purple, blue, green, yellow, orange, pink, brownTransparency
transparentType Locality
Huanzala Mine, Huallanca District, Dos de Mayo Province, PeruMineral Group
HalidesUses
flux in steelmaking, hydrofluoric acid production, optical lenses, jewelry, collectorAssociated Minerals
pyrite, quartz, calcite, barite, galena, sphaleriteRarity
commonGeological Context
Fluorite commonly forms in hydrothermal veins, often associated with metallic ore deposits, and can also be found in granites, pegmatites, and some sedimentary rocks.
