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 vibrant purple, translucent fluorite crystals, often forming well-defined cubic or octahedral habits, intergrown with white quartz crystals.
Fluorite Physical Properties
Mohs Hardness
4Crystal System
cubicLuster
vitreousStreak Color
whiteCleavage
perfect octahedral on {111}Fracture
conchoidal to unevenSpecific Gravity
3.18Colors
purple, green, blue, yellow, colorless, pink, brownTransparency
transparentType Locality
Yaogangxian Mine, Yizhang County, Chenzhou Prefecture, Hunan Province, ChinaMineral Group
HalidesUses
flux in steelmaking, source of fluorine and hydrofluoric acid, optical lenses, jewelry, collector specimensAssociated Minerals
quartzRarity
commonGeological Context
Fluorite commonly forms in hydrothermal veins, often associated with metallic ores, and can also be found in sedimentary rocks, pegmatites, and carbonatites.
