
mineral
Fluorite
Calcium Fluoride (CaF2)
AI-generated identification · may be incorrectHardness of 4 on the Mohs scale, variable colors including purple and green, vitreous luster, and cubic crystal system with perfect octahedral cleavage.
Identified More mineral →
Explore Fluorite in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 4 on the Mohs scale, variable colors including purple and green, vitreous luster, and cubic crystal system with perfect octahedral cleavage.
Formation & geological history
Formed in hydrothermal veins and sedimentary rock cavities, precipitating from fluorine-bearing solutions.
Uses & applications
Used in metallurgy as a flux, in the manufacturing of optical equipment, and as a popular collector gemstone.
Geological facts
Fluorite is the mineral defining hardness 4 on the Mohs scale and exhibits strong fluorescence under ultraviolet light.
Field identification & locations
Easily identified by its cubic crystals, perfect cleavage, and relatively low hardness. Found worldwide in locations like China, Mexico, and the USA.
More like this
Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Limonite
FeO(OH)•nH2O
mineral
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic