mineral
Fluorite
Calcium Fluoride (CaF2)
AI-generated identification · may be incorrectHardness of 4 on the Mohs scale, variable colors including green and purple, vitreous luster, and 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 green and purple, vitreous luster, and perfect octahedral cleavage.
Formation & geological history
Forms primarily as a hydrothermal vein mineral associated with metallic ores, and also in sedimentary limestone cavities.
Uses & applications
Used extensively in the manufacture of steel, optical lenses, and as a popular mineral specimen for collectors.
Geological facts
Fluorite is the defining mineral for a hardness of 4 on the Mohs scale and exhibits strong fluorescence under UV light.
Field identification & locations
Easily identified by its relatively low hardness and perfect cleavage; found globally with notable deposits in China, Mexico, and the UK.
