mineral

Green fluorite (probable)

Fluorite, calcium fluoride (CaF₂)

AI-generated identification · may be incorrect

Pale green, translucent mineral with vitreous luster and likely cubic crystal structure; perfect octahedral cleavage, Mohs hardness 4, and specific gravity about 3.18. The rough fragment’s color and blocky cleavage are consistent with fluorite, though image-only identification is tentative.

Identified August 28, 2026More mineral →

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Physical properties

Formation & geological history

Forms mainly in hydrothermal veins and cavities, commonly alongside quartz, calcite, and sulfide minerals. Deposits range from Paleozoic to younger ages and occur in many geological settings.

Uses & applications

Used industrially as a flux in steel and aluminum production and as a source of fluorine; transparent colorful specimens are collected and occasionally cut as gemstones, although softness limits jewelry use.

Geological facts

Fluorite often fluoresces blue, purple, green, or cream under ultraviolet light, and its name derives from its use as a metallurgical flux.

Field identification & locations

Common localities include China, Mexico, England, the United States, and Morocco. Test cautiously for octahedral cleavage and hardness: a steel nail should scratch it; verify with a loupe, UV light, or mineral testing if needed.