mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Hardness: 4 on Mohs scale. Color: Pale to mint green with translucent to vitreous luster. Crystal structure: Isometric (cubic/octahedral). Cleavage: Perfect octahedral. Specific gravity: 3.18.

Hardness: 4 on Mohs scale
Color: Pale to mint green with translucent to vitreous luster

Identified June 8, 2026More mineral →

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Physical properties

Hardness: 4 on Mohs scale. Color: Pale to mint green with translucent to vitreous luster. Crystal structure: Isometric (cubic/octahedral). Cleavage: Perfect octahedral. Specific gravity: 3.18.

Formation & geological history

Formed through hydrothermal activity where hot, mineral-rich fluids circulate through fractures in rocks, cool, and deposit crystals. Often found in vein deposits associated with lead or zinc ores.

Uses & applications

Used as a flux in steel making, in the manufacture of opalescent glass, and as a source of fluorine. High-quality specimens are popular for metaphysical use, lapidary carvings, and mineral collections.

Geological facts

Fluorite was the first mineral for which the property of 'fluorescence' was named. It glows under ultraviolet light. Pure fluorite is colorless; the green color is caused by impurities or structural defects in the crystal lattice.

Field identification & locations

Identify by its characteristic green color and relatively low hardness (can be scratched by a steel knife but not a penny). Look for the 90-degree or triangular cleavage planes. Found globally in sites like China, Mexico, and Illinois (USA).