mineral

Possibly pale-green fluorite crystals

Fluorite (calcium fluoride, CaF₂)

AI-generated identification · may be incorrect

The image shows several small, pale green, blocky crystals, a shape and color consistent with fluorite, but fine details are indistinct. Fluorite has Mohs hardness 4, a vitreous luster, cubic crystals, and four directions of perfect octahedral cleavage.

Identified September 24, 2026More mineral →

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Physical properties

Formation & geological history

Fluorite commonly crystallizes from hydrothermal fluids in veins and cavities, often alongside calcite, quartz, or sulfide minerals. It forms in many geological periods; the specimen’s age and locality cannot be determined from the image.

Uses & applications

Used as an industrial source of fluorine and in metallurgical flux; clear, colorful crystals are also collected and sometimes cut for jewelry.

Geological facts

Fluorite fluoresces under ultraviolet light in some specimens, a property named after the mineral.

Field identification & locations

Look for cubic crystals, glassy faces, and distinctive octahedral cleavage; fluorite is found worldwide, including China, Mexico, and the United States. The image is too small for a confident identification, so other pale-green minerals are possible.