mineral
Blue-green crystal point, likely fluorite
Fluorite (CaF₂), tentative visual identification
AI-generated identification · may be incorrectTranslucent blue-green, glassy luster, cubic crystal habit; fluorite has Mohs hardness 4 and perfect octahedral cleavage. The image alone does not show enough detail for a confident identification.
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Physical properties
Translucent blue-green, glassy luster, cubic crystal habit; fluorite has Mohs hardness 4 and perfect octahedral cleavage. The image alone does not show enough detail for a confident identification.
Formation & geological history
Fluorite typically crystallizes from hydrothermal fluids in veins and cavities, often alongside quartz and calcite; deposits range from ancient to geologically recent.
Uses & applications
Used as a collector specimen and gemstone; industrial fluorite is an important source of fluorine and flux in metal smelting.
Geological facts
Fluorite commonly forms cubic crystals, though cleavage can produce octahedral fragments; its color varies widely.
Field identification & locations
The pointed, transparent blue-green form may be a natural crystal or a cut specimen. Confirm with hardness, cleavage, and mineral testing; common sources include China, Mexico, and the United States.
