1.95" Deep Purple Fluorite Crystal Cluster - Qinglong Mine, China

Deep Purple Fluorite Crystal Cluster - Qinglong Mine, China #255752

This is a gorgeous 1.95" wide cluster of deep purple cubic fluorite crystals on matrix. It comes from the Qinglong Mine (Dachang Mine) in the Guizhou Province of China, a mine known for the interesting fluorite crystals it produces. Under shortwave UV, the entire specimen fluoresces a deep purple color. This specimen has been mounted with mineral tack for museum-quality display.

Fluorite is a halide mineral comprised of calcium and fluorine, CaF2. The word fluorite is from the Latin fluo-, which means "to flow". In 1852 fluorite gave its name to the phenomenon known as fluorescence, or the property of fluorite to glow a different color depending upon the bandwidth of the ultraviolet light it is exposed to. Fluorite occurs commonly in cubic, octahedral, and dodecahedral crystals in many different colors. These colors range from colorless and completely transparent to yellow, green, blue, purple, pink, or black. Purples and greens tend to be the most common colors seen, and colorless, pink, and black are the rarest.

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