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2.15" Botryoidal Green Fluorite Formation - Nancy Hanks Mine, Colorado
This is a unique formation of botryoidal green fluorite that shows multiple generations of fluorite growth along the periphery. It's old stock material that came out of the Nancy Hanks mine in Mesa County, Colorado, collected when the mine was still in operation.
The fluorite exhibits a stunning blue-purple fluorescence under shortwave ultraviolet light.
The fluorite exhibits a stunning blue-purple fluorescence under shortwave ultraviolet light.
About Fluorite
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.
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.
SPECIES
Fluorite
LOCATION
Nancy Hanks Mine, Unaweep Mining District, Mesa County, Colorado
SIZE
Entire specimen: 2.15 x 1.55"
CATEGORY
SUB CATEGORY
ITEM
#251974
