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Fluorite

#48516
Fluorite from Frazers Hush mine, Weardale, Co. Durham, England - 48516
Fluorite from Frazers Hush mine, Weardale, Co. Durham, England - 48516

Fluorite

#48516
Availability
Available
Price
$550.00
Size
12 x 10 x 9 cm - Cabinet 
Reduced Price
$425.00
Formula
CaF2 (RRUFF)
Locality
Frazers Hush mine, Weardale, Co. Durham, England

It is a large cabinet specimen which shows much better in person. The Fluorite crystals  are a light purple and are very glassy and lustrous. The larger crystals are up to 1cm in size and show no appreciable damage aside from a few along the edges. The color match in the photos are close but again show much better in-hand. I am assuming it is fluorescent, but cannot check since my UV light is dead. I've had it since I was eight!

Fluorite

Formula
CaF2 
Crystal System
Isometric 
Crystal Habit
Crystalline - Coarse, Massive - Granular, Disseminated 
Cleavage
Three perfect, octahedral cleavages. 
Luster
Vitreous (Glassy) 
Color
purple, clear, yellow, green, red, blue 
Streak
white 
Geological Setting
Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
4 

Data courtesy of Webmineral.

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