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0 item @ $0.00  

Fluorite

#49499

Fluorite

#49499
Availability
Sold
Size
17 x 8 x 8 cm - Cabinet 
Formula
CaF2 (RRUFF)
Locality
Minerva #1 mine, Hardin Co., Illinois, United States

Dark purple cubic crystals in large cluster. Some chips here and there otherwise ok.

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

Data courtesy of Webmineral.

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