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0 item @ $0.00  

Fluorite with Calcite

#AH54236

Fluorite with Calcite

#AH54236
Availability
Sold
Size
8.5 x 8 x 5.5 cm - Sm Cabinet 
Formula
CaF2 (RRUFF)
Locality
Denton mine, Hardin Co., Illinois, United States

Excellent specimen for display and to marvel over. The Fluorite is color-zoned with dark purple edges and a yellow core. It transmits light quite well to show the colors. The 4-5mm Calcite crystals have a Malachite staining. One crystal is cleaved, but does not distract from the overall beauty.

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.

Collection
Arnold G Hampson Collection
Mineralpedia
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