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0 item @ $0.00  

Fluorite with Chalcopyrite

#PD32160

Fluorite with Chalcopyrite

#PD32160
Availability
Sold
Size
10 x 6 x 7 cm - Cabinet 
Formula
CaF2 (RRUFF)
Locality
Denton mine, Hardin Co., Illinois, United States

Larger specimen of two large Fluorite crystals side-by-side with numerous Chalcopyrite crystals to 3mm occupying the many crevices produced by deep growth hillocks. Along side several Chalcopyrite crystals are 2-3mm Calcite crystals.

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
Phillips Collection
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