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Fluorite on Albite

#57183
Fluorite from Upper Cramer Lake, Custer Co., Idaho, United States - 57183
Fluorite from Upper Cramer Lake, Custer Co., Idaho, United States - 57183

Fluorite on Albite

#57183
Availability
Available
Price
$45.00
Size
3.5 x 4 x 2.5 cm - Miniature 
Reduced Price
$15.00
Formula
CaF2 (RRUFF)
Locality
Upper Cramer Lake, Custer Co., Idaho, United States

Light green mal-formed octahedral crystals of Fluorite to 2mm on Albite with Quartz. This is a good locality specimen with Fluorite being very rare.

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.

Collection
Chris van Laer Collection
Mineralpedia
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