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Fluorite with Gearksutite & Pyrite

#PD32081

Fluorite with Gearksutite & Pyrite

#PD32081
Availability
Sold
Size
4.5 x 3 x 2.5 cm - Miniature 
Formula
CaF2 (RRUFF)
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland

Light purple crystalline Flourite throughout matrix with white Gearksutite and minor Pyrite.

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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