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Sphalerite in Stibnite

#50248

Sphalerite in Stibnite

#50248
Availability
Sold
Size
3.2 x 3.3 x 2 cm - Miniature 
Formula
ZnS (RRUFF)
Locality
Wheal Boys, Port Isaac, St. Endellion, Cornwall, England
Tagged
sulfide

Massive steel grey Stibnite with grains of brownish red Sphalerite. A locality specimen.

Sphalerite

Formula
ZnS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Granular, Colloform 
Cleavage
Perfect, Perfect, Perfect 
Luster
Resinous - Greasy 
Color
brown, yellow, red, green, black 
Streak
brownish white 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

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