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Sphalerite with Chalcopyrite

#WR55185

Sphalerite with Chalcopyrite

#WR55185
Availability
Available
Price
$75.00
Size
9 x 6 x 4.5 cm - Sm Cabinet 
Formula
ZnS (RRUFF)
Locality
Picher, Tri-State Dist., Oklahoma, United States
Tagged
sulfide

Large deep red Sphalerite crystals with greasy luster to 2cm. In strong lighting the reds and yellowish green colors of the Sphalerite come alive. On the Sphalerite crystals are epitaxial Chalcopyrite crystals to 3mm. 

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.

Collection
Willard L. Roberts Collection

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