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Greenockite on Sphalerite with Chalcopyrite

#PD32550

Greenockite on Sphalerite with Chalcopyrite

#PD32550
Availability
Sold
Size
6.5 x 5 x 6 cm - Sm Cabinet 
Formula
CdS (RRUFF)
Locality
Joplin dist., Jasper Co., Missouri, United States
Tagged
sulfide

A mineralogically interesting specimen with epitaxial Chalcopyrite crystals to 2mm on Sphalerite crystals with a fine green crust of Greenockite. Old specimen.

Greenockite

Formula
CdS 
Crystal System
Hexagonal 
Crystal Habit
Radial, Encrustations, Colloform 
Cleavage
Distinct, Imperfect, None 
Luster
Adamantine - Resinous 
Color
honey yellow, citron yellow, orange yellow 
Streak
orange yellow 
Class
Hexagonal - Dihexagonal Pyramidal 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Phillips Collection

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