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0 item @ $0.00  

Greenockite on Sphalerite

#AH53385

Greenockite on Sphalerite

#AH53385
Availability
Sold
Size
4.5 x 4.5 x 2.5 cm - Miniature 
Formula
CdS (RRUFF)
Locality
San Juan Vein, Patch mine, Gilpin Co., Colorado, United States
Tagged
sulfide

The more I look at this specimen the more I am impressed. If you are like me and enjoy the studying the paragenesis of the mineralogy, you will thoroughly enjoy this piece. The color of the Greenockite sets it apart from the rest of the minerals. It is a coating on the surface of the Sphalerite crystals which are black and superb to 3mm. In the open spaces, waterclear Quartz formed at the center and along the outer edges of the vein.

There are only a handful of reported Greenockite in Colorado. This specimen carries a Red Mountain Exploration tag.

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
Arnold G Hampson Collection

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