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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
- WebMineral
- View Greenockite
- Mindat
- View Greenockite
Greenockite from New Hartman mine, Lehigh Co., Pennsylvania, United States

Yellow pulverulent coating.
Greenockite from Siglo Veinte mine, Llallagua, Bolivia

Hundreds of perfect deep red Greenockite crystals to about 0.5mm.
Greenockite from Block 14 Opencut, Broken Hill, New South Wales, Australia

Yellowish green coatings of Greenockite with slender crysals of Anglesite in Galena with also a little garnet.
Greenockite from Joplin dist., Jasper Co., Missouri, United States

Yellow crusts on Galena.
Greenockite from Monte Cristo mine, Rush Creek dist., Marion Co., Arkansas, United States
Bright yellow coatings on Quartz and associated with Sphalerite. Rich.
Greenockite from Richmond mine, Eureka Co., Nevada, United States
Bright yellow pulverulent coatings.
Greenockite from Fall Hill Quarry, Ashover, Derbyshire, England
Greenockite coated Quartz and Fluorite crystals with a bit of later stage Sphalerite crystals to 0.75mm.
Greenockite from Outlaw mine, Wickenburg, Maricopa Co., Arizona, United States
Pulverulent coatings of bright orange Greenockite on Sphalerite. Note that cadmium will sometimes substitute for the zinc in the Sphalerite, which is how the Greenockite will form.
Greenockite from Katerina Coal Mine, Radvanice, Bohemia, Czech Republic
Orange stubby, less than 0.75mm, bladed Greenockite with very elongated acicular crystals of Greenockite to 2mm. Very interesting crystal development from mostly very tiny abundant to sparse long acicular crystals. See Jason Smith's incredible photo on Mindat.