Hawleyite
A variety of Minerals
What is Hawleyite?
Hawleyite is a rare sulfide mineral in the sphalerite group, dimorphous and easily confused with greenockite. Chemically, it is cadmium sulfide, and occurs as a bright yellow coating on sphalerite or siderite in vugs, deposited by meteoric water. It was discovered in 1955 in the Hector-Calumet mine, Keno-Galena Hill area, Yukon Territory and named in honour of mineralogist James Edwin Hawley (1897–1965), a professor at Queen's University in Ontario, Canada.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Hawleyite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Hawleyite Localities Map
See where Hawleyite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- Bright yellow
- Hardness (Mohs)
- 2.5 - 3
- Density
- 4.87 g/cm³
Chemical Properties
- Chemical Formula
- CdS
- Elements
- Cd, S
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Hawleyite FAQs
How do I identify Hawleyite?
Hawleyite can be identified by its hardness of 2.5 - 3 on the Mohs scale, Bright yellow color. Look for these key characteristics when examining specimens.
What color is Hawleyite?
Hawleyite typically appears in Bright yellow. Color can vary depending on impurities and formation conditions.
How hard is Hawleyite?
Hawleyite has a hardness of 2.5 - 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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