Hawleyite

A variety of Minerals

Hawleyite specimen - rock identification

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.

Hawleyite Market Value Calculator

Estimate the market value of Hawleyite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

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Hawleyite Localities Map

See where Hawleyite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

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More Images

Hawleyite specimen 2
© Robert M. Lavinsky

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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