Tags: Chemical Substance, Mineral.
Hawleyite is a rare sulfide mineral in the sphalerite group dimorphous and easily confused with greenockite. Chemically it is a cadmium sulfide and occurs as a bright yellow coating on sphalerite or siderite in vugs deposited by meteoric waters.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 (1897โ1965) a professor at Queen’s University in Ontario Canada.