- a yellow mineral, cadmium sulfide, CdS, associated with zinc ores and used as a source of cadmium.
Origin of greenockite
1840–45; named after Charles Cathcart, Lord Greenock (1807–43), Englishman who discovered it; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for greenockite
The zinc oxide minerals in the surficial zone also are sometimes colored yellow by small amounts of greenockite.The Economic Aspect of Geology
C. K. Leith
Isomorphous with greenockite is the hexagonal zinc sulphide (ZnS) known as wurtzite.
Cadmium occurs in nature as cadmium sulphide in greenockite, CdS, which is very rare.A Textbook of Assaying: For the Use of Those Connected with Mines.
Cornelius Beringer and John Jacob Beringer
It occurs in combination with sulphur in greenockite, and in some ores of zinc.
- a rare yellowish mineral consisting of cadmium sulphide in hexagonal crystalline form: the only ore of cadmium. Formula: CdS
C19: named after Lord C. C. Greenock, 19th-century English soldier
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012