Formula :
CdS
System: hexagonal Hardness:3-3½ Rarity:rare
Strunz id:II/C.13-30 -
SULFIDES
Name origin: Named in 1840 by Henry James Brooke and Arthur Connell for Lord Greenock - later Earl Charles Murray Cathcart, 2nd Earl Cathcart December 21, 1783 Walton-on-the-Naze, Essex, England, UK - July 16, 1859 St Leonards-on-Sea, Hastings, England, UK]. Earl Charles Murray Cathcart was a general in the British army and served as Governor of the Province of Canada. He was also author of two papers: one on igneous rocks in Edinburgh, Scotland and one on coal in the southern Scotland.
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