greenockite

/gree-nuh-kahyt/US // ˈgri nəˌkaɪt //UK // (ˈɡriːnəˌkaɪt) //

绿泥石,绿皮石,绿宝石,绿巨人

Definitions

n.名词 noun

1
- : a yellow mineral, cadmium sulfide, CdS, associated with zinc ores and used as a source of cadmium.

Cadmium occurs in nature as cadmium sulphide in greenockite, CdS, which is very rare.
Isomorphous with greenockite is the hexagonal zinc sulphide (ZnS) known as wurtzite.
It occurs in combination with sulphur in greenockite, and in some ores of zinc.
The zinc oxide minerals in the surficial zone also are sometimes colored yellow by small amounts of greenockite.