Native cadmium sulphide a mineral occurring in yellow hexagonal crystals also as an earthy incrustation
- ore of cadmium; an uncommon yellow mineral comprising cadmium sulphide in crystalline form
- local cadmium sulphide, a mineral occurring in yellow hexagonal crystals, additionally as a natural incrustation.
(n.) local cadmium sulphide, a mineral occurring in yellowish hexagonal crystals, additionally as an earthy incrustation.
Cadmium sulphide, CdS, occurs naturally as greenockite (q.v.), and can be artificially prepared by passing sulphuretted hydrogen through acid solutions of soluble cadmium salts, when it is precipitated as a pale yellow amorphous solid.