General Information:
Chemical Formula:CdS
Composition:(Molecular Weight = 144.48 gm)Cadmium 77.81 %
CdSulfur 22.19 %
S Empirical Formula: CdS
Environment:Traprock cavities and ore veins.
Locality:Greenock, Scotland.
Name Origin:Named after Lord Greenock (Ch. M. Cathcart 1783-1859).
Physical Properties: Cleavage:[1120] Distinct, [0001] Imperfect
Color:honey yellow, citron yellow, or orange yellow.
Density:3.98 - 5, Average = 4.49
Diaphaniety:Transparent
Habits:Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Encrustations - Forms crust-like aggregates on matrix., Colloform - Forming from a gel or coll oidal mass.
Hardness:3.5-4 - Copper Penny-Flourite
Luminescence:None.
Luster:Adamantine - Resinous
Streak:orange yellow
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