Pigments:

Black pigments
Blue pigments
Brown pigments
Green pigments
Other pigments
Red pigments
White pigments
Yellow pigments
Art Supplies

§CRY: - Chrome Yellow
Lead chromate.
§GAM: - Gamboge
Plant resin. CAution! Purgative!
IGO: - Italian Gold Ochre
Almost as nice as SGO.
§MAS: - Massicot
Yellow lead oxide.
§ORP: - Orpiment Mineral
Arsenic sulfide.
YO: - Yellow Ochre
Precipitated iron oxide.
 

§ = Can be toxic!
For more info about a pigment, including safety info, click on it.

CRY
GAM
IGO
ORP
YO

The colors above are an approximation of what the pigments will look like when applied.  I sell a color sheet, which can give you a very accurate idea of what the pigments I sell look like when applied.