Pigments:

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

BCH: - Bolognese Chalk Powder
Presumably from Bologna, Italy.
§CER: - Ceruse
Lead carbonate {basic}.
GYP: - Gypsum
Ground spar.
TW: - Titanium White
Titanium dioxide - modern.
WHT: - Whiting
Precipitated chalk = calcium carbonate.

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

BCH
CER
GYP
TW
WHT

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.