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Major General Tremernhere
Indigo Pigment
Originally printed in 1858, this map of India clearly indicates in blue the region from which a popular colorant was traditionally grown. Can you…
Raymond R. Burchett
Chalk Pigment
Chalk is a white mineral pigment composed fo calcium carbonate. Calcium carbonate is used as an extender in paints and is a main component in…
Jenny Dean
Logwood Pigment
Here is an entry on logwood as a dye for fiber and fabric. The dye produced by the heartwood of the logwood tree creates a range of colors, from…
National Geographic Society (U.S.) Cartographic Division
Mediterranean, Sepia Pigment
The cuttlefish is known to inhabit the shallows of the Mediterranean Sea where it has long been a popular source for extracting the grey-brown pigment…
Government Committee for Tourism in Czechoslovakia
Czechoslovakia
Czechoslovakia, now known as the two separate countries of the Czech Republic and Slovakia, has a long tradition of mining. One of these minerals is…
National Geographic Society (U.S.) Cartographic Division
Middle East
Verdigris is a green colorant made from the corrosion of copper. Its uses originate from Spain and Greece, with Cyprus being one of the best original…
