Wikipedia
Manganese violet
Manganese violet is the inorganic compound called ammonium manganese(III) pyrophosphate. The formula indicates that pyrophosphate , ammonium , and manganese(III) make up this solid. It is prepared by heating a mixture of , diammonium phosphate and phosphoric acid. This material is a popular inorganic pigment.
Usage examples of "manganese violet".
Then the colors leaked away one by one, chroma weakening: purple-blue, manganese violet, discord, cobalt blue, doubt, affection, chrome green, chrome yellow, raw sienna, contemplation, alizarin crimson, irony, silver, severity, compassion, cadmium red, white.