CARBONATE DE MANGANESE

¼-5%; produces pink to brown colours.

Formula: MnCO3

MANGANESE CARBONATE

For colouring enamels and casting slip

Manganese carbonate is a light brown powder.

It is purer and finer than manganese dioxide.

1 part MnO2 is equivalent to 1.32 parts MnCO3.

In glazes: as manganese dioxide

In engobes: like manganese dioxide

MANGANESE CARBONATE - RHODOCROSITE

Pure it is pink in colour.

It is insoluble.

It tends to produce bubbles.

1 to 8% is used