Chalk from Champagne
from France, natural calcium carbonate
- Chemical description Natural calcium carbonate (CaCO3)
- ColorIndex PW 18.77220
- Suitability Acrylics, Lime / Fresco, Oil, Tempera, Watercolor / Gouache
- Color White
- Form powder
- Solubility in water 0.014 g/l (20°C); 0.018 g/l (75°C)