Eco Conscious Chalk

Coloured chalk for Australian rock. Specifically designed to match aussie sandstone, 8C Plus The Agent Eco Conscious Chalk blends well into much of Australian sandstone and granite. While not invisible against the rock, the chalk’s sand coloured hue is much less obvious than regular white chalk, and can conceivably pass as natural rock variation. The chalk is a loose powder, consisting of 99.9% pure MgCO3