How Cerulean blue is made:
| Artificial variety of pigment | Caeruleum is cobaltous stannate and is made by mixing cobaltous chloride with potassium stannate. The mixture is thoroughly washed, mixed with silica and calcium sulfate and heated |
Other blues
(intro) - Azurite - Cerulean Blue - Cobalt blue - Egyptian blue - Indigo - Prussian blue - Smalt - Ultramarine
(intro) - Azurite - Cerulean Blue - Cobalt blue - Egyptian blue - Indigo - Prussian blue - Smalt - Ultramarine