Glossary
Lapis Lazuli
A semi-precious blue stone and the source of the pigment of the same name, basically lazurite mixed with other colourless silicates, calcite and pyrite, it is also known as natural ultramarine.
A semi-precious blue stone and the source of the pigment of the same name, basically lazurite mixed with other colourless silicates, calcite and pyrite, it is also known as natural ultramarine.