Azurite is a soft, deep-blue copper mineral.
Azurite often occurs with “green Malachite”, which may form green stains or specks on Azurite crystals.
It is soft, therefore its Mohs Hardness is only 3.5 to 4.
The Egyptians considered Azurite to be sacred.
During the Middle Ages and the Renaissance, Azurite was commonly used as a pigment, as a gemstone and as an ornamental stone.