English: Azurite and malachite are both crystals formed by the weathering process that breaks down natural copper ore deposits. Azurite is a brilliant blue with a hardness of around 3.5 to 4 on the Mohs scale as well as a specific gravity of around 3.77 to 3.89 and a refractive index of 1.655-1.909. Azurite is mined for use in paint pigments, often producing a range of blues dependent on the mineral’s natural color.

Malachite is the Greek translation of moloche, meaning mallow, due to its color.

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