Azurite
Azurite
Azurite A basic copper carbonate
Azurite is often found as rosette-like aggregates or as slender tubular needles. It has a hardness of 3.5 -4 .The name comes from the mineral color, azure-blue. This mineral is toxic and has been used for thousands of years as a pigment in oil paint, stain glass and glaze. It's considered an ore of copper and an ornamental stone.
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