GEOLOGY & PLANETARY SCIENCE A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site azurite Azurite. Image source: Mineralogical Information Institute A basic copper carbonate mineral found in the oxidized parts of copper ore veins, often as earthy material with malachite. The crystals are blue, brilliant, and transparent. In the past the gemstones were used as pigments in wall paintings. Hardness 3.5–4, specific gravity 3.77–3.89. Related category    • GEOLOGY AND PLANETARY SCIENCE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP