CAS 1319-45-5
:Azurite
Description:
Azurite is a deep blue copper carbonate mineral with the chemical formula Cu3(CO3)2(OH)2. It is known for its striking azure color, which is attributed to the presence of copper ions. Azurite typically forms in the oxidized zones of copper deposits and is often found alongside malachite, another copper carbonate mineral. The mineral exhibits a vitreous to submetallic luster and has a hardness of about 3.5 to 4 on the Mohs scale, making it relatively soft. Azurite is soluble in acids, releasing carbon dioxide and forming a blue solution. It has been historically used as a pigment in art and decoration, although its use has declined due to the toxicity of copper compounds. In addition to its aesthetic appeal, azurite is of interest in mineralogy and geology, serving as an indicator of copper mineralization. Its vibrant color and unique properties make it a popular specimen among collectors and enthusiasts. However, care should be taken when handling azurite due to its potential toxicity.
Formula:CO3·Cu·HO
InChI:InChI=1S/CH2O3.Cu.H2O/c2-1(3)4;;/h(H2,2,3,4);;1H2/p-3
InChI key:InChIKey=VAHQCQMZLYHQCH-UHFFFAOYSA-K
SMILES:[OH-].[Cu].C(=O)([O-])[O-]
Synonyms:- Azurite
- Azurite (Cu3(CO3)2(OH)2)
- Azunite
- Gunjo
- Azurite blue
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