Azurite

Azurite Chemische Eigenschaften,Einsatz,Produktion Methoden

• Physikalische Eigenschaften

  Habit: tabular, massive, prismatic, stalactitic.
  Color: azure blue or very dark blue.
  Diaphaneity: transparent to translucent.
  Luster: vitreous (i.e., glassy).
  Streak: light blue.
  Cleavage: (011) perfect, (100) good.
  Fracture: conchoidal, brittle.
  Occurrence: secondary mineral in the oxidized zone of copper ore deposits in association with malachite.

• Definition

  azurite: A secondary mineral consistingof hydrated basic copper carbonate,Cu₃(OH)₂(CO₃)₂, inmonoclinic crystalline form. It isgenerally formed in the upper zoneof copper ore deposits and often occurswith malachite. Its intenseazure-blue colour made it formerlyimportant as a pigment. It is a minorore of copper and is used as a gemstone.