Azurite
Real mineral · uncommon · Cu₃(CO₃)₂(OH)₂
A secondary copper carbonate forming where oxidised copper deposits meet carbonate rock. Its vivid blue slowly converts to malachite when exposed to water over time. Often found alongside malachite in banded formations.
Identity
- Formula
- Cu₃(CO₃)₂(OH)₂
- Chemical class
- carbonate
- Also known as
- Blue malachite, Chessylite
Crystallography
- Crystal system
- monoclinic
- Habits
- prismatic, tabular, massive, botryoidal
- Fracture
- conchoidal
Physical properties
- Mohs hardness
- 3.5
- Density
- 3.77 g/cm³
- Luster
- vitreous
- Colors
- blue, dark blue, sky blue
- Streak
- blue
- Transparency
- transparent, translucent, opaque
Geology
- Origins
- sedimentary, hydrothermal
- Host rocks
- limestone, copper deposits
- Associated minerals
- Malachite, Cuprite, Calcite, Chalcopyrite
- Geography
- Morocco, USA (Arizona), Namibia, Australia, France
Classification
- Rarity
- uncommon
- Gem quality
- Yes
Arcane properties
- Affinity
- water, arcane
- Effects
- scrying
- Planar origin
- Material Plane
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