Selected Minerals – Today: Azurite


  • named after the color azure, a variation of blue that is often
    described as the color of the sky
  • one of the two basic copper(II) carbonate minerals, the other being malachite
  • Formula: Cu3(CO3)2(OH)2
  • Space group: P21/c (No. 14)
  • Crystal system: monoclinic
  • Crystal class: 2/m
  • Lattice parameters: a = 5.01 Å, b = 5.58 Å, c = 10.35 Å, α = 90°, β = 92.4°, γ = 90°


Picture: Rob Lavinsky, – CC BY-SA 3.0

Crystal structure (click on the picture to download the VESTA file):


CO3 triangles (black), CuO5 tetragonal pyramids (yellow)


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