Measurements: 85 x 65 x 36 mm
Description: A large nodule of azurite with
a lovely blue colouring, that is actually an aggregate of tiny azurite
crystals. The bottom right image was taken in natural sunlight.
Chemical Composition: Cu3(CO3)2(OH)2
Hardness on Mohs Scale: 3.5 – 4
Specimen Code: NTS 001
US $ 280