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www.mineralgallery.co.za Minerals K-O |
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Olivenite |
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Name
Olivenite
Chemistry
Cu2(AsO4)(OH)
Uses
As a mineral specimen
Color
Olive Green to Greenish Brown
Hardness
4
Specific gravity
4.5
Crystals
Radially structured masses and prismatic crystals or tabular crystals flattened on the a-axis
Accompanied by:
Adamite
Fracture
Even
Luster
Lustruos
Cleavage
None basal parting.
Streak
White
Similar to:
Malachite
The former curator of the Freiberg Museum, Wilhelm Maucher, was the first to describe olivenite in 1908 as small, olive-green crystals.
He also recognised that the color depended on the zinc content, becoming lighter green with better developed crystals, coinciding with a higher concentration of zinc. consist of paralel aligned groups with only the terminations of the crystals visible, associated with azurite and balls of rosasite.
