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Opal
Opal

Azure malachite
Azure malachite



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Opal
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Azure malachite

Opal and Azure malachite Physical Properties

Physical Properties

Tenacity

BrittleWalter Schumann
-

Solubility

hot salt water
-

Durability

-
-

Specific Gravity

1.98-2.25-9999
1 7.18
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Fracture

Conchoidal
-

Cleavage

None
None

Mohs Hardness

5-6.5-9999
2 10
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Chemical Composition

SiO2 · nH2O
Cu3(CO3)2(OH)2

Opal and Azure malachite Chemical Formula

While comparing Opal and Azure malachite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Opal and Azure malachite chemical formula.

  • Chemical formula of Opal- SiO2 · nH2O
  • Chemical formula of Azure malachite- Cu3(CO3)2(OH)2

Opal and Azure malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Azure malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Azure malachite Optical Properties during the identification of gemstone. Specific gravity of Opal is whereas that of Azure malachite is .