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Boulder Opal
Boulder Opal

Azure malachite
Azure malachite



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Boulder Opal
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Azure malachite

Boulder Opal and Azure malachite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.25-9999
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

None
None

Mohs Hardness

5-6.5-9999
2 10
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Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
Cu3(CO3)2(OH)2

Boulder Opal and Azure malachite Chemical Formula

While comparing Boulder 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 Boulder Opal and Azure malachite chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Azure malachite- Cu3(CO3)2(OH)2

Boulder Opal and Azure malachite Specific Gravity

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