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Azurmalachite
Azurmalachite

Opal
Opal



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Azurmalachite
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Opal

Azurmalachite and Opal Physical Properties

Physical Properties

Tenacity

-
BrittleWalter Schumann

Solubility

-
hot salt water

Durability

-
-

Specific Gravity

3.70-3.951.98-2.25
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

1,1 basal.
None

Mohs Hardness

3.5-45-6.5
2 10
👆🏻

Chemical Composition

(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
SiO2 · nH2O

Azurmalachite and Opal Chemical Formula

While comparing Azurmalachite and Opal 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 Azurmalachite and Opal chemical formula.

  • Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
  • Chemical formula of Opal- SiO2 · nH2O

Azurmalachite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurmalachite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Opal Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 1.98-2.25 whereas that of Opal is 1.98-2.25.