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Precious coral
Precious coral

Charoite
Charoite



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Precious coral
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Charoite

Precious coral and Charoite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
3.5
CaCO3
 
-
-
-
2.54-2.78
Conchoidal
Good in three directions
5-6
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Precious coral and Charoite Chemical Formula

While comparing Precious coral and Charoite 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 Precious coral and Charoite chemical formula.

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Precious coral and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious coral and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious coral Vs Charoite during the identification of gemstone. Specific gravity of Precious coral is whereas that of Charoite is .