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Pearl
Pearl

Neptunite
Neptunite



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Pearl
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Neptunite

Pearl and Neptunite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.60-2.85
-
none
2.5-4.5
CaCO3
 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Pearl and Neptunite Chemical Formula

While comparing Pearl and Neptunite 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 Pearl and Neptunite chemical formula.

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Pearl and Neptunite Specific Gravity

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