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Augelite
Augelite

Neptunite
Neptunite



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Augelite
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Neptunite

Augelite and Neptunite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.70-2.75
Conchoidal
From the Greek for luster, for its pearly luster on the cleavage.
4.5-5
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Augelite and Neptunite Chemical Formula

While comparing Augelite 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 Augelite and Neptunite chemical formula.

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Augelite and Neptunite Specific Gravity

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