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Jet lignite
Jet lignite

Augelite
Augelite



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Jet lignite
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Augelite

Jet lignite and Augelite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.30-1.34
-
None
2.5
C
 
-
-
-
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)

Jet lignite and Augelite Chemical Formula

While comparing Jet lignite and Augelite 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 Jet lignite and Augelite chemical formula.

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Jet lignite and Augelite Specific Gravity

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