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Sapphire
Sapphire

Augite
Augite



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Sapphire
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Augite

Sapphire and Augite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3
 
-
-
-
3.19-3.56
Uneven, Conchoidal
{110} Perfect, {010} Indistinct
5.5-6
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Sapphire and Augite Chemical Formula

While comparing Sapphire and Augite 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 Sapphire and Augite chemical formula.

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Sapphire and Augite Specific Gravity

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