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Sapphire
Sapphire

Uvite
Uvite



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Sapphire
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Uvite

Sapphire and Uvite 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
 
-
-
-
2.97-3.14
Uneven, Conchoidal
{1011} Indistinct
-9999
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Sapphire and Uvite Chemical Formula

While comparing Sapphire and Uvite 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 Uvite chemical formula.

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Sapphire and Uvite Specific Gravity

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