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Star Sapphire
Star Sapphire
☒

Pleonaste
Pleonaste
☒



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Star Sapphire
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Pleonaste

Star Sapphire and Pleonaste Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.90-4.05
-
None
-9999
Al 2O 3Ulrich Henn and Claudio C.
 
-
-
-
3.80
-
Indistinct
8
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Star Sapphire and Pleonaste Chemical Formula

While comparing Star Sapphire and Pleonaste 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 Star Sapphire and Pleonaste chemical formula.

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Star Sapphire and Pleonaste Specific Gravity

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