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Sapphire
Sapphire

Poldervaartite
Poldervaartite



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Sapphire
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Poldervaartite

Sapphire and Poldervaartite Physical Properties

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
 
-
-
-
2.91
-
None
-9999
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Sapphire and Poldervaartite Chemical Formula

While comparing Sapphire and Poldervaartite 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 Poldervaartite chemical formula.

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Sapphire and Poldervaartite Specific Gravity

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