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Almandine
Almandine

Sapphire
Sapphire



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Almandine
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Sapphire

Almandine and Sapphire Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.95-4.30
Conchoidal
none
7-7.5
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3

Almandine and Sapphire Chemical Formula

While comparing Almandine and Sapphire 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 Almandine and Sapphire chemical formula.

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Almandine and Sapphire Specific Gravity

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