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Almandine
Almandine

Andradite
Andradite



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Almandine
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Andradite

Almandine and Andradite 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)
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Almandine and Andradite Chemical Formula

While comparing Almandine and Andradite 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 Andradite chemical formula.

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Almandine and Andradite Specific Gravity

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