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Andradite
Andradite

Shigaite
Shigaite



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Andradite
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Shigaite

Andradite and Shigaite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4

Andradite and Shigaite Chemical Formula

While comparing Andradite and Shigaite 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 Andradite and Shigaite chemical formula.

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Andradite and Shigaite Specific Gravity

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