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Andradite
Andradite

Zinnwaldite
Zinnwaldite



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Andradite
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Zinnwaldite

Andradite and Zinnwaldite 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)
 
Elastic
-
-
2.9-3.1
Uneven
Perfect basal {001}
3.5-4.0
-

Andradite and Zinnwaldite Chemical Formula

While comparing Andradite and Zinnwaldite 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 Zinnwaldite chemical formula.

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Andradite and Zinnwaldite Specific Gravity

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