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Zincite
Zincite

Andradite
Andradite



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Zincite
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Andradite

Zincite and Andradite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.50-5.90
Conchoidal
On {10 1 0}, perfect; parting on {000 1 }
4
(Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Zincite and Andradite Chemical Formula

While comparing Zincite 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 Zincite and Andradite chemical formula.

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Zincite and Andradite Specific Gravity

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