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Jade
Jade

Andradite
Andradite



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Jade
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Andradite

Jade and Andradite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.38
Splintery
1 or 2,2 prismatic.
6-7
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Jade and Andradite Chemical Formula

While comparing Jade 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 Jade and Andradite chemical formula.

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Jade and Andradite Specific Gravity

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