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Andradite Garnet
Andradite Garnet

Dravite
Dravite



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Andradite Garnet
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Dravite

Andradite Garnet and Dravite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.8-3.9
-
None
6.5-7.5
Ca3Fe3+2Si3O12
 
-
-
-
3.03-3.18
Uneven, Irregular, Conchoidal
{???} Indistinct
7-7.5
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Andradite Garnet and Dravite Chemical Formula

While comparing Andradite Garnet and Dravite 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 Garnet and Dravite chemical formula.

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Andradite Garnet and Dravite Specific Gravity

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