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Ruby and Andradite Garnet Physical Properties


Andradite Garnet and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
3.8-3.9   

Fracture
Conchoidal   
Not Available   

Cleavage
No true cleavage   
None   

Mohs Hardness
9   
6.5-7.5   

Chemical Composition
Al 2 O 3   
Ca3Fe3+2Si3O12   

Optical Properties >>
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Ruby and Andradite Garnet Chemical Formula

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

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Ruby and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.

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