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Tourmaline and Andradite Garnet Physical Properties


Andradite Garnet and Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
3.8-3.9   

Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   
Not Available   

Cleavage
Indistinct   
None   

Mohs Hardness
7-7.5   
6.5-7.5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   
Ca3Fe3+2Si3O12   

Optical Properties >>
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Tourmaline and Andradite Garnet Chemical Formula

While comparing Tourmaline 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 Tourmaline and Andradite Garnet chemical formula.

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Tourmaline and Andradite Garnet Specific Gravity

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

Semi Precious

Semi Precious


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