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Foitite and Tanzanite Physical Properties


Tanzanite and Foitite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Hard   

Specific Gravity
3.17   
3.35   

Fracture
Handbook of mineralogy (2001)   
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   

Cleavage
None   
Perfect {010}, imperfect {100}   

Mohs Hardness
7   
6.5-7   

Chemical Composition
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)   
Ca2Al3(SiO4)3(OH)   

Optical Properties >>
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Foitite and Tanzanite Chemical Formula

While comparing Foitite and Tanzanite 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 Foitite and Tanzanite chemical formula.

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Foitite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Foitite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Foitite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Foitite is 3.35 whereas that of Tanzanite is 3.35.

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