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Tanzanite and Zoisite Physical Properties


Zoisite and Tanzanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Hard   
Not Available   

Specific Gravity
3.35   
3.20-3.50   

Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even   

Cleavage
Perfect {010}, imperfect {100}   
Perfect {010} imperfect {100}   

Mohs Hardness
6.5-7   
6-7   

Chemical Composition
Ca2Al3(SiO4)3(OH)   
Ca2Al3(SiO4)3(OH)   

Optical Properties >>
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Tanzanite and Zoisite Chemical Formula

While comparing Tanzanite and Zoisite 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 Tanzanite and Zoisite chemical formula.

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Tanzanite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.

Semi Precious

Semi Precious


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