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Marcasite and Tanzanite Physical Properties


Tanzanite and Marcasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Hard   

Specific Gravity
4.80-4.90   
3.35   

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

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

Mohs Hardness
6-6.5   
6.5-7   

Chemical Composition
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca2Al3(SiO4)3(OH)   

Optical Properties >>
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Marcasite and Tanzanite Chemical Formula

While comparing Marcasite 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 Marcasite and Tanzanite chemical formula.

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Marcasite and Tanzanite Specific Gravity

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

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