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Stibiotantalite and Dioptase Physical Properties


Dioptase and Stibiotantalite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.25-3.35   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
{???} Perfect   
Perfect in three directions   

Mohs Hardness
5.5-6   
5   

Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.   
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Stibiotantalite and Dioptase Chemical Formula

While comparing Stibiotantalite and Dioptase 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 Stibiotantalite and Dioptase chemical formula.

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Stibiotantalite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.

Red Gemstones

Red Gemstones


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