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Stibiotantalite and Pyrophyllite Physical Properties


Pyrophyllite and Stibiotantalite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
2.65-2.90   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Gemstones (2009), Flexible Flexible fragments.   

Cleavage
{???} Perfect   
{001} Perfect   

Mohs Hardness
5.5-6   
Not Available   

Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.   
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Stibiotantalite and Pyrophyllite Chemical Formula

While comparing Stibiotantalite and Pyrophyllite 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 Pyrophyllite chemical formula.

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Stibiotantalite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.

Red Gemstones

Red Gemstones


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