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Stibiotantalite and Brookite Physical Properties


Brookite and Stibiotantalite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.87-4.14   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
{???} Perfect   
Poor on {120}, in traces on {001}   

Mohs Hardness
5.5-6   
5.5-6   

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

Optical Properties >>
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Stibiotantalite and Brookite Chemical Formula

While comparing Stibiotantalite and Brookite 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 Brookite chemical formula.

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Stibiotantalite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.

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Red Gemstones


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