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Stibiotantalite and Bertrandite Physical Properties


Bertrandite 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   
2.59-2.60   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Brittle, Metallic, Brittle, Metallic   

Cleavage
{???} Perfect   
{001} Perfect, {110} Distinct, {101} Distinct   

Mohs Hardness
5.5-6   
6-7   

Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.   
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Stibiotantalite and Bertrandite Chemical Formula

While comparing Stibiotantalite and Bertrandite 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 Bertrandite chemical formula.

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Stibiotantalite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.

Red Gemstones

Red Gemstones


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