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Neptunite and Stibiotantalite Physical Properties


Stibiotantalite and Neptunite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.19-3.23   
Not Available   

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

Cleavage
{110} good   
{???} Perfect   

Mohs Hardness
5-6   
5.5-6   

Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)   
SbTaO 4Ulrich Henn and Claudio C.   

Optical Properties >>
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Neptunite and Stibiotantalite Chemical Formula

While comparing Neptunite and Stibiotantalite 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 Neptunite and Stibiotantalite chemical formula.

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Neptunite and Stibiotantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Stibiotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Stibiotantalite Optical Properties during the identification of gemstone. Specific gravity of Neptunite is Not Available whereas that of Stibiotantalite is Not Available.

Red Gemstones

Red Gemstones


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