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Astrophyllite and Stibiotantalite Physical Properties


Stibiotantalite and Astrophyllite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.2-3.4   
Not Available   

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

Cleavage
Perfect on [001] imperfect on [100]   
{???} Perfect   

Mohs Hardness
3   
5.5-6   

Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)   
SbTaO 4Ulrich Henn and Claudio C.   

Optical Properties >>
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Astrophyllite and Stibiotantalite Chemical Formula

While comparing Astrophyllite 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 Astrophyllite and Stibiotantalite chemical formula.

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Astrophyllite and Stibiotantalite Specific Gravity

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

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Green Gemstones


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