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Manganotantalite and Astrophyllite Physical Properties


Astrophyllite and Manganotantalite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.2-3.4   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, Brittle, Metallic   

Cleavage
Not Available   
Perfect on [001] imperfect on [100]   

Mohs Hardness
5.5-6.5   
3   

Chemical Composition
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references   
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Manganotantalite and Astrophyllite Chemical Formula

While comparing Manganotantalite and Astrophyllite 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 Manganotantalite and Astrophyllite chemical formula.

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Manganotantalite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Manganotantalite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Manganotantalite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Manganotantalite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.

Red Gemstones

Red Gemstones


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