Home
Gemstones


Stibiotantalite and Astrophyllite Physical Properties


Astrophyllite 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   
3.2-3.4   

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

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

Mohs Hardness
5.5-6   
3   

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

Optical Properties >>
<< Astrology

Stibiotantalite and Astrophyllite Chemical Formula

While comparing Stibiotantalite 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 Stibiotantalite and Astrophyllite chemical formula.

Compare Red Gemstones

Stibiotantalite and Astrophyllite Specific Gravity

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

Red Gemstones

Red Gemstones


Compare Red Gemstones