Tantalite and Riebeckite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
5.2
3.28-3.44
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Splintery, Brittle
Cleavage
Good in one direction
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
6-6.5
5.0-6.0
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Not Available
Tantalite and Riebeckite Chemical Formula
While comparing Tantalite and Riebeckite 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 Tantalite and Riebeckite chemical formula.
- Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
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Tantalite and Riebeckite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tantalite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.