Tantalite and Creedite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.2
  
2.70
  
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
Good in one direction
  
Perfect on {100}
  
Mohs Hardness
6-6.5
  
4.5
  
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
  
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
  
Tantalite and Creedite Chemical Formula
While comparing Tantalite and Creedite 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 Creedite chemical formula.
- Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Tantalite and Creedite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tantalite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 2.70 whereas that of Creedite is 2.70.