Manganotantalite and Allanite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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3.40-4.20
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
  
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Cleavage
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Mohs Hardness
5.5-6.5
  
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Chemical Composition
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
  
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Manganotantalite and Allanite Chemical Formula
While comparing Manganotantalite and Allanite 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 Allanite chemical formula.
- Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
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Manganotantalite and Allanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Manganotantalite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Manganotantalite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Manganotantalite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.