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Hollandite
Hollandite

Manganotantalite
Manganotantalite



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Hollandite
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Hollandite and Manganotantalite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.05
Not Available
1.5 Fracture
Brittle, Metallic
ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Distinct / Good, Prismatic
Not Available
1.7 Mohs Hardness
4-6
5.5-6.5
1.8 Chemical Composition
Ba(Mn++++,Mn++)8O16
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Hollandite and Manganotantalite Chemical Formula

While comparing Hollandite and Manganotantalite 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 Hollandite and Manganotantalite chemical formula.

  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
  • Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Hollandite and Manganotantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Manganotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is Not Available whereas that of Manganotantalite is Not Available.