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Hollandite
Hollandite

Rutile
Rutile



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Hollandite
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Rutile

Hollandite and Rutile Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Insoluble in acids
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.054.20-4.30
Amber
1 7.18
1.5 Fracture
Brittle, Metallic
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Distinct / Good, Prismatic
{110} good, 100 moderate, parting on {092} and {011}
1.7 Mohs Hardness
4-66-6.5
Amber
2 10
1.8 Chemical Composition
Ba(Mn++++,Mn++)8O16
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Hollandite and Rutile Chemical Formula

While comparing Hollandite and Rutile 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 Rutile chemical formula.

  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
  • Chemical formula of Rutile- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Hollandite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.