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Hollandite and Rutile Physical Properties


Rutile and Hollandite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Insoluble in acids   

Durability
Not Available   
Not Available   

Specific Gravity
5.05   
4.20-4.30   

Fracture
Brittle, Metallic   
Uneven, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Distinct / Good, Prismatic   
{110} good, 100 moderate, parting on {092} and {011}   

Mohs Hardness
4-6   
6-6.5   

Chemical Composition
Ba(Mn++++,Mn++)8O16   
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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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.

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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.

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