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Chalcedony and Hollandite Physical Properties


Hollandite and Chalcedony Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
5.05   

Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann   
Brittle, Metallic   

Cleavage
Absent   
Distinct / Good, Prismatic   

Mohs Hardness
6.5-7   
4-6   

Chemical Composition
SiO2   
Ba(Mn++++,Mn++)8O16   

Optical Properties >>
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Chalcedony and Hollandite Chemical Formula

While comparing Chalcedony and Hollandite 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 Chalcedony and Hollandite chemical formula.

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Chalcedony and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 5.05 whereas that of Hollandite is 5.05.

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