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Hollandite and Grossular Physical Properties


Grossular and Hollandite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.05   
3.55-3.73   

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

Cleavage
Distinct / Good, Prismatic   
none   

Mohs Hardness
4-6   
7-7.5   

Chemical Composition
Ba(Mn++++,Mn++)8O16   
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Hollandite and Grossular Chemical Formula

While comparing Hollandite and Grossular 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 Grossular chemical formula.

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Hollandite and Grossular Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Grossular Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Grossular Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.55-3.73 whereas that of Grossular is 3.55-3.73.

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