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Grossular and Hollandite Physical Properties


Hollandite and Grossular Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.55-3.73   
5.05   

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

Cleavage
none   
Distinct / Good, Prismatic   

Mohs Hardness
7-7.5   
4-6   

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

Optical Properties >>
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Grossular and Hollandite Chemical Formula

While comparing Grossular 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 Grossular and Hollandite chemical formula.

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Grossular and Hollandite Specific Gravity

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

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