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Rossmanite and Amethyst Physical Properties


Amethyst and Rossmanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble in common solvents   

Durability
Not Available   
Not Available   

Specific Gravity
3   
2.65   

Fracture
Brittle, Metallic   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
None   
Indiscernible   

Mohs Hardness
Not Available   
7   

Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   
SiO2   

Optical Properties >>
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Rossmanite and Amethyst Chemical Formula

While comparing Rossmanite and Amethyst 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 Rossmanite and Amethyst chemical formula.

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Rossmanite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.65 whereas that of Amethyst is 2.65.

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