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Tortoiseshell
Tortoiseshell

Topaz
Topaz



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Tortoiseshell
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Topaz

Tortoiseshell and Topaz Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.25-1.353.49-3.57
Amber
1 7.18
1.5 Fracture
Not Available
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Not Available
[001] Perfect
1.7 Mohs Hardness
Not Available8
Amber
2 10
1.8 Chemical Composition
Not Available
Al2SiO4(F,OH)2

Tortoiseshell and Topaz Chemical Formula

While comparing Tortoiseshell and Topaz 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 Tortoiseshell and Topaz chemical formula.

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  • Chemical formula of Topaz- Al2SiO4(F,OH)2

Tortoiseshell and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tortoiseshell and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tortoiseshell and Topaz Optical Properties during the identification of gemstone. Specific gravity of Tortoiseshell is 3.49-3.57 whereas that of Topaz is 3.49-3.57.