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Iolite
Iolite

Tortoiseshell
Tortoiseshell



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Iolite
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Tortoiseshell

Iolite and Tortoiseshell Physical Properties

1 Physical Properties
1.1 Tenacity
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1.2 Solubility
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1.3 Durability
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1.4 Specific Gravity
2.6-2.71.25-1.35
Amber
1 7.18
1.5 Fracture
Not Available
Not Available
1.6 Cleavage
3,1
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1.7 Mohs Hardness
7-7.5Not Available
Amber
2 10
1.8 Chemical Composition
Mg2Al4Si5O18
Not Available

Iolite and Tortoiseshell Chemical Formula

While comparing Iolite and Tortoiseshell 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 Iolite and Tortoiseshell chemical formula.

  • Chemical formula of Iolite- Mg2Al4Si5O18
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Iolite and Tortoiseshell Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Tortoiseshell Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Tortoiseshell Optical Properties during the identification of gemstone. Specific gravity of Iolite is 1.25-1.35 whereas that of Tortoiseshell is 1.25-1.35.