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Sunstone
Sunstone

Iolite
Iolite



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Sunstone
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Iolite

Sunstone and Iolite Physical Properties

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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
2.62-2.652.6-2.7
Amber
1 7.18
1.5 Fracture
Gemstones of the world (2001)
Not Available
1.6 Cleavage
001
3,1
1.7 Mohs Hardness
67-7.5
Amber
2 10
1.8 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Mg2Al4Si5O18

Sunstone and Iolite Chemical Formula

While comparing Sunstone and Iolite 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 Sunstone and Iolite chemical formula.

  • Chemical formula of Sunstone- Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Iolite- Mg2Al4Si5O18

Sunstone and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Iolite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.6-2.7 whereas that of Iolite is 2.6-2.7.