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Sunstone
Sunstone

Foitite
Foitite



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Sunstone and Foitite 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
2.62-2.65
3.17
1.5 Fracture
Gemstones of the world (2001)
Handbook of mineralogy (2001)
1.6 Cleavage
001
None
1.7 Mohs Hardness
6
7
1.8 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Sunstone and Foitite Chemical Formula

While comparing Sunstone and Foitite 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 Foitite chemical formula.

  • Chemical formula of Sunstone- Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Sunstone and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Foitite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 3.17 whereas that of Foitite is 3.17.