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Sunstone
Sunstone

Anorthite
Anorthite



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Sunstone
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Anorthite

Sunstone and Anorthite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.62-2.652.77
Amber
1 7.18
1.5 Fracture
Gemstones of the world (2001)
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
001
Perfect [001] good [010] poor [110]
1.7 Mohs Hardness
66-6.5
Amber
2 10
1.8 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Sunstone and Anorthite Chemical Formula

While comparing Sunstone and Anorthite 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 Anorthite chemical formula.

  • Chemical formula of Sunstone- Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Anorthite- CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Sunstone and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.77 whereas that of Anorthite is 2.77.