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Sunstone
Sunstone

Poudretteite
Poudretteite



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Sunstone
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Poudretteite

Sunstone and Poudretteite 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
2.62-2.652.51-2.53
Amber
1 7.18
1.5 Fracture
Gemstones of the world (2001)
Conchoidal, Splintery
1.6 Cleavage
001
None
1.7 Mohs Hardness
65
Amber
2 10
1.8 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Sunstone and Poudretteite Chemical Formula

While comparing Sunstone and Poudretteite 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 Poudretteite chemical formula.

  • Chemical formula of Sunstone- Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Sunstone and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.