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Papagoite
Papagoite

Star Sapphire
Star Sapphire



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Papagoite
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Star Sapphire

Papagoite and Star Sapphire Physical Properties

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
3.253.90-4.05
Amber
1 7.18
1.5 Fracture
Brittle, Metallic
Not Available
1.6 Cleavage
Imperfect in one direction
Not Available
1.7 Mohs Hardness
5-5.5Not Available
Amber
2 10
1.8 Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
Al 2O 3Ulrich Henn and Claudio C.

Papagoite and Star Sapphire Chemical Formula

While comparing Papagoite and Star Sapphire 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 Papagoite and Star Sapphire chemical formula.

  • Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Papagoite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.