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Star Ruby
Star Ruby

Papagoite
Papagoite



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Star Ruby
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Papagoite

Star Ruby and Papagoite 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
3.95-4.103.25
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Brittle, Metallic
1.6 Cleavage
Not Available
Imperfect in one direction
1.7 Mohs Hardness
Not Available5-5.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Star Ruby and Papagoite Chemical Formula

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

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Star Ruby and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.25 whereas that of Papagoite is 3.25.