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Papagoite
Papagoite

Alexandrite
Alexandrite



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Papagoite
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Alexandrite

Papagoite and Alexandrite 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
3.253.69-3.81
Amber
1 7.18
1.5 Fracture
Brittle, Metallic
Not Available
1.6 Cleavage
Imperfect in one direction
1,1 ; 3,2.
1.7 Mohs Hardness
5-5.58.5
Amber
2 10
1.8 Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
BeAl 2 O 4

Papagoite and Alexandrite Chemical Formula

While comparing Papagoite and Alexandrite 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 Alexandrite chemical formula.

  • Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Alexandrite- BeAl 2 O 4

Papagoite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.