Ruby and Papagoite Physical Properties

Ruby

Papagoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.053.25

1 7.18

1.5 Fracture

Conchoidal

Brittle, Metallic

1.6 Cleavage

No true cleavage

Imperfect in one direction

1.7 Mohs Hardness

95-5.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Ruby and Papagoite Chemical Formula

While comparing 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 Ruby and Papagoite chemical formula.

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

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Ruby and Papagoite Specific Gravity

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