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Ruby
Ruby

Brazilianite
Brazilianite



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Ruby and Brazilianite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.97-4.05
2.98-2.99
1.5 Fracture
Conchoidal
Conchoidal, Gems
1.6 Cleavage
No true cleavage
(010) Distinct to good
1.7 Mohs Hardness
9
5.5
1.8 Chemical Composition
Al 2 O 3
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Brazilianite Chemical Formula

While comparing Ruby and Brazilianite 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 Brazilianite chemical formula.

  • Chemical formula of Ruby- Al 2 O 3
  • Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Brazilianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Brazilianite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.98-2.99 whereas that of Brazilianite is 2.98-2.99.