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Ruby
Ruby

Boracite
Boracite



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Ruby
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Boracite

Ruby and Boracite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.97-4.052.95-2.96
Amber
1 7.18
1.5 Fracture
Conchoidal
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
No true cleavage
None
1.7 Mohs Hardness
97-7.5
Amber
2 10
1.8 Chemical Composition
Al 2 O 3
Mg 3B 7O 13ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Boracite Chemical Formula

While comparing Ruby and Boracite 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 Boracite chemical formula.

  • Chemical formula of Ruby- Al 2 O 3
  • Chemical formula of Boracite- Mg 3B 7O 13ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Boracite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Boracite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Boracite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.95-2.96 whereas that of Boracite is 2.95-2.96.