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Fire Opal
Fire Opal

Ruby
Ruby



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Fire Opal
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Ruby

Fire Opal and Ruby Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.97-2.223.97-4.05
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Conchoidal
1.6 Cleavage
Not Available
No true cleavage
1.7 Mohs Hardness
6-6.59
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Al 2 O 3

Fire Opal and Ruby Chemical Formula

While comparing Fire Opal and Ruby 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 Fire Opal and Ruby chemical formula.

  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Ruby- Al 2 O 3

Fire Opal and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Ruby Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 3.97-4.05 whereas that of Ruby is 3.97-4.05.