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Peridot
Peridot

Star Ruby
Star Ruby



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Peridot
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Star Ruby

Peridot and Star Ruby Physical Properties

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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
1.54-1.553.95-4.10
Amber
1 7.18
1.5 Fracture
Conchoidal
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Poor
Not Available
1.7 Mohs Hardness
6.5-7Not Available
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)2SiO4
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Peridot and Star Ruby Chemical Formula

While comparing Peridot and Star 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 Peridot and Star Ruby chemical formula.

  • Chemical formula of Peridot- (Mg,Fe)2SiO4
  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Peridot and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.