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Star Ruby
Star Ruby

Peridot
Peridot



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Star Ruby
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Peridot

Star Ruby and Peridot 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
3.95-4.101.54-1.55
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Conchoidal
1.6 Cleavage
Not Available
Poor
1.7 Mohs Hardness
Not Available6.5-7
Amber
2 10
1.8 Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
(Mg,Fe)2SiO4

Star Ruby and Peridot Chemical Formula

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

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

Star Ruby and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Peridot Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 1.54-1.55 whereas that of Peridot is 1.54-1.55.