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Peridot
Peridot

Sapphire
Sapphire



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Peridot
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Sapphire

Peridot and Sapphire Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.54-1.553.95-4.03
Amber
1 7.18
1.5 Fracture
Conchoidal
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Poor
None, but may exhibit parting
1.7 Mohs Hardness
6.5-79
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)2SiO4
Al 2 O 3

Peridot and Sapphire Chemical Formula

While comparing Peridot and Sapphire 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 Sapphire chemical formula.

  • Chemical formula of Peridot- (Mg,Fe)2SiO4
  • Chemical formula of Sapphire- Al 2 O 3

Peridot and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.