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Emerald
Emerald

Peridot
Peridot



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Emerald
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Peridot

Emerald 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
Hard
Not Available
1.4 Specific Gravity
2.67-2.781.54-1.55
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal
1.6 Cleavage
Imperfect on the [0001]
Poor
1.7 Mohs Hardness
7.5-86.5-7
Amber
2 10
1.8 Chemical Composition
Be3Al2SiO6
(Mg,Fe)2SiO4

Emerald and Peridot Chemical Formula

While comparing Emerald 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 Emerald and Peridot chemical formula.

  • Chemical formula of Emerald- Be3Al2SiO6
  • Chemical formula of Peridot- (Mg,Fe)2SiO4

Emerald and Peridot Specific Gravity

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