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Peridot
Peridot

Tanzanite
Tanzanite



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Peridot
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Tanzanite

Peridot and Tanzanite Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
Hard

Specific Gravity

1.54-1.553.35
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

Poor
Perfect {010}, imperfect {100}

Mohs Hardness

6.5-76.5-7
2 10
👆🏻

Chemical Composition

(Mg,Fe)2SiO4
Ca2Al3(SiO4)3(OH)

Peridot and Tanzanite Chemical Formula

While comparing Peridot and Tanzanite 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 Tanzanite chemical formula.

  • Chemical formula of Peridot- (Mg,Fe)2SiO4
  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Peridot and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.35 whereas that of Tanzanite is 3.35.