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Peridot
Peridot

Sellaite
Sellaite



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Peridot
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Sellaite

Peridot and Sellaite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.54-1.55
Conchoidal
Poor
6.5-7
(Mg,Fe)2SiO4
 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.

Peridot and Sellaite Chemical Formula

While comparing Peridot and Sellaite 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 Sellaite chemical formula.

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Peridot and Sellaite Specific Gravity

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