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Peridot
Peridot

Almandine
Almandine



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Peridot
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Almandine

Peridot and Almandine 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
 
-
-
-
3.95-4.30
Conchoidal
none
7-7.5
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Peridot and Almandine Chemical Formula

While comparing Peridot and Almandine 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 Almandine chemical formula.

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Peridot and Almandine Specific Gravity

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