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Galena and Peridot Physical Properties


Peridot and Galena Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.23   
1.54-1.55   

Fracture
Subconchoidal, Brittle, Metallic   
Conchoidal   

Cleavage
Cubic perfect on [001], parting on [111]   
Poor   

Mohs Hardness
2.5-2.75   
6.5-7   

Chemical Composition
PbS   
(Mg,Fe)2SiO4   

Optical Properties >>
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Galena and Peridot Chemical Formula

While comparing Galena 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 Galena and Peridot chemical formula.

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Galena and Peridot Specific Gravity

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

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