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Galena and Dallasite Physical Properties


Dallasite and Galena Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.23   
2.58-2.91   

Fracture
Subconchoidal, Brittle, Metallic   
Not Available   

Cleavage
Cubic perfect on [001], parting on [111]   
Not Available   

Mohs Hardness
2.5-2.75   
6.5-7   

Chemical Composition
PbS   
Not Available   

Optical Properties >>
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Galena and Dallasite Chemical Formula

While comparing Galena and Dallasite 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 Dallasite chemical formula.

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Galena and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Galena is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.

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Grey Gemstones


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