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Piemontite and Mimetite Physical Properties


Mimetite and Piemontite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
7.10   

Fracture
Uneven, Splintery   
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
[001] good, [100] distinct   
[10 1 1] Imperfect   

Mohs Hardness
6-6.5   
3.5   

Chemical Composition
Not Available   
Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Piemontite and Mimetite Chemical Formula

While comparing Piemontite and Mimetite 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 Piemontite and Mimetite chemical formula.

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Piemontite and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 7.10 whereas that of Mimetite is 7.10.

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Red Gemstones


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