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Anglesite and Biotite Physical Properties


Biotite and Anglesite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.30-6.39   
2.7-3.3   

Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Uneven, Even, Yellow, White   

Cleavage
[001] good, [210] distinct   
Perfect on the {001}   

Mohs Hardness
3-3.5   
2.5-3.0   

Chemical Composition
PbSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   
K(Mg,Fe++)3[AlSi3O10(OH,F)2   

Optical Properties >>
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Anglesite and Biotite Chemical Formula

While comparing Anglesite and Biotite 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 Anglesite and Biotite chemical formula.

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Anglesite and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anglesite and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anglesite and Biotite Optical Properties during the identification of gemstone. Specific gravity of Anglesite is 2.7-3.3 whereas that of Biotite is 2.7-3.3.

Green Gemstones

Green Gemstones


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