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Linarite and Biotite Physical Properties


Biotite and Linarite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.35   
2.7-3.3   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   
Uneven, Even, Yellow, White   

Cleavage
Perfect on {100}, imperfect on {001}   
Perfect on the {001}   

Mohs Hardness
2.5   
2.5-3.0   

Chemical Composition
PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
K(Mg,Fe++)3[AlSi3O10(OH,F)2   

Optical Properties >>
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Linarite and Biotite Chemical Formula

While comparing Linarite 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 Linarite and Biotite chemical formula.

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Linarite and Biotite Specific Gravity

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

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