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Biotite and Peridot Physical Properties


Peridot and Biotite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.7-3.3   
1.54-1.55   

Fracture
Uneven, Even, Yellow, White   
Conchoidal   

Cleavage
Perfect on the {001}   
Poor   

Mohs Hardness
2.5-3.0   
6.5-7   

Chemical Composition
K(Mg,Fe++)3[AlSi3O10(OH,F)2   
(Mg,Fe)2SiO4   

Optical Properties >>
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Biotite and Peridot Chemical Formula

While comparing Biotite 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 Biotite and Peridot chemical formula.

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Biotite and Peridot Specific Gravity

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

Yellow Gemstones

Yellow Gemstones


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