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Biotite and Rhodochrosite Physical Properties


Rhodochrosite and Biotite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.7-3.3   
3.0-3.3   

Fracture
Uneven, Even, Yellow, White   
Uneven, Conchoidal, Conchoidal to uneven, Brittle   

Cleavage
Perfect on the {001}   
On {10 1 1} perfect; parting on {10 1 2}   

Mohs Hardness
2.5-3.0   
3.5-4   

Chemical Composition
K(Mg,Fe++)3[AlSi3O10(OH,F)2   
MnCO3   

Optical Properties >>
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Biotite and Rhodochrosite Chemical Formula

While comparing Biotite and Rhodochrosite 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 Rhodochrosite chemical formula.

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Biotite and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Biotite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.

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Yellow Gemstones


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