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Rhodochrosite and Alexandrite Physical Properties


Alexandrite and Rhodochrosite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.0-3.3   
3.69-3.81   

Fracture
Uneven, Conchoidal, Conchoidal to uneven, Brittle   
Not Available   

Cleavage
On {10 1 1} perfect; parting on {10 1 2}   
1,1 ; 3,2.   

Mohs Hardness
3.5-4   
8.5   

Chemical Composition
MnCO3   
BeAl 2 O 4   

Optical Properties >>
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Rhodochrosite and Alexandrite Chemical Formula

While comparing Rhodochrosite and Alexandrite 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 Rhodochrosite and Alexandrite chemical formula.

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Rhodochrosite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.

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