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Rhodochrosite and Andradite Physical Properties


Andradite and Rhodochrosite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.0-3.3   
3.70-4.10   

Fracture
Uneven, Conchoidal, Conchoidal to uneven, Brittle   
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
On {10 1 1} perfect; parting on {10 1 2}   
none   

Mohs Hardness
3.5-4   
6.5-7   

Chemical Composition
MnCO3   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Rhodochrosite and Andradite Chemical Formula

While comparing Rhodochrosite and Andradite 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 Andradite chemical formula.

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Rhodochrosite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.

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