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Ettringite and Rhodochrosite Physical Properties


Rhodochrosite and Ettringite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Partially soluble in water   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.77   
3.0-3.3   

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

Cleavage
Perfect on {10 1 0}   
On {10 1 1} perfect; parting on {10 1 2}   

Mohs Hardness
2-2.5   
3.5-4   

Chemical Composition
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
MnCO3   

Optical Properties >>
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Ettringite and Rhodochrosite Chemical Formula

While comparing Ettringite 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 Ettringite and Rhodochrosite chemical formula.

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Ettringite and Rhodochrosite Specific Gravity

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

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