Rhodochrosite and Sinhalite Physical Properties

Rhodochrosite

Sinhalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

3.46-3.50

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

Not Available

1.7 Mohs Hardness

3.5-4

6-7

1.8 Chemical Composition

MnCO₃

MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodochrosite and Sinhalite Chemical Formula

While comparing Rhodochrosite and Sinhalite 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 Sinhalite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.