Rhodochrosite and Sugilite Physical Properties

Rhodochrosite

Sugilite

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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

3.0-3.32.69-2.79

1 7.18

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Poor on {0001}

1.7 Mohs Hardness

3.5-45.5-6.5

2 10

1.8 Chemical Composition

MnCO₃

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodochrosite and Sugilite Chemical Formula

While comparing Rhodochrosite and Sugilite 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 Sugilite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.