Carnallite and Sugilite Physical Properties

Carnallite

Sugilite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.62.69-2.79

1 7.18

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

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

1.6 Cleavage

None

Poor on {0001}

1.7 Mohs Hardness

2.55.5-6.5

2 10

1.8 Chemical Composition

KMgCl3•6(H2O)

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

Carnallite and Sugilite Chemical Formula

While comparing Carnallite 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 Carnallite and Sugilite chemical formula.

Chemical formula of Carnallite- KMgCl3•6(H2O)
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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Carnallite and Sugilite Specific Gravity

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