Sugilite and Halite Physical Properties

Sugilite

Halite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.792.17

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Metallic

1.6 Cleavage

Poor on {0001}

Perfect {001}, three directions cubic

1.7 Mohs Hardness

5.5-6.52.0-2.5

2 10

1.8 Chemical Composition

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

NaCl

Sugilite and Halite Chemical Formula

While comparing Sugilite and Halite 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 Sugilite and Halite chemical formula.

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

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Sugilite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Halite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 2.17 whereas that of Halite is 2.17.