Halite and Sugilite Physical Properties

Halite

Sugilite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Water-soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.172.69-2.79

1 7.18

1.5 Fracture

Conchoidal, Brittle, Metallic

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

1.6 Cleavage

Perfect {001}, three directions cubic

Poor on {0001}

1.7 Mohs Hardness

2.0-2.55.5-6.5

2 10

1.8 Chemical Composition

NaCl

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

Halite and Sugilite Chemical Formula

While comparing Halite 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 Halite and Sugilite chemical formula.

Chemical formula of Halite- NaCl
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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Halite and Sugilite Specific Gravity

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