Sugilite and Vesuvianite Physical Properties

Sugilite

Vesuvianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Vesuvianite is virtually insolouble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.793.32-3.43

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Poor on {0001}

Poor on {110} and {100} very poor on {001}

1.7 Mohs Hardness

5.5-6.56-7

2 10

1.8 Chemical Composition

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

Not Available

Sugilite and Vesuvianite Chemical Formula

While comparing Sugilite and Vesuvianite 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 Vesuvianite chemical formula.

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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Sugilite and Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.