Verdite and Sugilite Physical Properties

Verdite

Sugilite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.02.69-2.79

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{110} Good

Poor on {0001}

1.7 Mohs Hardness

35.5-6.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Sugilite Chemical Formula

While comparing Verdite 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 Verdite and Sugilite chemical formula.

Chemical formula of Verdite- NaFeS2•2(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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Verdite and Sugilite Specific Gravity

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