Variscite and Sugilite Physical Properties

Variscite

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

2.42-2.582.69-2.79

1 7.18

1.5 Fracture

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

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

1.6 Cleavage

[010] perfect

Poor on {0001}

1.7 Mohs Hardness

4-55.5-6.5

2 10

1.8 Chemical Composition

AlPO₄ · 2(H₂O)

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

Variscite and Sugilite Chemical Formula

While comparing Variscite 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 Variscite and Sugilite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Virgo

Variscite Vs Amazonite

Variscite Vs Garnet

Variscite Vs Aragonite

Variscite and Sugilite Specific Gravity

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