Gyrolite and Sugilite Physical Properties

Gyrolite

Sugilite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.482.69-2.79

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

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

1.6 Cleavage

Perfect on {001}

Poor on {0001}

1.7 Mohs Hardness

25.5-6.5

2 10

1.8 Chemical Composition

NaCa16Si23AlO60(OH)8•64(H2O)

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

Gyrolite and Sugilite Chemical Formula

While comparing Gyrolite 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 Gyrolite and Sugilite chemical formula.

Chemical formula of Gyrolite- NaCa16Si23AlO60(OH)8•64(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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Gyrolite and Sugilite Specific Gravity

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