Zinnwaldite and Sugilite Physical Properties

Zinnwaldite

Sugilite

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.12.69-2.79

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal {001}

Poor on {0001}

1.7 Mohs Hardness

3.5-4.05.5-6.5

2 10

1.8 Chemical Composition

Not Available

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

Zinnwaldite and Sugilite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Sugilite 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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Zinnwaldite and Sugilite Specific Gravity

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