Stolzite and Sugilite Physical Properties

Stolzite

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

22.69-2.79

1 7.18

1.5 Fracture

Conchoidal, Uneven, Brittle

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

1.6 Cleavage

Imperfect on {001}, indistinct on {011}

Poor on {0001}

1.7 Mohs Hardness

2.5-35.5-6.5

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

Stolzite and Sugilite Chemical Formula

While comparing Stolzite 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 Stolzite 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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Stolzite and Sugilite Specific Gravity

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