Stichtite and Sugilite Physical Properties

Stichtite

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

2.11-2.20

2.69-2.79

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

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

1.6 Cleavage

Perfect on {0001}

Poor on {0001}

1.7 Mohs Hardness

Not Available

5.5-6.5

1.8 Chemical Composition

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Stichtite and Sugilite Chemical Formula

While comparing Stichtite 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 Stichtite and Sugilite chemical formula.

Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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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Stichtite and Sugilite Specific Gravity

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