Barite and Sugilite Physical Properties

Barite

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

4.482.69-2.79

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

Poor on {0001}

1.7 Mohs Hardness

3-3.55.5-6.5

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Sugilite Chemical Formula

While comparing Barite 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 Barite and Sugilite chemical formula.

Chemical formula of Barite- BaSO4
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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Barite and Sugilite Specific Gravity

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