Sugilite and Piemontite Physical Properties

Sugilite

Piemontite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.79Not Available

1 7.18

1.5 Fracture

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

Uneven, Splintery

1.6 Cleavage

Poor on {0001}

[001] good, [100] distinct

1.7 Mohs Hardness

5.5-6.56-6.5

2 10

1.8 Chemical Composition

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

Not Available

Sugilite and Piemontite Chemical Formula

While comparing Sugilite and Piemontite 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 Sugilite and Piemontite 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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Sugilite and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is Not Available whereas that of Piemontite is Not Available.