Sinhalite and Pyrophyllite Physical Properties

Sinhalite

Pyrophyllite

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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

3.46-3.502.65-2.90

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

Not Available

{001} Perfect

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sinhalite and Pyrophyllite Chemical Formula

While comparing Sinhalite and Pyrophyllite 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 Sinhalite and Pyrophyllite chemical formula.

Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sinhalite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sinhalite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sinhalite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Sinhalite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.