Pyrophyllite and Simpsonite Physical Properties

Pyrophyllite

Simpsonite

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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

2.65-2.90Not Available

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

{001} Perfect

None

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

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

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Pyrophyllite and Simpsonite Chemical Formula

While comparing Pyrophyllite and Simpsonite 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 Pyrophyllite and Simpsonite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Compare Blue Gemstones

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Pyrophyllite and Simpsonite Specific Gravity

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