Prasiolite and Pyrophyllite Physical Properties

Prasiolite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.65-2.90

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

3,1

{001} Perfect

1.7 Mohs Hardness

7Not Available

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Pyrophyllite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Pyrophyllite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Prasiolite and Pyrophyllite Specific Gravity

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