Moldavite and Pyrophyllite Physical Properties

Moldavite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.3 Solubility

Not Available

2.5 Durability

Not Available

2.6 Specific Gravity

2.32-2.382.65-2.90

1 7.18

2.7 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

2.8 Cleavage

Not Available

{001} Perfect

2.9 Mohs Hardness

5.5Not Available

2 10

2.10 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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

Moldavite and Pyrophyllite Chemical Formula

While comparing Moldavite 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 Moldavite and Pyrophyllite chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Moldavite and Pyrophyllite Specific Gravity

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