Pyrophyllite and Vishnevite Physical Properties

Pyrophyllite

Vishnevite

Add ⊕

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.

Brittle, Uneven

1.6 Cleavage

{001} Perfect

Perfect

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

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

Not Available

Pyrophyllite and Vishnevite Chemical Formula

While comparing Pyrophyllite and Vishnevite 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 Vishnevite chemical formula.

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

Compare Blue Gemstones

Pyrophyllite Vs Scorzalite

Pyrophyllite Vs Sardonyx

Pyrophyllite Vs Sard

Pyrophyllite and Vishnevite Specific Gravity

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