Verdite and Pyrophyllite Physical Properties

Verdite

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

2.80-3.02.65-2.90

1 7.18

1.5 Fracture

Not Available

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{110} Good

{001} Perfect

1.7 Mohs Hardness

3Not Available

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Pyrophyllite Chemical Formula

While comparing Verdite 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 Verdite and Pyrophyllite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Verdite Vs Yttrium Aluminium Garnet

Verdite Vs White Opal

Verdite Vs Zircon

Verdite and Pyrophyllite Specific Gravity

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