Pyrophyllite and Crocoite Physical Properties

Pyrophyllite

Crocoite

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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

2.65-2.905.90-6.10

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

{001} Perfect

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

Not Available2.5-3

2 10

1.8 Chemical Composition

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

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyrophyllite and Crocoite Chemical Formula

While comparing Pyrophyllite and Crocoite 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 Crocoite chemical formula.

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

Compare Blue Gemstones

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Pyrophyllite Vs Scorzalite

Pyrophyllite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.