Crocoite and Pyrophyllite Physical Properties

Crocoite

Pyrophyllite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.90-6.102.65-2.90

1 7.18

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Fracture

Conchoidal

Cleavage

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

{001} Perfect

Mohs Hardness

2.5-3-9999

2 10

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Chemical Composition

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

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

Crocoite and Pyrophyllite Chemical Formula

While comparing Crocoite 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 Crocoite and Pyrophyllite chemical formula.

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

Compare Red Gemstones

Crocoite Vs Friedelite

Crocoite Vs Hexagonite

Crocoite Vs Imperial Topaz

Crocoite and Pyrophyllite Specific Gravity

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