Pyrophyllite and Caledonite Physical Properties

Pyrophyllite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.905.6-5.76

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

{001} Perfect

[001] perfect; [100] distinct

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Pyrophyllite and Caledonite Chemical Formula

While comparing Pyrophyllite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Pyrophyllite Vs Sardonyx

Pyrophyllite Vs Scorzalite

Pyrophyllite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.