Friedelite and Pyrophyllite Physical Properties

Friedelite

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

3.06-3.192.65-2.90

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{010} Perfect

{001} Perfect

1.7 Mohs Hardness

4-5Not Available

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Pyrophyllite Chemical Formula

While comparing Friedelite 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 Friedelite and Pyrophyllite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Friedelite and Pyrophyllite Specific Gravity

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