Pyrophyllite and Jeremejevite Physical Properties

Pyrophyllite

Jeremejevite

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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

2.65-2.903.28-3.31

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{001} Perfect

None observed

1.7 Mohs Hardness

Not Available6.5-7.5

2 10

1.8 Chemical Composition

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

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Pyrophyllite and Jeremejevite Chemical Formula

While comparing Pyrophyllite and Jeremejevite 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 Jeremejevite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Pyrophyllite and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.