Pyrophyllite and Kornerupine Physical Properties

Pyrophyllite

Kornerupine

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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

2.65-2.903.25-3.45

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

{001} Perfect

Good on {110}

1.7 Mohs Hardness

Not Available6.5

2 10

1.8 Chemical Composition

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

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Pyrophyllite and Kornerupine Chemical Formula

While comparing Pyrophyllite and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Blue Gemstones

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Pyrophyllite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.