Pyrophyllite and Kurnakovite Physical Properties

Pyrophyllite

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.901.847-1.852

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Brittle, Conchoidal

1.6 Cleavage

{001} Perfect

Poor to indistinct on {010}

1.7 Mohs Hardness

Not Available2-3

2 10

1.8 Chemical Composition

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

Not Available

Pyrophyllite and Kurnakovite Chemical Formula

While comparing Pyrophyllite and Kurnakovite 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 Kurnakovite chemical formula.

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

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Pyrophyllite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.