Kainite and Pyrophyllite Physical Properties

Kainite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.152.65-2.90

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{001}, perfect

{001} Perfect

1.7 Mohs Hardness

2.5-3Not Available

2 10

1.8 Chemical Composition

Not Available

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

Kainite and Pyrophyllite Chemical Formula

While comparing Kainite 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 Kainite and Pyrophyllite 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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Kainite and Pyrophyllite Specific Gravity

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