Diaspore and Pyrophyllite Physical Properties

Diaspore

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Very brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.402.65-2.90

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

{001} Perfect

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Diaspore and Pyrophyllite Chemical Formula

While comparing Diaspore 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 Diaspore and Pyrophyllite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Diaspore and Pyrophyllite Specific Gravity

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