Agate and Pyrophyllite Physical Properties

Agate

Pyrophyllite

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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

2.60-2.642.65-2.90

1 7.18

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

Indiscernible

{001} Perfect

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

SiO₂

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

Agate and Pyrophyllite Chemical Formula

While comparing Agate 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 Agate and Pyrophyllite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Agate and Pyrophyllite Specific Gravity

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