Adamite and Pyrophyllite Physical Properties

Adamite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.482.65-2.90

1 7.18

1.5 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{101}, good; {010}, poor

{001} Perfect

1.7 Mohs Hardness

3.5Not Available

2 10

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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

Adamite and Pyrophyllite Chemical Formula

While comparing Adamite 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 Adamite and Pyrophyllite chemical formula.

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

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Adamite and Pyrophyllite Specific Gravity

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