Pyrophyllite and Adamite Physical Properties

Pyrophyllite

Adamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.904.32-4.48

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

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

1.6 Cleavage

{001} Perfect

{101}, good; {010}, poor

1.7 Mohs Hardness

Not Available3.5

2 10

1.8 Chemical Composition

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

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

Pyrophyllite and Adamite Chemical Formula

While comparing Pyrophyllite and Adamite 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 Adamite chemical formula.

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

Compare Blue Gemstones

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Pyrophyllite Vs Sardonyx

Pyrophyllite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.