Purpurite and Pyrophyllite Physical Properties

Purpurite

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

3.2-3.42.65-2.90

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

[100] [001] perfect

{001} Perfect

1.7 Mohs Hardness

4-4.5Not Available

2 10

1.8 Chemical Composition

MnPO 4Walter 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

Purpurite and Pyrophyllite Chemical Formula

While comparing Purpurite 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 Purpurite and Pyrophyllite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter 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

Compare Violet Gemstones

Purpurite Vs Sard

Purpurite Vs Sapphire

Purpurite Vs Sardonyx

Purpurite and Pyrophyllite Specific Gravity

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