Hematite and Pyrophyllite Physical Properties

Hematite

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

5.00-5.302.65-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

None, may show partings on {0001} and {10 1 1}

{001} Perfect

1.7 Mohs Hardness

6Not Available

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Hematite and Pyrophyllite Chemical Formula

While comparing Hematite 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 Hematite and Pyrophyllite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hematite and Pyrophyllite Specific Gravity

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