Scheelite and Pyrophyllite Physical Properties

Scheelite

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

5.9-6.32.65-2.90

1 7.18

1.5 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

{001} Perfect

1.7 Mohs Hardness

4.5-5Not Available

2 10

1.8 Chemical Composition

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Scheelite and Pyrophyllite Chemical Formula

While comparing Scheelite 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 Scheelite and Pyrophyllite chemical formula.

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

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Scheelite and Pyrophyllite Specific Gravity

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