Cordierite and Scheelite Physical Properties

Cordierite

Scheelite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.665.9-6.3

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

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

1.6 Cleavage

Fair on {100}, poor on {001} and {010}

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

1.7 Mohs Hardness

7-7.54.5-5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

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

Cordierite and Scheelite Chemical Formula

While comparing Cordierite and Scheelite 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 Cordierite and Scheelite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cordierite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.