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Scheelite
Scheelite

Willemite
Willemite



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Scheelite
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Scheelite and Willemite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

5.9-6.33.89-4.18
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal, Uneven

Cleavage

On {101}, distinct; on {112}, interrupted; on {001}, indistinct
{0001}, {11 2 0} imperfect

Mohs Hardness

4.5-55.5
2 10
👆🏻

Chemical Composition

CaWO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Scheelite and Willemite Chemical Formula

While comparing Scheelite and Willemite 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 Willemite chemical formula.

  • Chemical formula of Scheelite- CaWO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Scheelite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.