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Taaffeite
Taaffeite

Willemite
Willemite



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Taaffeite
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Willemite

Taaffeite and Willemite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.60-3.613.89-4.18
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

Imperfect/fair/absent
{0001}, {11 2 0} imperfect

Mohs Hardness

8-8.55.5
2 10
👆🏻

Chemical Composition

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Taaffeite and Willemite Chemical Formula

While comparing Taaffeite 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 Taaffeite and Willemite chemical formula.

  • Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Taaffeite and Willemite Specific Gravity

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