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Willemite
Willemite

Langbeinite
Langbeinite



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Willemite
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Langbeinite

Willemite and Langbeinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Slowly dissolves in water

Durability

-
-

Specific Gravity

3.89-4.18-9999
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

{0001}, {11 2 0} imperfect
None

Mohs Hardness

5.53.5-4
2 10
👆🏻

Chemical Composition

Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
K2Mg2(SO4)3

Willemite and Langbeinite Chemical Formula

While comparing Willemite and Langbeinite 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 Willemite and Langbeinite chemical formula.

  • Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Langbeinite- K2Mg2(SO4)3

Willemite and Langbeinite Specific Gravity

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