×

Forsterite
Forsterite

Langbeinite
Langbeinite



ADD
Compare
X
Forsterite
X
Langbeinite

Forsterite and Langbeinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Slowly dissolves in water

Durability

-
-

Specific Gravity

3.23-3.26-9999
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

Perfect on {010} imperfect on {100}
None

Mohs Hardness

6.5-73.5-4
2 10
👆🏻

Chemical Composition

Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
K2Mg2(SO4)3

Forsterite and Langbeinite Chemical Formula

While comparing Forsterite 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 Forsterite and Langbeinite chemical formula.

  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Langbeinite- K2Mg2(SO4)3

Forsterite and Langbeinite Specific Gravity

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