×

Faustite
Faustite

Langbeinite
Langbeinite



ADD
Compare
X
Faustite
X
Langbeinite

Faustite and Langbeinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Slowly dissolves in water

Durability

-
-

Specific Gravity

2.9-9999
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

{???} Indistinct
None

Mohs Hardness

4.53.5-4
2 10
👆🏻

Chemical Composition

(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
K2Mg2(SO4)3

Faustite and Langbeinite Chemical Formula

While comparing Faustite 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 Faustite and Langbeinite chemical formula.

  • Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Langbeinite- K2Mg2(SO4)3

Faustite and Langbeinite Specific Gravity

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