×

Lazulite
Lazulite

Polyhalite
Polyhalite



ADD
Compare
X
Lazulite
X
Polyhalite

Lazulite and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.04-3.17
Uneven
{001} Indistinct, {???} Indistinct
5.5
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Lazulite and Polyhalite Chemical Formula

While comparing Lazulite and Polyhalite 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 Lazulite and Polyhalite chemical formula.

    >>

Lazulite and Polyhalite Specific Gravity

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