×

Rosasite
Rosasite

Polyhalite
Polyhalite



ADD
Compare
X
Rosasite
X
Polyhalite

Rosasite and Polyhalite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Effervesces in cold
Soluble

Durability

-
-

Specific Gravity

4-4.22.78
1 7.18
👆🏻

Fracture

Splintery
Conchoidal

Cleavage

Perfect on {100} and {010}
Perfect on {10 1 }; parting on {010}

Mohs Hardness

43.5
2 10
👆🏻

Chemical Composition

CuZn(CO3)(OH)2
K2Ca2Mg(SO4)4·2H2O

Rosasite and Polyhalite Chemical Formula

While comparing Rosasite 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 Rosasite and Polyhalite chemical formula.

  • Chemical formula of Rosasite- CuZn(CO3)(OH)2
  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Rosasite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rosasite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rosasite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Rosasite is 2.78 whereas that of Polyhalite is 2.78.