×

Polyhalite
Polyhalite

Meionite
Meionite



ADD
Compare
X
Polyhalite
X
Meionite

Polyhalite and Meionite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.782.78
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

Perfect on {10 1 }; parting on {010}
{???} Distinct, {???} Indistinct

Mohs Hardness

3.55-6
2 10
👆🏻

Chemical Composition

K2Ca2Mg(SO4)4·2H2O
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Polyhalite and Meionite Chemical Formula

While comparing Polyhalite and Meionite 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 Polyhalite and Meionite chemical formula.

  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
  • Chemical formula of Meionite- 3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Polyhalite and Meionite Specific Gravity

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