×

Polyhalite
Polyhalite

Celestine
Celestine



ADD
Compare
X
Polyhalite
X
Celestine

Polyhalite and Celestine Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.783.90-4.00
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

Perfect on {10 1 }; parting on {010}
Perfect on {001}, good on {210}, poor on {010}

Mohs Hardness

3.53-3.5
2 10
👆🏻

Chemical Composition

K2Ca2Mg(SO4)4·2H2O
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Polyhalite and Celestine Chemical Formula

While comparing Polyhalite and Celestine 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 Celestine chemical formula.

  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
  • Chemical formula of Celestine- SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Polyhalite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.