×

Pollucite
Pollucite

Kurnakovite
Kurnakovite



ADD
Compare
X
Pollucite
X
Kurnakovite

Pollucite and Kurnakovite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Readily soluble in HF
Soluble

Durability

-
-

Specific Gravity

2.86-2.941.847-1.852
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

None observed
Poor to indistinct on {010}

Mohs Hardness

6.5-72-3
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Ca3Al3(SiO4)3(OH)

Pollucite and Kurnakovite Chemical Formula

While comparing Pollucite and Kurnakovite 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 Pollucite and Kurnakovite chemical formula.

  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)

Pollucite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.