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Kurnakovite
Kurnakovite

Pollucite
Pollucite



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Kurnakovite
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Pollucite

Kurnakovite and Pollucite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

Soluble
Readily soluble in HF

Durability

-
-

Specific Gravity

1.847-1.8522.86-2.94
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

Poor to indistinct on {010}
None observed

Mohs Hardness

2-36.5-7
2 10
👆🏻

Chemical Composition

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

Kurnakovite and Pollucite Chemical Formula

While comparing Kurnakovite and Pollucite 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 Kurnakovite and Pollucite chemical formula.

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

Kurnakovite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kurnakovite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kurnakovite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Kurnakovite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.