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Pollucite
Pollucite

Uvarovite
Uvarovite



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Pollucite
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Uvarovite

Pollucite and Uvarovite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Readily soluble in HF
-

Durability

-
-

Specific Gravity

2.86-2.943.77
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven, Conchoidal

Cleavage

None observed
None

Mohs Hardness

6.5-76.5-7.5
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Pollucite and Uvarovite Chemical Formula

While comparing Pollucite and Uvarovite 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 Uvarovite 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 Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Pollucite and Uvarovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Uvarovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Uvarovite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.77 whereas that of Uvarovite is 3.77.