×

Pollucite
Pollucite

Opal
Opal



ADD
Compare
X
Pollucite
X
Opal

Pollucite and Opal Physical Properties

Add ⊕
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Readily soluble in HF
-
2.86-2.94
Conchoidal, Uneven
None observed
6.5-7
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Pollucite and Opal Chemical Formula

While comparing Pollucite and Opal 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 Opal chemical formula.

    >>

Pollucite and Opal Specific Gravity

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