×

Precious Opal
Precious Opal

Smithsonite
Smithsonite



ADD
Compare
X
Precious Opal
X
Smithsonite

Precious Opal and Smithsonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
Brittle
-
-
4.00-4.65
Uneven, Sub-Conchoidal
Perfect on [1011]
5-5.5
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Precious Opal and Smithsonite Chemical Formula

While comparing Precious Opal and Smithsonite 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 Precious Opal and Smithsonite chemical formula.

    >>

Precious Opal and Smithsonite Specific Gravity

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