×

Black Opal
Black Opal

Thomsonite
Thomsonite



ADD
Compare
X
Black Opal
X
Thomsonite

Black Opal and Thomsonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
-
-
-
2.25-2.40
-
perfect on {010}; good on {100}
5-5.5
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Black Opal and Thomsonite Chemical Formula

While comparing Black Opal and Thomsonite 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 Black Opal and Thomsonite chemical formula.

    >>

Black Opal and Thomsonite Specific Gravity

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