×

Black Opal
Black Opal

Orthoclase
Orthoclase



ADD
Compare
X
Black Opal
X
Orthoclase

Black Opal and Orthoclase 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.
 
-
-
-
2.54-2.61
Uneven
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
6
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Black Opal and Orthoclase Chemical Formula

While comparing Black Opal and Orthoclase 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 Orthoclase chemical formula.

    >>

Black Opal and Orthoclase Specific Gravity

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