×

Wernerite
Wernerite

Black Opal
Black Opal



ADD
Compare
X
Wernerite
X
Black Opal

Wernerite and Black Opal Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.50-2.801.97-2.22
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

Perfect
None

Mohs Hardness

5-6.56-6.5
2 10
👆🏻

Chemical Composition

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
SiO 2 + H 2OUlrich Henn and Claudio C.

Wernerite and Black Opal Chemical Formula

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

  • Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Wernerite and Black Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wernerite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wernerite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Wernerite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.