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Hanksite
Hanksite

Black Opal
Black Opal



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Hanksite
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Black Opal

Hanksite and Black Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Readily soluble in water
-

Durability

-
-

Specific Gravity

2.5621.97-2.22
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Conchoidal

Cleavage

Good on {0001}
None

Mohs Hardness

3-3.56-6.5
2 10
👆🏻

Chemical Composition

KNa22(SO4)9(CO3)2Cl
SiO 2 + H 2OUlrich Henn and Claudio C.

Hanksite and Black Opal Chemical Formula

While comparing Hanksite 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 Hanksite and Black Opal chemical formula.

  • Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl
  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Hanksite and Black Opal Specific Gravity

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