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Gahnite
Gahnite

Chrysocolla
Chrysocolla



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Gahnite
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Chrysocolla

Gahnite and Chrysocolla Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

4.00-4.622.00-2.45
1 7.18
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Fracture

Conchoidal, Uneven
Sub-Conchoidal, Conchoidal

Cleavage

Indistinct parting on [111]
none

Mohs Hardness

7.5-82-4
2 10
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Chemical Composition

ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Cu2H2Si2O5(OH)4

Gahnite and Chrysocolla Chemical Formula

While comparing Gahnite and Chrysocolla 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 Gahnite and Chrysocolla chemical formula.

  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Chrysocolla- Cu2H2Si2O5(OH)4

Gahnite and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.