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Chrysocolla and Gahnite Physical Properties


Gahnite and Chrysocolla Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.00-2.45   
4.00-4.62   

Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Conchoidal, Uneven   

Cleavage
none   
Indistinct parting on [111]   

Mohs Hardness
2-4   
7.5-8   

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

Optical Properties >>
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Chrysocolla and Gahnite Chemical Formula

While comparing Chrysocolla and Gahnite 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 Chrysocolla and Gahnite chemical formula.

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Chrysocolla and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysocolla and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysocolla and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Chrysocolla is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.

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