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Opal
Opal

Chrysocolla
Chrysocolla



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Opal
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Opal and Chrysocolla Physical Properties

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1 Physical Properties
1.1 Tenacity
BrittleWalter Schumann
Brittle
1.2 Solubility
hot salt water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.25
2.00-2.45
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
None
none
1.7 Mohs Hardness
5-6.5
2-4
1.8 Chemical Composition
SiO2 · nH2O
Cu2H2Si2O5(OH)4

Opal and Chrysocolla Chemical Formula

While comparing Opal 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 Opal and Chrysocolla chemical formula.

  • Chemical formula of Opal- SiO2 · nH2O
  • Chemical formula of Chrysocolla- Cu2H2Si2O5(OH)4

Opal and Chrysocolla Specific Gravity

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