Opal and Catapleiite Physical Properties
Tenacity
BrittleWalter Schumann
Not Available
Solubility
hot salt water
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.98-2.25
2.72
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
Brittle, Metallic, Brittle, Metallic
Cleavage
None
{110} Perfect, {010} Perfect
Chemical Composition
SiO2 · nH2O
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Opal and Catapleiite Chemical Formula
While comparing Opal and Catapleiite 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 Catapleiite chemical formula.
- Chemical formula of Opal- SiO2 · nH2O
- Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Opal and Catapleiite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Opal and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Opal is 2.72 whereas that of Catapleiite is 2.72.