Crystal Opal and Catapleiite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.97-2.22
2.72
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Brittle, Metallic, Brittle, Metallic
Cleavage
Not Available
{110} Perfect, {010} Perfect
Mohs Hardness
5.5-6.5
5-6
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Crystal Opal and Catapleiite Chemical Formula
While comparing Crystal 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 Crystal Opal and Catapleiite chemical formula.
- Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Crystal Opal and Catapleiite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Crystal Opal and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is 2.72 whereas that of Catapleiite is 2.72.