Jade and Crystal Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.38
1.97-2.22
Fracture
Gemstones of the world (2001), Difficult, Splintery
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
1 or 2,2 prismatic.
Not Available
Mohs Hardness
6-7
5.5-6.5
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
SiO 2 + H 2OUlrich Henn and Claudio C.
Jade and Crystal Opal Chemical Formula
While comparing Jade and Crystal Opal 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 Jade and Crystal Opal chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Jade and Crystal Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Jade is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.