Jade and Precious Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.38
1.98-2.25
Fracture
Gemstones of the world (2001), Difficult, Splintery
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Cleavage
1 or 2,2 prismatic.
Not Available
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
SiO 2 · nH 2OGemdat.org , Management Team (2012)
Jade and Precious Opal Chemical Formula
While comparing Jade and Precious 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 Precious Opal chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
Jade and Precious Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Jade is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.