Rossmanite and Jade Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3
2.90-3.38
Fracture
Brittle, Metallic
Gemstones of the world (2001), Difficult, Splintery
Cleavage
None
1 or 2,2 prismatic.
Mohs Hardness
Not Available
6-7
Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Rossmanite and Jade Chemical Formula
While comparing Rossmanite and Jade 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 Rossmanite and Jade chemical formula.
- Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Rossmanite and Jade Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rossmanite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Jade Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.90-3.38 whereas that of Jade is 2.90-3.38.