Jadeite and Gahnite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.28-3.38
4.00-4.62
Fracture
Splintery, UnevenArthur Thomas, Difficult, Fibrous
Conchoidal, Uneven
Cleavage
Good on [110]
Indistinct parting on [111]
Mohs Hardness
6.5-7
7.5-8
Chemical Composition
NaAlSi 2O 6Ulrich Henn and Claudio C.
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Jadeite and Gahnite Chemical Formula
While comparing Jadeite and Gahnite 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 Jadeite and Gahnite chemical formula.
- Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Jadeite and Gahnite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jadeite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jadeite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Jadeite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.