Jade and Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.38
2.85-3.35
Fracture
Gemstones of the world (2001), Difficult, Splintery
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
1 or 2,2 prismatic.
Indistinct
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Jade and Tourmaline Chemical Formula
While comparing Jade and Tourmaline 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 Tourmaline chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Jade and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.