Tourmaline and Edenite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
3.05-3.37
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Brittle, Conchoidal
Cleavage
Indistinct
Good on (110)
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
NaCa2Mg5Si7AlO22(OH)2
Tourmaline and Edenite Chemical Formula
While comparing Tourmaline and Edenite 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 Tourmaline and Edenite chemical formula.
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
- Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Tourmaline and Edenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tourmaline and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Edenite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.05-3.37 whereas that of Edenite is 3.05-3.37.