Tourmaline and Halite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Water-soluble
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
2.17
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Brittle, Metallic
Cleavage
Indistinct
Perfect {001}, three directions cubic
Mohs Hardness
7-7.5
2.0-2.5
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
NaCl
Tourmaline and Halite Chemical Formula
While comparing Tourmaline and Halite 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 Halite 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 Halite- NaCl
Tourmaline and Halite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tourmaline and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Halite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.17 whereas that of Halite is 2.17.