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