Quartz and Tourmaline Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.85-3.35
Fracture
Conchoidal, Conchoidal, Brittle, Gems
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{0110} Indistinct
Indistinct
Chemical Composition
SiO2
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Quartz and Tourmaline Chemical Formula
While comparing Quartz 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 Quartz and Tourmaline chemical formula.
- Chemical formula of Quartz- SiO2
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Quartz and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Quartz and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Quartz and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Quartz is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.