Willemite and Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.89-4.18
2.85-3.35
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{0001}, {11 2 0} imperfect
Indistinct
Chemical Composition
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Willemite and Tourmaline Chemical Formula
While comparing Willemite 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 Willemite and Tourmaline chemical formula.
- Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Willemite and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Willemite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Willemite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.