Cassiterite and Tourmaline Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
6.86-7.03
2.85-3.35
Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Indistinct
Chemical Composition
SnO 2Michael 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.
Cassiterite and Tourmaline Chemical Formula
While comparing Cassiterite 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 Cassiterite and Tourmaline chemical formula.
- Chemical formula of Cassiterite- SnO 2Michael 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.
Cassiterite and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cassiterite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.