Tourmaline and Cuprite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
5.85-6.15
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Indistinct
Fair in four directions forming octahedrons
Mohs Hardness
7-7.5
3.5-4
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Tourmaline and Cuprite Chemical Formula
While comparing Tourmaline and Cuprite 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 Cuprite 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 Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Tourmaline and Cuprite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tourmaline and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.