Tourmaline and Atacamite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
3.745-3.776
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Brittle
Cleavage
Indistinct
Perfect on {010}, fair on {101}
Mohs Hardness
7-7.5
3-3.5
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Cu2Cl(OH)3
Tourmaline and Atacamite Chemical Formula
While comparing Tourmaline and Atacamite 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 Atacamite 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 Atacamite- Cu2Cl(OH)3
Tourmaline and Atacamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tourmaline and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.