Chrome Tourmaline and Norbergite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.35
  
3.177
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
3,2
  
{???} Distinct
  
Mohs Hardness
7-7.5
  
6-6.5
  
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.
  
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
  
Chrome Tourmaline and Norbergite Chemical Formula
While comparing Chrome Tourmaline and Norbergite 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 Chrome Tourmaline and Norbergite chemical formula.
- Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
- Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chrome Tourmaline and Norbergite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 3.177 whereas that of Norbergite is 3.177.