Tourmaline and Microcline Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.35
  
2.55-2.63
  
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, Gems
  
Cleavage
Indistinct
  
{001} Perfect, {010} Good
  
Mohs Hardness
7-7.5
  
6-6.5
  
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
  
Tourmaline and Microcline Chemical Formula
While comparing Tourmaline and Microcline 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 Microcline 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 Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Tourmaline and Microcline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tourmaline and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Microcline Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.55-2.63 whereas that of Microcline is 2.55-2.63.