Aventurine and Tourmaline Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.64-2.69
  
2.85-3.35
  
Fracture
Conchoidal
  
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Indiscernible
  
Indistinct
  
Mohs Hardness
7-6.5
  
7-7.5
  
Chemical Composition
SiO2
  
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
Aventurine and Tourmaline Chemical Formula
While comparing Aventurine 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 Aventurine and Tourmaline chemical formula.
- Chemical formula of Aventurine- SiO2
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Aventurine and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Aventurine and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aventurine and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Aventurine is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.