Apache Tear and Tourmaline Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
2.85-3.35
  
Fracture
Conchoidal
  
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Indistinct
  
Mohs Hardness
5-5.5
  
7-7.5
  
Chemical Composition
Not Available
  
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
Apache Tear and Tourmaline Chemical Formula
While comparing Apache Tear 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 Apache Tear and Tourmaline 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.
Apache Tear and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apache Tear and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apache Tear and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Apache Tear is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.