Staurolite and Jade Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.7-3.8
  
2.90-3.38
  
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Gemstones of the world (2001), Difficult, Splintery
  
Cleavage
Distinct on {010}
  
1 or 2,2 prismatic.
  
Mohs Hardness
7-7.5
  
6-7
  
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
  
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
  
Staurolite and Jade Chemical Formula
While comparing Staurolite and Jade 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 Staurolite and Jade chemical formula.
- Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Staurolite and Jade Specific Gravity
Another important criteria for qualitative analysis of gemstones is Staurolite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Jade Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 2.90-3.38 whereas that of Jade is 2.90-3.38.