Kyanite Cyprine and Staurolite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.55-3.70
  
3.7-3.8
  
Fracture
Gemstones (2009)
  
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
Not Available
  
Distinct on {010}
  
Mohs Hardness
4-7
  
7-7.5
  
Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
  
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
  
Kyanite Cyprine and Staurolite Chemical Formula
While comparing Kyanite Cyprine and Staurolite 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 Kyanite Cyprine and Staurolite chemical formula.
- Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
- Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Kyanite Cyprine and Staurolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Kyanite Cyprine and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite Cyprine and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Kyanite Cyprine is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.