Chiastolite and Creedite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.00-3.15
  
2.70
  
Fracture
Not Available
  
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
Not Available
  
Perfect on {100}
  
Mohs Hardness
5-5.5
  
4.5
  
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
  
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
  
Chiastolite and Creedite Chemical Formula
While comparing Chiastolite and Creedite 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 Chiastolite and Creedite chemical formula.
- Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
- Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chiastolite and Creedite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chiastolite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chiastolite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Chiastolite is 2.70 whereas that of Creedite is 2.70.