Andesine and Creedite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65-2.69
  
2.70
  
Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
  
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
Perfect on {001}, good on {010}
  
Perfect on {100}
  
Mohs Hardness
6-6.5
  
4.5
  
Chemical Composition
(Na,Ca)Al1-2Si3-2O8
  
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
  
Andesine and Creedite Chemical Formula
While comparing Andesine 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 Andesine and Creedite chemical formula.
- Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
- Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Andesine and Creedite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andesine and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Creedite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 2.70 whereas that of Creedite is 2.70.