Alabaster and Riebeckite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30
  
3.28-3.44
  
Fracture
Not Available
  
Uneven, Splintery, Brittle
  
Cleavage
Not Available
  
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
  
Mohs Hardness
2
  
5.0-6.0
  
Chemical Composition
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
  
Not Available
  
Alabaster and Riebeckite Chemical Formula
While comparing Alabaster and Riebeckite 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 Alabaster and Riebeckite chemical formula.
- Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
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Alabaster and Riebeckite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Alabaster and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.