Baryte and Ettringite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Partially soluble in water
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.3-5
  
1.77
  
Fracture
Irregular/uneven
  
Not Available
  
Cleavage
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
  
Perfect on {10 1 0}
  
Mohs Hardness
3-3.5
  
2-2.5
  
Chemical Composition
Not Available
  
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Baryte and Ettringite Chemical Formula
While comparing Baryte and Ettringite 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 Baryte and Ettringite chemical formula.
>- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Baryte and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Baryte and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Baryte and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Baryte is 1.77 whereas that of Ettringite is 1.77.