Carnelian and Alabaster Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.58-2.64
  
2.30
  
Fracture
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
  
Not Available
  
Cleavage
Absent
  
Not Available
  
Mohs Hardness
6.5-7
  
2
  
Chemical Composition
SiO2
  
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
  
Carnelian and Alabaster Chemical Formula
While comparing Carnelian and Alabaster 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 Carnelian and Alabaster chemical formula.
- Chemical formula of Carnelian- SiO2
- Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Carnelian and Alabaster Specific Gravity
Another important criteria for qualitative analysis of gemstones is Carnelian and Alabaster Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Alabaster Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 2.30 whereas that of Alabaster is 2.30.