Agrellite and Rock Crystal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.88
  
2.65
  
Fracture
Not Available
  
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
perfect [110]
  
Not Available
  
Mohs Hardness
5.5
  
7
  
Chemical Composition
NaCa2Si4O10F
  
SiO 2Walter Schumann , Gemstones of the world (2001)
  
Agrellite and Rock Crystal Chemical Formula
While comparing Agrellite and Rock Crystal 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 Agrellite and Rock Crystal chemical formula.
- Chemical formula of Agrellite- NaCa2Si4O10F
- Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Agrellite and Rock Crystal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Agrellite and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agrellite and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Agrellite is 2.65 whereas that of Rock Crystal is 2.65.