Thulite and Chrome-Chalcedony Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.1
  
2.55-2.70
  
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Not Available
  
Cleavage
Perfect {010} imperfect {100}
  
Not Available
  
Mohs Hardness
6-7
  
6.5-7
  
Chemical Composition
Ca2Al3(SiO4)3(OH)
  
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
  
Thulite and Chrome-Chalcedony Chemical Formula
While comparing Thulite and Chrome-Chalcedony 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 Thulite and Chrome-Chalcedony chemical formula.
- Chemical formula of Thulite- Ca2Al3(SiO4)3(OH)
- Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Thulite and Chrome-Chalcedony Specific Gravity
Another important criteria for qualitative analysis of gemstones is Thulite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Thulite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.