Rutile and Chrome-Chalcedony Physical Properties
Tenacity
Not Available
Not Available
Solubility
Insoluble in acids
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.20-4.30
2.55-2.70
Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Not Available
Mohs Hardness
6-6.5
6.5-7
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Rutile and Chrome-Chalcedony Chemical Formula
While comparing Rutile 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 Rutile and Chrome-Chalcedony chemical formula.
- Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Rutile and Chrome-Chalcedony Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rutile and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.