Chrome Pyrope and Blue John Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.62-3.80
3.00-3.25
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Not Available
Cleavage
Not Available
Not Available
Mohs Hardness
7-7.5
Not Available
Chemical Composition
Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chrome Pyrope and Blue John Chemical Formula
While comparing Chrome Pyrope and Blue John 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 Chrome Pyrope and Blue John chemical formula.
- Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
- Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chrome Pyrope and Blue John Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome Pyrope and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Pyrope and Blue John Optical Properties during the identification of gemstone. Specific gravity of Chrome Pyrope is 3.00-3.25 whereas that of Blue John is 3.00-3.25.