Pyrope and Chrome-Chalcedony Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in water
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.62-3.87
2.55-2.70
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available
Cleavage
None
Not Available
Mohs Hardness
7-7.5
6.5-7
Chemical Composition
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Pyrope and Chrome-Chalcedony Chemical Formula
While comparing Pyrope 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 Pyrope and Chrome-Chalcedony chemical formula.
- Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Pyrope and Chrome-Chalcedony Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrope and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Pyrope is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.