Chrome-Chalcedony and Rock Crystal Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
2.55-2.70
2.65
Fracture
Not Available
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Not Available
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Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
SiO 2Walter Schumann , Gemstones of the world (2001)
Chrome-Chalcedony and Rock Crystal Chemical Formula
While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Rock Crystal chemical formula.
- Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
- Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Chrome-Chalcedony and Rock Crystal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 2.65 whereas that of Rock Crystal is 2.65.