Chrome-Chalcedony and Staurolite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.70
3.7-3.8
Fracture
Not Available
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Not Available
Distinct on {010}
Mohs Hardness
6.5-7
7-7.5
Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Chrome-Chalcedony and Staurolite Chemical Formula
While comparing Chrome-Chalcedony and Staurolite 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 Staurolite chemical formula.
- Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
- Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Chrome-Chalcedony and Staurolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.