Chalcedony and Carletonite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.70
2.45
Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Conchoidal, Conchoidal, Brittle
Cleavage
Absent
Perfect on {001}, good on {110}
Mohs Hardness
6.5-7
4-4.5
Chemical Composition
SiO2
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chalcedony and Carletonite Chemical Formula
While comparing Chalcedony and Carletonite 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 Chalcedony and Carletonite chemical formula.
- Chemical formula of Chalcedony- SiO2
- Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chalcedony and Carletonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chalcedony and Carletonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Carletonite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 2.45 whereas that of Carletonite is 2.45.