Carletonite and Gahnite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.45
4.00-4.62
Fracture
Conchoidal, Conchoidal, Brittle
Conchoidal, Uneven
Cleavage
Perfect on {001}, good on {110}
Indistinct parting on [111]
Mohs Hardness
4-4.5
7.5-8
Chemical Composition
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Carletonite and Gahnite Chemical Formula
While comparing Carletonite and Gahnite 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 Carletonite and Gahnite chemical formula.
- Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Carletonite and Gahnite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Carletonite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.