Carletonite and Sillimanite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.45
3.20-3.26
Fracture
Conchoidal, Conchoidal, Brittle
Splintery
Cleavage
Perfect on {001}, good on {110}
{010} perfect
Mohs Hardness
4-4.5
6-7.5
Chemical Composition
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Carletonite and Sillimanite Chemical Formula
While comparing Carletonite and Sillimanite 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 Sillimanite 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 Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Carletonite and Sillimanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Carletonite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.