Carletonite and Ettringite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Partially soluble in water
Durability
Not Available
Not Available
Specific Gravity
2.45
1.77
Fracture
Conchoidal, Conchoidal, Brittle
Not Available
Cleavage
Perfect on {001}, good on {110}
Perfect on {10 1 0}
Mohs Hardness
4-4.5
2-2.5
Chemical Composition
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Carletonite and Ettringite Chemical Formula
While comparing Carletonite and Ettringite 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 Ettringite 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 Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Carletonite and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Carletonite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 1.77 whereas that of Ettringite is 1.77.