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