Carletonite and Andradite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.45
3.70-4.10
Fracture
Conchoidal, Conchoidal, Brittle
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {001}, good on {110}
none
Mohs Hardness
4-4.5
6.5-7
Chemical Composition
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Carletonite and Andradite Chemical Formula
While comparing Carletonite and Andradite 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 Andradite 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 Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Carletonite and Andradite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Carletonite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.