Carletonite and Montebrasite Physical Properties
Specific Gravity
2.45
2.98-3.10
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Perfect on {001}, good on {110}
{100} Perfect, {110} Good, {011} Distinct
Mohs Hardness
4-4.5
5.5-6
Chemical Composition
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Carletonite and Montebrasite Chemical Formula
While comparing Carletonite and Montebrasite 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 Montebrasite 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 Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Carletonite and Montebrasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Carletonite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.