Nephrite and Bastnasite Physical Properties
Specific Gravity
2.90-3.10
4.95-5.0
Fracture
Splintery, Granular
Uneven
Cleavage
None
Imperfect to indistinct on {10 1 0}, parting on {0001}
Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Nephrite and Bastnasite Chemical Formula
While comparing Nephrite and Bastnasite 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 Nephrite and Bastnasite chemical formula.
- Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Nephrite and Bastnasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Nephrite and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.