Riebeckite and Bastnasite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.28-3.44
4.95-5.0
Fracture
Uneven, Splintery, Brittle
Uneven
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
5.0-6.0
4-5
Chemical Composition
Not Available
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Riebeckite and Bastnasite Chemical Formula
While comparing Riebeckite 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 Riebeckite and Bastnasite chemical formula.
>- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Riebeckite and Bastnasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Riebeckite and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.