Pearl and Bastnasite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.60-2.85
4.95-5.0
Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Uneven
Cleavage
none
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
2.5-4.5
4-5
Chemical Composition
Not Available
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pearl and Bastnasite Chemical Formula
While comparing Pearl 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 Pearl and Bastnasite chemical formula.
>- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pearl and Bastnasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pearl and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.