Apophyllite and Bastnasite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.50
4.95-5.0
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven
Cleavage
Perfect on (001)
Imperfect to indistinct on {10 1 0}, parting on {0001}
Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Apophyllite and Bastnasite Chemical Formula
While comparing Apophyllite 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 Apophyllite and Bastnasite chemical formula.
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Apophyllite and Bastnasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apophyllite and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.