Bastnasite and Apophyllite KF Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.95-5.0
2.33-2.37
Fracture
Uneven
Uneven, Brittle, Uneven, Brittle, Uneven
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
Perfect on {001}, imperfect on {110}
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
Bastnasite and Apophyllite KF Chemical Formula
While comparing Bastnasite and Apophyllite KF 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 Bastnasite and Apophyllite KF chemical formula.
- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Bastnasite and Apophyllite KF Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bastnasite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.