General Information:
Chemical Formula:Ca3(Y,Ce)2(Ti,Al,Fe3+)B4Si4O22
Composition:(Molecular Weight = 873.63 gm)Calcium 13.76 %
CaCerium 8.02 %
CeYttrium 15.26 %
Y Titanium 3.29 %
TiAluminum 0.93 %
AlIron 0.64 %
FeSilicon 12.86 %
SiBoron 4.95 %
B Oxygen 40.29 %
O Empirical Formula: Ca3Y1.5Ce0.5Ti0.6Al0.3Fe3+0.1B4Si4O22
IMA Status:Approved IMA 1987, (Dana # Added)
Physical Properties: Color:brown.
Density:3.73 - 3.86, Average = 3.79
Diaphaniety:Translucent
Hardness:6 - Orthoclase
Luster:Vitreous (Glassy)
More details...
