General Information:
Chemical Formula:
(Ce,Ca,La,Nd,Th)4(Fe++,Mg)2(Ti,Al,Zr,Fe+++)2Ti2(Si2O7)2O8
IMA Status:
Approved IMA 1987
Physical Properties:
Color:
black or brownish.
Density:
4.3
Hardness:
5.5 - Knife Blade
Luster:
Resinous
More details...
General Information:
Chemical Formula:
(Ce,Ca,La,Nd,Th)4(Fe++,Mg)2(Ti,Al,Zr,Fe+++)2Ti2(Si2O7)2O8
IMA Status:
Approved IMA 1987
Physical Properties:
Color:
black or brownish.
Density:
4.3
Hardness:
5.5 - Knife Blade
Luster:
Resinous
More details...
Mineralogy database English vocab. Английский словарь базы данных минералогии . 2012