General Information:
Chemical Formula:
(Na,K)5(Ba,Ca)4(Fe,Mn)15(Ti,Fe,Nb,Zr)8Si15O64(F,O,OH)6
Environment:
Occurs in an albite dike.
Locality:
Jinshajiang River, Sichuan Province, China.
Name Origin:
Named for the locality.
Physical Properties:
Cleavage:
[010] Perfect, [100] Perfect
Color:
brown red, yellow red, black, or black red.
Density:
3.61
Habits:
Thin - Flat dimensioned crystals., Tabular - Form dimensions are thin in one direction.,
Hardness:
4.5-5
Luster:
Vitreous (Glassy)
Streak:
light yellow
More details...