
General Information:

Chemical Formula:
Ba4(Ti,Nb)8Si4O28Cl

IMA Status:
Approved IMA 1959
Physical Properties:

Cleavage:
[110] Good

Color:
light brown or black.

Density:
4.7 - 4.72, Average = 4.71

Hardness:
6 - Orthoclase

Luster:
Vitreous (Glassy)
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