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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