UMANGITE [2], structure type -
defective fluorite
Atomic Positions
N/N
x/a
y/b
z/c
B(j)
Occupancy
1
0.2655
0.7655
0.2586
0.0000
(Se)
2
0.0000
0.0000
0.0000
0.0000
Cu
3
0.6430
0.8570
0.2475
0.0000
Cu