/usr/share/avogadro/crystals/clays/Lepidolite.cif is in avogadro-data 1.2.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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_chemical_name_mineral 'Lepidolite 1M'
loop_
_publ_author_name
'Sartori F'
_journal_name_full 'Tschermaks Mineralogische und Petrographische Mitteilungen'
_journal_volume 23
_journal_year 1976
_journal_page_first 65
_journal_page_last 75
_publ_section_title
;
The crystal structure of a 1M lepidolite
;
_database_code_amcsd 0015659
_chemical_compound_source 'Elba, Tuscany, Italy'
_chemical_formula_sum '(K.88 Na.06 Rb.05 Ca.01) Li1.57 Al2.07 Si3.36 O10.47 (F1.53 H.47)'
_cell_length_a 5.20
_cell_length_b 9.01
_cell_length_c 10.09
_cell_angle_alpha 90
_cell_angle_beta 99.38
_cell_angle_gamma 90
_cell_volume 466.416
_exptl_crystal_density_diffrn 2.838
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
'x,y,z'
'1/2+x,1/2+y,z'
'x,-y,z'
'1/2+x,1/2-y,z'
'-x,y,-z'
'1/2-x,1/2+y,-z'
'-x,-y,-z'
'1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
K 0.00000 0.50000 0.00000 0.88000 0.02128
Na 0.00000 0.50000 0.00000 0.06000 0.02128
Rb 0.00000 0.50000 0.00000 0.05000 0.02128
Ca 0.00000 0.50000 0.00000 0.01000 0.02128
LiM2 0.00000 0.00000 0.50000 0.97000 0.01406
AlM2 0.00000 0.00000 0.50000 0.03000 0.01406
LiM1 0.00000 0.32830 0.50000 0.30000 0.01216
AlM1 0.00000 0.32830 0.50000 0.70000 0.01216
AlT 0.08100 0.16850 0.23200 0.16000 0.01089
SiT 0.08100 0.16850 0.23200 0.84000 0.01089
O1 0.02140 0.00000 0.17420 1.00000 0.01976
O2 0.32510 0.23100 0.16800 1.00000 0.02001
O3 0.14210 0.17680 0.39410 1.00000 0.01748
F4 0.11070 0.50000 0.40150 0.76500 0.02938
O-H4 0.11070 0.50000 0.40150 0.23500 0.02938
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