#------------------------------------------------------------------------------
#$Date: 2013-18-09 21:22:00 +0000 $
#$Revision: 001 $ Daniel Chateigner
#------------------------------------------------------------------------------
#
# This file is available in the Material Properties Open Database (MPOD),
# http://www.mpod.net/
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_1000327
_cod_database_code 9002044
_structure_refined 'no'
_phase_name 'magnesium aluminate'
_chemical_name_mineral 'spinel'
_phase_generic ''
_chemical_formula_structural 'MgAl2O4'
_chemical_formula_sum 'Mg1 Al2 04'
_symmetry_point_group_name_H-M 'm 3 m'
_cell_length_a                     8.0836
_cell_length_b                     8.0836
_cell_length_c                     8.0836
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90

loop_
_publ_author_name
'Yoneda, Akira'
_publ_section_title
;
Pressure derivatives of elastic-constants of single-crystal MgO and MgAl2O4
;
_journal_name_full               'Journal of Physics of the Earth'
_journal_volume                  38
_journal_issue                   1
_journal_page_first              19
_journal_page_last               55
_journal_year                    1990

_phase_density 3578

_prop_measurement_method 'PEM'

_prop_elastic_stiffness_cij 'cij'
_prop_elastic_stiffness_hydrostaticpressure_1storder_cij1P 'cij1P'
_prop_elastic_stiffness_hydrostaticpressure_2ndorder_cij2P 'cij2P'
_prop_hydrostatic_pressure_range_begin 0.000101325
_prop_hydrostatic_pressure_range_end 6.16
_prop_reference_hydrostatic_pressure 0.000101325

loop_
_prop_data_label
_prop_data_tensorial_index
_prop_data_value
cij 11 282.9
cij 12 155.4
cij 13 155.4
cij 22 282.9
cij 23 155.4
cij 33 282.9
cij 44 154.8(2)
cij 55 154.8(2)
cij 66 154.8(2)
cij1P 11 5.59
cij1P 12 5.69
cij1P 13 5.69
cij1P 22 5.59
cij1P 23 5.69
cij1P 33 5.59
cij1P 44 1.44(10)
cij1P 55 1.44(10)
cij1P 66 1.44(10)
cij2P 11 -0.65
cij2P 12 -0.64
cij2P 13 -0.64
cij2P 22 -0.65
cij2P 23 -0.64
cij2P 33 -0.65
cij2P 44 -0.19(4)
cij2P 55 -0.19(4)
cij2P 66 -0.19(4)