Mariinskite
Yamnova N A, Aksenov S M, Pautov L A, Popov M P, Erokhin Y V
Crystallography Reports 59 (2014) 30-35
Specific features of cation distribution in the crystal structure
of mariinskite BeCr2O4 (derivative of olivine-type structure)
Note: Sample 2
Locality: Mariinskoe deposit (Middle Urals, Russia)
_database_code_amcsd 0020028
4.478 5.620 9.746 90 90 90  *P2_12_12_1
.25 .25 0
atom    x    y    z occ Uiso
AlM1 .258 .502 .504 .55 .001
CrM1 .258 .502 .504 .23 .001
CrM2 .254 .741 .241 .63 .017
AlM2 .254 .741 .241 .19 .017
CrM3 .748 .500 .483  .3 .003
CrM4 .241 .193 .241 .16 .075
Be1  .833 .738 .409  .7 .038
Be2   .15 .749 .405  .2 .038
O1   .481 .750 .423     .029
O2   .015 .733 .068     .018
O3   .497 .486 .160     .008
O4   .503 .501 .654     .019