Sellaite Wyckoff R W G Crystal Structures 1 (1963) 239-444 Second edition. Interscience Publishers, New York, New York Rutile structure _database_code_amcsd 0011754 4.623 4.623 3.052 90 90 90 P4_2/mnm atom x y z Mg 0 0 0 F .303 .303 0