Wurtzite-2H Kullerud G Norsk Geologisk Tidsskrift 32 (1953) 61-147 The Fe S - Zn S system. A geological thermometer _database_code_amcsd 0014934 3.8353 3.8353 6.3008 90 90 120 P6_3mc atom x y z occ Zn 1/3 2/3 0 .566 Fe 1/3 2/3 0 .434 S 1/3 2/3 .375