As mining states, prices are in USD. Data sourced from https://www.westmetall.com/en/markdaten.php?action=show_table_average&field=LME_Zn_cashHere's the monthly averages for the USD/AUD exchange rate:
MYE Metarock falls -10% as QLD regulator takes it to court over 2021 death of Graham Dawson – after raiding company offices