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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Hematite and pyrite:

ORES: Hematite, pyrites, etc.
ORES: Pyrites, hematite, etc.
IRONORES: Hematite, pyrite, etc.
IRONORES: Pyrite and hematite
IRONORES: Hematite and pyrite