Identification Magnetite Identification Sheet The strongly magnetic iron oxide: black streak, octahedral crystals, and a pull on the pocket magnet no lookalike can match.
Identification Galena Identification Sheet The primary lead ore: soft, very heavy, bright lead-grey metallic, with perfect cubic cleavage.
Identification Hematite Identification Sheet The most important iron ore, identified by its diagnostic reddish-brown streak regardless of the specimen's outward color.
Identification Pyrite (Fool's Gold) Identification Sheet How to tell pyrite from actual gold — and why every newcomer gets fooled at least once.
