Mineral Identification Quiz

GeoMiner's free mineral identification quiz tests evidence-led field reasoning across twelve questions without an account, timer, upload, public leaderboard, or competency certificate. Questions cover relative hardness brackets, streak versus a scratched plate, cleavage directions, crystal habit limits, magnetism, transparency, colour limitations, quartz versus calcite, hematite versus magnetite, gold look-alikes, and safer handling of a possible lead-bearing mineral. Each answered question provides an explanation and a direct route into the relevant source-backed property guide, comparison, safety reference, or printable worksheet. Answers and the current score stay in the browser; only the best numeric score is stored on the visitor's device. GeoMiner analytics receive only bounded actions, a broad score band, and an optional broad review topic—never answer choices, question responses, specimen information, search text, photos, locations, or identifying data. The quiz teaches how to combine independent observations, contradictions, alternatives, uncertainty, and a safer next test rather than treating one property or an app result as laboratory proof.

Mohs hardness scale — Review relative scratch resistance and safer hardness brackets.
Mineral streak test chart — Separate useful powder residue from a scratched porcelain plate.
Cleavage vs fracture chart — Review cleavage directions, approximate angles, and common fracture types.
Gold look-alikes — Compare gold, pyrite, chalcopyrite, and mica with several independent clues.
Printable mineral ID worksheet — Turn quiz reasoning into a structured evidence record.
Identify a real mineral — Move from practice into the account-free property key.

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Mineral Identification Quiz

Review mineral identification evidence