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Minerals and Rocks Quiz

Try out this Minerals and Rocks quiz to test your knowledge. Minerals and Rocks trivia highlights the building blocks of Earth, from crystal structures and common rock types to the geologic forces that create and transform them.

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15 questions

~3 min to finish

Mostly hard difficulty

580 pts max score

  1. Question 1 · Medium · 20 pts

    What mineral can grow crystals that look like a pile of tiny metallic swords from a fantasy prop closet?

  2. Question 2 · Hard · 40 pts

    About 541 million years ago, which geologic period began?

  3. Question 3 · Hard · 40 pts

    Which period came to an end about 66 million years ago?

  4. Question 4 · Hard · 40 pts

    Name Earth's earliest eon.?

  5. Question 5 · Hard · 40 pts

    Which interval began after the end of the last major ice age?

  6. Question 6 · Hard · 40 pts

    What ultramafic rock makes up most of Earth's mantle?

  7. Question 7 · Hard · 40 pts

    Named after a South African river, which ultramafic volcanic rock fits that clue?

  8. Question 8 · Hard · 40 pts

    The Moon's bright highlands are dominated by which rock type?

  9. Question 9 · Hard · 40 pts

    If the metal you want is aluminum, which principal ore should you be looking for?

  10. Question 10 · Hard · 40 pts

    Which mineral is the chief ore mineral of tin?

  11. Question 11 · Hard · 40 pts

    Which mineral serves as the principal ore mineral of lead?

  12. Question 12 · Hard · 40 pts

    For chromium extraction, which mineral is the main ore?

  13. Question 13 · Hard · 40 pts

    Which mineral is noted as an important ore mineral of titanium?

  14. Question 14 · Hard · 40 pts

    Named after Franz Xaver von Wulfen, which lead molybdate mineral matches that description?

  15. Question 15 · Hard · 40 pts

    Which mineral is widely used in uranium-lead dating because it can preserve very old ages?