I am formed by layers over time, precious but not a jewel. What am I?

Category: Geography · Difficulty: medium

Hint: Think about natural treasures from the ocean.

Answer

A pearl

Explanation

A pearl is a hard, rounded object produced within the soft tissue of a living shelled mollusk or a gastropod.

This is a medium geography riddle — a moderate challenge for most people. The answer is A pearl.

More Geography riddles

All Geography riddles · Riddles with answers · Home