Can you name four materials, considered almost as valuable as gems, and frequently used as jewelry, that come from plants and animals?

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While many of the world's most cherished adornments are mineral gems, other captivating treasures, often as prized, originate not from geological processes, but from the vibrant world of living organisms. These unique materials offer a warmth and organic beauty that mineral gems cannot replicate, each telling a distinct story from the sea or ancient forests.

The ocean provides two exquisite examples. Coral (Deals), the stony skeleton of tiny marine

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