Corals

Despite their vivid colors, corals are also unusual for the fact that they are actually marine animals.
The material that craftsman use for making precious jewels is actually coral’s exoskeleton.
There are more than 100 000 species of corals, some of which endangered because of wreckless harvesting in the past.

Nowadays only few pretty colored species of corals that are not endangered  are allowed to be used for crafting and jewelry.

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