Periostra
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Kaleidoscopic patterns
In collaboration with Spin Asia - Sustainable Product Innovation Project - & Marine GiftSocial Enterprise, Nam Dinh, Hanoi - VI
Kaleidoscopic patterns
In collaboration with Spin Asia - Sustainable Product Innovation Project - & Marine GiftSocial Enterprise, Nam Dinh, Hanoi - VI
The periostracum is the envelope that constitutes the external part
of molluscs and brachiopods shell. This layer
covers the mineralized parts of the shell.
It can be yellow, brown
or black depending on the species. Its color is normally different from the underlying layer to provide a good camouflage. It disappears or slightly lightens
upon the animal’s death.
