The Sun is one of the most important symbols for every culture. The Sun is the fountain of warmth, light and life. It represents daytime and consciousness, the origin of the energy we use. It is a yang symbol, having the moon as its opposing yin.
Nacre (also called mother of pearl), is an organic-inorganic composite material produced by some molluscs. It is a hard, shining, iridescent material. It is formed in the inner shell of some of the more ancient lineages of bivalves, gastropods, and cephalopods to repair their damaged shells or to cover some objects inside of them. This is used by some pearl pickers, placing certain small items inside molluscs, knowing they will be covered in nacre, forming pearls or other valuable objects. The molluscs that produce the most beautiful nacre are the Abalone and the Nautilida, among other. Nacre is used in medicine for skin care, as an exfoliant.