HALIOTIS haliotis is called the marine molluscs of the genus Haliotis. Their shell resembles a low cap, hence the new name- "abalone". Jewelers called abloom unusual nacre of haliotis, which is rich shades of its color. Another feature of the shells of haliotis is an unusual strength of their mother - of-pearl. It consists of plates of calcium carbonate and protein molecules which they are linked. This connection is not rigid, and separate plates may be slightly shifted relative to each other. The result is pearlescent armour of haliotis is capable of damping in response to mechanical shock. It is in this flexibility is the secret of her unusual strength. The abalone shell is associated in Japan with good thoughts and wishes.. In addition, a special strength of the shells of haliotis linked in the minds of the inhabitants of South-East Asia with the idea of a bitter struggle with chronic diseases.