Calcium carbonate is the most important component and the main body of pearls, accounting for 92.5% of the total weight of pearls. Calcium carbonate is an inorganic compound, which is soluble in acid. Because many women's cosmetics, perfumes and other ingredients contain acidic substances, pearls can't touch these cosmetics containing acidic substances, which will damage pearls and erode their surfaces.
In addition to calcium carbonate, pearl components, such as amino acids and many trace elements, also have a good calming and calming effect. Amino acids can promote the synthesis of protein in our nerve cells and promote the development and activation of the brain, while many trace elements can improve human immunity and improve human function. So if you are a friend with calcium deficiency and low immunity, you might as well buy a pearl jewelry to wear.
The chemical composition of pearl is: CaCO39 1.6%, H2O and organic matter 4% each, and other 0.4%. Pearl has various shapes, such as round, pear-shaped, egg-shaped, teardrop-shaped, button-shaped, arbitrary shape, etc., among which round is the best. Not an isotropic body. Colors are white, pink, light yellow, light green, light blue, brown, lavender, black and so on. , mainly white.
The role of pearls:
Tao Hongjing of Liang Dynasty said in Compendium of Materia Medica that pearls "have the function of healing skin and stopping bleeding". Tang Dynasty's "Haiyao Herbal Medicine" holds that pearls can improve eyesight, eliminate dizziness and stop diarrhea. In the Yuan Dynasty, merchants often drank honey and pearl powder in water, thinking that it could nourish and prevent heatstroke.