Many people don't know how to maintain and save after buying a pearl necklace. I don't know if I can take a pearl necklace and wash it. Can a pearl necklace take a bath? Is it harmful to pearls? Let's take a look at the analysis! So what happens when a pearl necklace is in the shower? Xiaobian of Jewelry Merchants Network will help you answer your doubts!
Let's take a look at what ingredients are made of pearls! The main mineral components of pearls are Aragonite and Calcite, among which most of the meteorites are calcium carbonate (CaCO3), the specific gravity of vermiculite is 2.95, the hardness is 3.5-4.0, and the specific gravity of calcite is 2.71. The hardness is 3. When the pearl is in contact with a heat source or a fire source, it is often slowly dried, gradually loses moisture, the physical properties are unstable, and the vermiculite is converted into calcite, so that the pearl gradually loses its original luster.
First, when bathing, pearls will encounter shampoos, shower gels, soaps, etc., and these detergents are often acid-alkaline and easily corrode the surface of the pearl.
Second, when bathing, the pearl will encounter tap water. The tap water contains chlorine, which is weak acid. Generally, the tap water has a pH of about 4. When the pH is less than 7.8, the calcium carbonate will dissolve and the pearl will be invisibly corroded. Of course, this time. It is relatively long. Generally, pearls may not be found to change significantly after washing a few times. In the long run, the pearl's "life cycle" will be shortened. If the bath is winter, then long-term washing with hot water will also warm the surface of the pearl, thus affecting the gloss of the epidermis.
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