Corals, also composed of calcium carbonate, a small amount of protein and water, but have a different structure than pearls. Corals are easier to maintain than pearls:
1. Acidic substances will destroy calcium carbonate. Although the sweat is weakly acidic, it is the biggest enemy of coral. Sometimes the white "mold spot" on the surface of the red coral that is neglected to care for is the result of corrosion.
2. Keep away from high temperature and bleaching substances, the color of coral has a great influence on its value. High temperature and bleach will destroy the organic pigment and cause discoloration.
3. Clean the coral jewelry with pure water or warm water. The household dishwashing detergent is the most suitable neutral detergent. Coral jewelry can not be soaked in water for a long time. Immediately after cleaning, it is dried with cold air. Coral bead chains should also not be soaked in water for cleaning.
4. After cleaning, the surface of the coral jewelry can be coated with a thin layer of transparent grease to isolate the air and harmful substances, but be careful to use only non-fragrance, non-pigmented oils such as mineral oil, cooking oil, baby emollient oil. .
5. Coral hardness is not high, brittleness is large, in addition to the need to store separately, must not fall and collide in wearing. 6. Do not wear in swimming, sauna or hot springs.
Embroidery is a general term for various decorative patterns embroidered on fabrics by needle and thread. Embroidery is divided into silk embroidery and feather embroidery. It is a kind of decorative fabric that uses a needle to puncture silk thread or other fibers and yarns with certain patterns and colors on the embroidered materials, and then forms the decorative pattern with the embroidery trace. It is the art of adding human design and production to any fabric that exists with needles and threads. Embroidery is one of the traditional Chinese folk crafts, which has a history of at least two or three thousand years in China. Chinese embroidery mainly includes Suzhou embroidery, Hunan embroidery, Shu embroidery and Guangdong embroidery. Embroidery techniques include: wrong needle embroidery, random needle embroidery, net embroidery, all over embroidery, lock silk, nasi, Najin, Pingjin, Yingjin, Panjin, fluting, scraping, poking, sprinkling, cross stitch, etc. the main uses of embroidery include life and art decoration, such as clothing, bedding, tablecloth, stage, art decoration.
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