time:2022-11-10 source:sznbone Views:
1. Diamond is by far the hardest material found in nature by human beings and has good collection value;
2, platinum is a natural white white precious metal, known as the king of precious metals;
3, jade hard and brittle, external force is easy to cause cracks or fractures, wear jade jewelry should avoid high temperature;
4, pearl is an ancient organic gem, with magnificent color and elegant temperament of the pearl, a symbol of health, purity, wealth and happiness;
5, colored gems, also known as colored gems, usually have glass-like luster, transparent and bright;
6, gold is a golden precious metal, is commonly used in jewelry materials.