1. Platinum is a pure and flawless metal with pure white color and stable and lasting luster. Its unparalleled brightness and purity make it gain a unique position in jewelry design. The luster of platinum will not disappear because of long-term use and wearing, which makes platinum an ideal choice for making jewelry and electronic equipment.

The color of pure silver is silvery white, which is known as "always shining like the moon". The reflectivity of silver to visible light is as high as 9 1%, which shows its high brightness.