According to what is worth buying, it may depend on your personal preferences and aesthetics. The following is an introduction:

Five-flowered chalcedony is a kind of natural colored jade with changeable colors, such as red, yellow, green, white and black, like gorgeous flowers. Chalcedony is cool, smooth and delicate, and it can look elegant, generous and temperamental when worn on hands. Chalcedony also has the meaning of auspiciousness, peace and happiness, and can be used as a gift for relatives and friends.

Zhou Shengsheng hand rope is a series of hand ornaments made by Zhou Shengsheng jewelry brand, which mainly uses gold beads and various leather or steel ropes to weave different styles and patterns. Zhou Shengsheng's hand rope is fashionable, simple and individual, and it looks lively, fashionable and interesting when worn on the hand. Zhou Shengsheng's hand ropes also have different themes and meanings, such as love fairy tales, cultural blessings, navigation kings and so on. It can be used as a gift to express yourself, or it can be given to a loved one.

To sum up, I personally think chalcedony is beautiful, colorful or natural colored jade.