Gems are called human treasures for three reasons: rarity, beauty, luxury and colorful.

1, precious and rare, the output of precious stones is very limited, because it needs to be formed in the high temperature and high pressure environment deep in the earth, so it is precious. The rarity of precious stones makes it a treasure that people pursue, so it is called a treasure.

2. Beautiful and luxurious. Gemstones have beautiful colors, shining light and unique textures. These characteristics make gemstones become the jewels that people pursue. At the same time, the price of precious stones is also very expensive. Therefore, gems are considered as a symbol of dignity and are called the treasures of mankind.

3. multiple colors. There are many colors of gems, and each color represents a different meaning and symbol. These colors and symbols make gems a tool for people to convey their feelings and express their thoughts, so they are also called human treasures.