1. Chicken liver stone is named after its color is like chicken liver and its grain is like fine stone.

2. It is characterized by a large purple with various black stripes hidden in it, some like mountains, rivers, clouds and water marks, some like ancient trees, strange stones and flowers, full of interest and imagination.

3. It is most suitable for making elegant utensils, such as school stationery sets, which are not only practical products, but also elegant and elegant desk furnishings.

4. It has always been cherished by people in the cultural and artistic circles at home and abroad, and has participated in national or international exhibitions as high-level arts and crafts works for many times, which has been widely praised.

There are four main types of gems:

1, diamond, diamond is the most precious gem and the hardest substance known in nature.

2. colored gems, including rubies.

3. Jade, jade refers to cryptocrystalline combination minerals such as jadeite and white jade.

4. Other gems, including organic gems such as pearls and agates, and gems such as Shoushan Stone.