1. Scarcity: Longshi is a very rare gem, and its output is very limited. Because the formation of dragon stone needs specific geological conditions and mineral combinations, it is difficult to find a large number of dragon stone in nature. This scarcity makes the dragon stone a precious gem.

2. Uniqueness: Longshi has a unique appearance and texture. It presents a dark or black background color and forms unique lines on the surface, such as dragon pattern or dragon pattern. This unique texture makes each dragon stone unique and has high ornamental value and decoration. People like to use dragon stones in jewelry or handicrafts to show their unique beauty.