The writing style of this essay had the following characteristics: Description of the appearance and characteristics of the stone: In the beginning, the author gives the reader a preliminary understanding of the stone by describing the appearance of the stone, such as shape, size, color, texture, etc. 2. Analysis of the value of the stone: The author then analyzed the value of the stone such as market demand, price, use, etc., so that the readers have a deeper understanding of the value of the stone. 3. Illustrating the value of stones: After analyzing the value of stones, the author further explained the value of stones by giving examples such as precious stones in jewelry stores and precious stones in works of art. 4. emphasize the importance of stones: Finally, the author emphasized the importance of stones, such as protecting cultural heritage and natural resources, so that readers have a deeper impression of the value of stones. This essay focuses on giving readers a comprehensive understanding of stones and emphasizing the importance of stones through analysis and examples so as to better understand the value of stones.