Why does coelho choose crystal in the alchemist?

In "The Alchemist," Paulo Coelho uses crystal as a symbol of clarity, transformation, and the pursuit of one's dreams. The crystal merchant represents the struggle between comfort and ambition, as he initially resists change despite his potential for success. By introducing crystal, Coelho illustrates the beauty and value of following one's personal legend, emphasizing that pursuing dreams can lead to profound personal growth and fulfillment. Ultimately, the crystal serves as a metaphor for the clarity that comes from embracing one's true path.