What is the Meaning of crystal moment by Robert coffin?

Robert Coffin, an American poet, uses the term "crystal moment" to describe a fleeting, perfect moment of clarity or insight in his work. This term suggests a moment of deep significance or beauty, like a crystal that reflects and refracts light in a unique and mesmerizing way. Coffin likely uses this term to emphasize the importance of these rare and precious moments in our lives, urging readers to cherish and appreciate them.