Create an image of the Archangel Gabriel, an angelic figure revered in many religious traditions. Your depiction should capture the majesty, purity, and celestial power associated with Gabriel, conveying a sense of serenity and spiritual inspiration.

Describe in detail how you visualize this representation, considering aspects such as Gabriel's physical appearance, his facial expression, posture, clothing and the environment around him. Use color, lighting and shadows to create an atmosphere that highlights the divine nature and spiritual importance of the Archangel.