salt lamp with an onyx base sounds like a unique and beautiful piece! Onyx is a type of chalcedony, a gemstone that adds an air of sophistication and elegance to any decor. Pairing it with a salt lamp, which is known for its natural ability to purify the air and promote relaxation, creates a harmonious balance between functionality and aesthetics. The soft glow of the lamp would cast a warm and cozy ambiance, while the onyx base adds a touch of luxury and refinement. It would make a stunning addition to any room in your home, perfect for creating a peaceful and calming atmosphere.