This necklace pendant would have a mystical and elegant aesthetic, combining the spiritual significance of the pentagram with the symbolism of the key. The 14K gold plating and zircon inlays would ensure the pendant is eye-catching and refined, while the copper base provides durability. This necklace could appeal to those who enjoy meaningful, symbolic jewelry with a luxurious yet bohemian style.

• Copper Base: The base material of the pendant would be copper, providing a solid and durable foundation. Copper is a warm, attractive metal that would be plated with gold to enhance the overall aesthetic.

• 14K Gold Plating: The pendant would be plated with a layer of 14K gold, giving it a luxurious and radiant finish. The gold plating would add an elegant, warm tone to the overall design, enhancing the richness of the piece.