Imitation Malachite Horn Medium Necklace with Gold Plating and Chain - 1 Piece Uniqueness Guaranteed: Every item is one-of-a-kind, making them ideal for all projects or designs. Avg Size Range: (2.5 Inches Long, Chain 36 Inches) Size Vary Slightly This product contains stones that have been dyed or heat-treated, or synthetic stones altered to resemble natural stones. Malachite is an intense green copper carbonate mineral, and is typically found in copper-rich limestone deposits along with its cousin mineral azurite. Malachite was historically used in green paint pigments, but is much more commonly used for decorative pieces and jewelry. Handmade items vary in size, shape, and color when selected randomly (the highest quality items are chosen first). They'll be as beautiful as those in the photos.