Our pink opal necklace is handmade in sterling silver with natural Peruvian pink opal gemstones wrapped onto our dainty cable chain. Perfect for a Mother's Day gift or an October birthday. Stones have varying shades of lighter or darker pink color, so just let us know if you have a preference. Looks great worn as a simple choker or layered with your favorites for a unique look. About Peruvian Pink Opal: Peruvian pink opal is a natural gemstone found in the Andes mountains and it is the national stone of Peru. Pink opal stones do not have play of color like other opals. It is high in silica and composed of opal, chalcedony, and palygorskite. Pink opal is referred to as a calming and soothing stone, bringing peace, hope, and love. Materials: All metal components are 925 sterling silver Pink opal 8-9mm heart briolettes, 3mm round If you have any questions just click "message seller" on our homepage. Thank you for visiting our jewelry shop, Linda and Joe .