Handmade with love and attention to detail, this natural green agate is supported on a sterling silver chain, this necklace will flawlessly complement your everyday style. Chalcedony is a cryptocrystalline variety of quartz. It comes from the Latin word chalcēdōnius. It is a variety of agate and a natural form of silicon dioxide of silica. ... There are many varieties but the main kinds of Chalcedony are blue, grey, and white. Chalcedony meaning is stability and balance Great gift for anyone who Luxury Chalcedony Round Pendant Necklace, Minimalist Jade Gemstone Jewelry, Elegant Nickel-free Necklace For May Birthstone, Elegant Nickel Free Necklace For May Birthstone, Jade Gemstone Necklace Gift, Jade Gemstone Necklace As Gift, Jade Gemstone Necklace Ideal For Gifts, Sterling Silver Gemstone Pendant Charm Necklaces, Sterling Silver Square Pendant With Natural Stones