Rare Golden Enhydro Crystal Ring The ring is 2.2 cm wide The size is 17.75 UK P US 7 1/2 Illuminate your style with this one-of-a-kind golden enhydro crystal ring, expertly set in Electroformed copper. Petroleum Quartz, also known as Enhydro Quartz or Petroleum Inclusion Quartz, contains tiny inclusions of petroleum or oil within the crystal. These inclusions can appear as small bubbles, droplets, or threads within the quartz , giving it an ethereal glow. (see pictures) The petroleum inclusions can range in color, often appearing as golden, brown, or black, and can create a mesmerizing effect within the crystal. Plus, it's UV reactive, revealing a hidden world of color under black light. This ring is a true showstopper for anyone drawn to the mysterious and rare. Each golden enhydro crystal is distinct, making this piece truly one-of-a-kind. Ring details: Crystal: Golden Enhydro with UV reactive properties Band: Electroformed Copper, carefully crafted for a comfortable fit Unique, handmade with attention to detail Shipping : Send Express And Insured