Unique in every way, this rare blue opal adjustable ring will most certainly make a statement on your finger. Peruvian blue opal is relatively rare and is only found in the andes mountains near san patricio, peru. It is a very translucent stone with colour similar to the caribbean sea. Depending on how the stone is cut it can be clear, scenic or dendritic this is the national stone of peru, making it even more special. In a striking pointed oval shape and carefully hand polished, it is wonderful piece that will be sure to be treasured. Stone natural blue opal material 925 solid silver approx stone size 45mm x 15mm 8211 ring is adjustable beautiful gemstones designed by naturethe henryka designer gemstones collection is a celebration of completely natural and beautifully rare gemstones from across the world.each gemstone is carefully hand chosen by us for its natural and un treated colours and patterns. We look for vibrant gemstones we know you will love, as well as rare gemstones you may have never even heard of from all corners of the earth.instead of seeking perfection, we choose gemstones based on the natural quirks and inclusions that make them entirely unique. This means incredible stripes, bold spots, wave like ripples and swirls that give each gemstone its own unique fingerprint.these characterful gemstones are then cut, polished and set by hand into silver jewellery designs, from statement necklaces to rings, earrings and bracelets. When wearing a piece of henryka designer gemstone jewellery, you can be assured that no one will ever be wearing the same piece. It is individual to you.