This hand set in 925 sterling silver bull canyon agate gemstone necklace will make a delightful gift for any one who loves unusual jewellery. In a contemporary round shape and with hints of red, blue and brown tones, it will be sure to compliment any outfit for any occasion. Complete with a solid silver curb chain. Bull canyon agate is a beautiful translucent moss agate that comes from the northern california nevada border area.the moss is usually red in color, but can be green or brown and the long swirling stands make vivid patterns. This material is also known as a tube agate. Tube agate forms when flow channels are captured in the structure of the growing silica. The moss then appears as long tubes in the stone.stone natural bull canyon agate. Material 925 solid silverapprox pendant size 40mm x 30mm 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.