This stone measures 1 inch in length and 1/4 inch in width. The stone is set in .925 tarnish resistant sterling silver. The setting is hallmarked .925. A process called titanium vapor deposition is used to coat the natural crystals formed on this rhodocrystalite stone. The outcome of the color of the crystals is beautiful. They seem to light up from everywhere on the stone. The pictures are in medium light inside and yet the crystals sparkle from every direction. This stone has the color representative of rhodocrystalite. It is a bright glow. Sparkle and twinkling from every movement of the stone. The stone is attached to a 24 inch sterling silver over stainless steel link style chain.