Lashbrook Tantalum Celtic Knot Wedding Band

A Metal So Rare the World's Supply May Only Last 50 Years Lashbrook Tantalum Celtic Knot Wedding Band Made of Solid Gun Metal Blue-Gray Tantalum Laser Engraved with the Eternal Celtic Knot LASHBROOK is the world's leader in custom designed wedding rings.  LASHBROOK has combined one of the world's rarest metals, one of enduring strength and beauty with the endless Celtic Knot to perfectly symbolize your eternal love,  MATERIALS: Tantalum - Tantalum is an element on the periodic table and is considered a technology critical material. Tantalum capacitors are found in smartphones, tablets, and computers. Extremely rare, the primary resources of tantalum could potentially be exhausted within the next fifty years. Tantalum is a beautiful gray color with a hint of blue. It’s that great gun-metal tone that’s darker than titanium but not black like zirconium. It is quite dense, with a weight similar to platinum. While many alternative metals create difficulties with resizing, tantalum is qu