The Periodic Element Guys present 1 x 250 grams of Pure Arc Melted Rhenium Bead pellet.
Rhenium is a very rare metal, with its tiny share in the earths crust, believed to be a maximum of 1 part per billion. It has an extremely high melting point, third in the periodic table. It also has the second highest boiling point. In 2008 Rhenium was selling for over $10,500 per Kg. Although the price has come down, it is still in extremely high demand for the small amount produced every year, estimated to be about 40 tons. And here you can buy 250 grams of that tiny amount. Lead time of about 2 weeks