New tunnels 65%, Kra settling 86%.
The dwarves, with their really great metallurgy and mining skills have determined that the white particles of sand in the riverbeds, and the veins of similar material can be melted down to make a silvery metal of light weight and immense strength. Due to its relative rarity, the trouble of manufacturing it, its inferiority to mithril, and the expense of manufacturing, only limited quantities have been produced.