Granite

Granite is the second hardest type of Rock, right after Rhyolite. It contains many rare minerals, such as Ruby. It appears at Depth 5600 and lower. When making Mines here, you need to be careful and use the Thermometer, as Lava starts to appear at level 5700. Caves in Granite spawn Antrolans and Demon Infiltrants. A Iron Pickaxe or better is required for digging through it. It takes 10 Durability. Neanderthals use Granite in Sun Clocks.