Obsidian

Obsidian is the seventh mineral used as currency in Minevolution.

Obtaining
Obsidian can be obtained by trading 64 Diamonds, equal to its equivelent in the Magnitude Chart: 68719476736 Stone.

Recipes
Obsidian can only be traded in the Smeltery:
 * 1 Nether Brick - 64 Obsidian