Materials

Gem

 * Amethyst
 * Diamond
 * Emerald
 * Ruby
 * Sapphire
 * Topaz

Metal

 * Ore
 * Bar
 * Alloy
 * Tools

Rock

 * Rock
 * Stone
 * Tools
 * Slab
 * Step
 * Wall

Wood

 * Trunk
 * Timber
 * Slab
 * Step
 * Wall
 * Tools