Brings Dwarf Fortress back to the stone age with changes to materials, changes and additions to weapons and armour, and the removal of metal work.

Experimental.

Update 1:
- More appropriate mod name
- Different release model
- Changes to basic stone, gem and metal materials; designated more 'weapon-grade' stone and gem types.
- Introduced 'stone' metal materials for items.
- Most entities now properly produce stone equipment.
- Introduced many new reactions for stone equipment for both Fortress and Adventure mode.
- Introduced three new workshops for producing stone equipment in Fortress mode: Weapon Maker's Workshop, Stone Knapper's Workshop, and Fletcher's Workshop.
- More dense (and deeper) stone types are now undiggable in Fortress mode.
- You now play as Humans in Fortress mode.
- More options for playable creatures in Adventure mode.