Stone blocks are a resource in ymir.
Stone blocks are used to build buildings and are mined by the Quarry an annex of the Stonecutter camp when its upgraided to lvl 2.
The quarry for stoneblocks can be placed anywhere as long as the 2x2 spot only contains stone. you can also mine stone blocks out of Limestone, Marble, Sandstone, schist and Basalt formations.