You cannot splice BLUE STUFF. You have to buy it or acquire it otherwise. BLUE STUFF belongs to terrain category. Growing BLUE STUFF takes less than half a day, so no worries yeah. Breaking BLUE STUFF gives you 8 experinece points per tree and block you brake. Digging mods will help you with this block. There is no data about seedratio. Oops, there is no entry in the database about gemratio. If you know something, please share. There is no data about blockratio.