Stone generator

Here is a list of blocks that can generate in stone/cobblestone generator

Block Chance (%) Required Island Level Additional Island XP
Coal Ore 2.2 0 1–4
Iron Ore 1.4 7 2–8
Copper Ore 1.6 15 2–9
Lapis Ore 1.1 27 3–12
Redstone Ore 0.4 40 4–21
Quartz Ore 0.2 40 6–28
Gold Ore 0.5 61 6–35
Emerald Ore 0.4 78 10–68
Diamond Ore 0.4 80 15–120
Ancient Debris 0.05 100 20–200

And a list of items that can randomly drop from stone/cobblestone blocks

Item Chance (%) Required Island Level Drop Amount Additional Island XP
Clay Ball 0.8 >5 1–3 0–6 (per amount)
Sand 0.3 >10 1 0–3
Red Sand 0.2 >20 1 0–4
Gravel 0.1 >25 1 0–1
Packed Ice 0.3 >30 1 0–6
Coal 0.1 >40 1 0–1
Soul Sand 0.05 >50 1 0–8