1 minecraft:air
2 minecraft:netherrack
3 minecraft:lava[level=0]
4 tconstruct:ore[type=cobalt]
5 tconstruct:ore[type=ardite]
6 quark:netherrack_speleothem[size=medium]
7 quark:netherrack_speleothem[size=big]
8 minecraft:quartz_ore
9 minecraft:flowing_lava[level=1]
10 minecraft:glowstone
11 minecraft:red_mushroom
12 minecraft:coal_block
13 minecraft:obsidian
14 minecraft:brown_mushroom
15 minecraft:fire[age=0,east=false,north=false,south=false,up=false,west=false]
16 minecraft:stone_slab[half=bottom,variant=quartz]
17 minecraft:hardened_clay
18 minecraft:stained_hardened_clay[color=black]
19 natura:nether_leaves[check_decay=false,decayable=true,type=bloodwood]
20 natura:nether_leaves[check_decay=false,decayable=true,type=fusewood]
21 natura:nether_leaves[check_decay=true,decayable=true,type=fusewood]
22 quark:netherrack_speleothem[size=small]
23 minecraft:soul_sand
24 quark:basalt[variant=stone_basalt]
25 quark:basalt_speleothem[size=big]
26 minecraft:gravel
27 natura:nether_leaves[check_decay=false,decayable=true,type=ghostwood]
28 natura:nether_leaves[check_decay=true,decayable=true,type=ghostwood]
29 natura:nether_thorn_vines[east=false,north=false,south=false,up=false,west=true]
30 natura:nether_thorn_vines[east=true,north=true,south=false,up=false,west=false]
31 natura:nether_blue_large_glowshroom[variant=west]
32 natura:nether_blue_large_glowshroom[variant=south_west]
33 natura:nether_blue_large_glowshroom[variant=south]
34 natura:nether_blue_large_glowshroom[variant=stem]
35 natura:nether_blue_large_glowshroom[variant=south_east]
