Blocks

Blocks

Every block listed below can be compressed into a Compressed variant and further into a Double Compressed variant. Each tier multiplies the block's hardness and blast resistance by 2×.

All recipes are fully reversible — decompress any block back into 9 of the previous tier.

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Stone & Terrain

Block	Requires Tool	Gravity
Stone	✅	No
Cobblestone	✅	No
Dirt	❌	No
Sand	❌	Yes
Red Sand	❌	Yes
Gravel	❌	Yes
Netherrack	✅	No
Soul Sand	❌	Yes
Soul Soil	❌	No
Blackstone	✅	No
Deepslate	✅	No
Cobbled Deepslate	✅	No
Calcite	✅	No
Tuff	✅	No
Obsidian	✅	No
Andesite	✅	No
Diorite	✅	No
Granite	✅	No
Basalt	✅	No
End Stone	✅	No

Note: Compressed Sand, Gravel, Red Sand, Soul Sand, and all Concrete Powders are affected by gravity, just like their vanilla counterparts.

Natural Blocks

Block	Requires Tool
Sandstone	✅
Red Sandstone	✅
Glowstone	❌
Magma Block	✅
Quartz Block	✅
Ice	❌
Packed Ice	❌
Blue Ice	❌
Clay	❌
Snow Block	❌
Moss Block	❌
Pale Moss Block	❌

Ore Blocks

Block	Requires Tool
Iron Block	✅
Gold Block	✅
Diamond Block	✅
Emerald Block	✅
Lapis Block	✅
Redstone Block	✅
Coal Block	✅
Copper Block	✅
Netherite Block	✅
Amethyst Block	✅
Raw Iron Block	✅
Raw Gold Block	✅
Raw Copper Block	✅

Logs & Stems

All logs are rotatable (RotatedPillarBlock) and can be placed directionally.

Block
Oak Log
Spruce Log
Birch Log
Jungle Log
Acacia Log
Dark Oak Log
Mangrove Log
Cherry Log
Pale Oak Log
Bamboo Block
Crimson Stem
Warped Stem

Planks

Block
Oak Planks
Spruce Planks
Birch Planks
Jungle Planks
Acacia Planks
Dark Oak Planks
Mangrove Planks
Cherry Planks
Pale Oak Planks
Crimson Planks
Warped Planks

Wool (all 16 colors)

White, Orange, Magenta, Light Blue, Yellow, Lime, Pink, Gray, Light Gray, Cyan, Purple, Blue, Brown, Green, Red, Black

Concrete (all 16 colors)

White, Orange, Magenta, Light Blue, Yellow, Lime, Pink, Gray, Light Gray, Cyan, Purple, Blue, Brown, Green, Red, Black

Concrete Powder (all 16 colors)

Same 16 colors as Concrete. All concrete powder variants are affected by gravity.

Leaves

All leaf blocks are non-occluding (transparent rendering).

Block
Oak Leaves
Spruce Leaves
Birch Leaves
Jungle Leaves
Acacia Leaves
Dark Oak Leaves
Mangrove Leaves
Cherry Leaves
Pale Oak Leaves
Azalea Leaves
Flowering Azalea Leaves

New in v3.4.0

Block	Notes
Resin Block	Added in Minecraft 1.21.4
Cinnabar	New modded material
Sulfur	New modded material (uses catalyst for compression)
Potent Sulfur	New modded material

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Total Count

With 2 compression tiers across all materials, Ultimate Compression adds over 300 blocks to the game.