Block

The Calamity Mod adds 51 new block types, including both natural and player-crafted types.

Naturally Occurring Blocks

Soils

Block	Appearance	Environment	Mined With	Destroyed By Explosives	Notes
Eutrophic Sand		Sunken Sea	Any Pickaxe		Initially indestructible. Can be mined once Desert Scourge is defeated.
Navystone		Sunken Sea	Gold Pickaxe or Platinum Pickaxe		Initially indestructible. Can be mined once Desert Scourge is defeated.
Brimstone Slag		Brimstone Crag	Adamantite Pickaxe or Titanium Pickaxe
Sulphurous Sand		Sulphurous Sea	Gold Pickaxe or Platinum Pickaxe
Abyss Gravel		Abyss	Nightmare Pickaxe or Deathbringer Pickaxe
Voidstone		Abyss	Adamantite Pickaxe or Titanium Pickaxe
Planty Mush		Abyss	Pickaxe Axe or Drax
Tenebris		Abyss	Pickaxe Axe or Drax
Astral Dirt		Astral Infection	Any Pickaxe
Astral Stone		Astral Infection	Any Pickaxe
Astral Sand		Astral Infection	Any Pickaxe
Hardened Astral Sand		Astral Infection	Any Pickaxe
Astral Sandstone		Astral Infection	Any Pickaxe
Astral Ice		Astral Infection	Any Pickaxe

Ore Blocks

Block	Appearance	Environment	Mined With	Destroyed By Explosives	Notes
Sea Prism		Sunken Sea	Gold Pickaxe or Platinum Pickaxe after the Desert Scourge has been defeated
Aerialite Ore		Underground, Cavern	Nightmare or Deathbringer Pickaxe
Cryonic Ore		Underground Snow	Adamantite or Titanium Pickaxe
Perennial Ore		Underground, Cavern	Pickaxe Axe or Drax
Charred Ore		Brimstone Crag	Pickaxe Axe or Drax
Astral Ore		Astral Infection	Pickaxe Axe or Drax (post-Astrum Deus)		Initially indestructible. Can be mined once Astrum Deus is defeated.
Chaotic Ore		Abyss	Picksaw		Drops damaging particles when underwater.
Exodium Cluster		Planetoid	Any Pickaxe
Uelibloom Ore		Underground Jungle	Gallant Pickaxe
Auric Ore		Cavern	Blossom Pickaxe

Other

Block	Appearance	Environment	Mined With	Destroyed By Explosives	Notes
Cinderplate		Main Planetoid	Any Pickaxe
Prism Shard		Sunken Sea	Any Pickaxe after the Desert Scourge has been defeated
Viper Vines		Abyss	n/a
Lumenyl		Abyss	n/a
Astral Monolith		Astral Infection	Any Pickaxe
Astral Cactus		Astral Infection	n/a
Astral Vines		Astral Infection	n/a
Arena Block		Supreme Calamitas fight	n/a		Indestructible and unobtainable as an inventory item.

Crafted Blocks and Bricks

Block	Appearance	Recipe	Crafting Station	Destroyed By Explosives	Notes
Smooth Abyss Gravel		Abyss Gravel	Work Bench
Smooth Brimstone Slag		Brimstone Slag	Work Bench
Ashen Slab		Smooth Brimstone Slag	Work Bench
Cinderplate		Obsidian (3) + Hellstone (6)	Iron Anvil
Smooth Voidstone		Voidstone	Work Bench
Voidstone Slab		Smooth Voidstone	Void Condenser
Aerialite Brick		Aerialite Ore + Stone Block	Furnace
Statigel Block		Purified Gel	Static Refiner
Cryonic Brick		Cryonic Ore + Stone Block	Furnace
Perennial Brick		Perennial Ore + Stone Block	Furnace
Astral Brick		Astral Ore + Stone Block	Furnace
Chaotic Brick		Chaotic Ore + Stone Block	Furnace
Plagued Plate		Plague Cell Canister (5) + Iron Bar or Lead Bar	Furnace
Uelibloom Brick		Uelibloom Ore + Stone Block	Furnace
Profaned Rock		Unholy Essence + Stone Block	Ancient Manipulator
Profaned Slab		Profaned Rock (5)	Ancient Manipulator
Profaned Crystal		Unholy Essence + Glass	Ancient Manipulator
Runic Profaned Brick		Profaned Rock (4) + Profaned Crystal	Ancient Manipulator
Stratus Bricks		Ruinous Soul + Lumenyl (3) + Stone Block (40)	Ancient Manipulator
Otherworldly Stone		Stone Block (150) + Dark Plasma + Armored Shell + Twisting Nether + Silk (15)	Draedon's Forge
Cosmilite Brick		Cosmilite Bar + Stone Block (20)	Draedon's Forge
Silva Crystal		Crystal Block (200) + Gold Bar (25) + Darksun Fragment + Effulgent Feather (5) + Cosmilite Bar (5) + Nightmare Fuel + Endothermic Energy	Draedon's Forge

Notes

• Certain ores spawn in the world and can be destroyed by explosives only if their corresponding bosses have been defeated.
• The top blocks of Otherworldly Stone and Uelibloom Bricks cannot be hammered into half blocks or slopes.