A iron pickaxe is at least required to mine neptunium ore.
Neptunium Ore (full page)Edit
Neptunium ore is found in the nether as an easier alterative to getting the liquid form. Smelting the ore in the plasmificator will give you Neptunium Goop which you can put in a vial or smelt again into its' ingot form.
|Caustic Liquids||Acid - Cryonite - Neptunium - Netherflow - Obsidium - Plutonium - Radionite - Uranium|
|Ores||Neptunium Ore - Obsidium Ore - Plutonium Ore - Radionite Ore - Uranium Ore|
|Weapons||Acid Grenade - Acid Launcher - Laser Rifle - Laser Shotgun - Plasma Rifle - Rail Gun|
|Items||Caustic Battery - Charged Caustic Battery - Energy Cell - Goop - Hazmat Armor - Ingots - Overcharged Caustic Battery - Plasma - Plasma-Charged Caustic Battery - Plasma-Coated leather - Radionite Boat - Rifle Beam Splitter - Vials|
|Blocks||Acid Barrier - Acidic TNT - Glow Cloth - Plasmificator - Reinforced Glass|