How to make a Prismarine in Minecraft

How to craft Prismarine

1. Open your Crafting Table so you have the 3x3 crafting grid.
2. Place Prismarine Shard in the top-left slot.
3. Place Prismarine Shard in the top-middle slot.
4. Place Prismarine Shard in the middle-left slot.
5. Place Prismarine Shard in the center slot.
6. The Prismarine will appear in the result box to the right.
7. Move the Prismarine to your inventory.