For some players, the banker system could be confusing or complex. Fear no more! With this step-by-step guide, any player will understand the banker! Step 1: Find a Mystery Gem Chunk Step 2: Go to the bank (/bank) and left click the banker FYI: As a side note, the use of /banker is a shortcut to the banker's gui. Step 3: Place your mystery gem chunk in the 'furnace' gui Step 4: Left click the coal piece in the 'furnace' gui Step 5: Remove the Gem Chunk and place it in your inventory Step 6: Left click the banker again and click 'Withdraw or Deposit Gem Chunks' Step 7: Left click 'Deposit a Gem Chunk' Step 8: Place the 'Gem Chunk' into the gui and left click on the 'Redstone Torch' And Finally: Once the 'Gem Chunk' has been deposited, it will be added to your balance!