Minecraft wiki entry for Buried_Treasure, associated text: Buried treasures are the smallest naturally-occurring structure in the game.
In Java Edition, the player arrow is shown under the X of the treasure, but in Bedrock Edition, the player arrow is shown on top of the X.
In Java Edition, the buried treasure contains the highest number of diamonds per chest among all generated structures, at an average of 1.25 diamonds per chest, while the end city only has an average of 1.06 diamonds per chest.