New use for gravel suggestion.

i think it would be cool if gravel got a big boost is in usability as a mystery block. This is how i see this working. A new crafting block called a stone tumbler will be able to take in gravel, when it does it will have multiple output slots the recipe requires a fair amount of gravel, sand and water bucket and out puts random items such as gold nuggets, lapis, cobble, dirt, iron nuggets or copper nuggets and maybe rarely diamond. the stone tumbler of course will have other uses such as a accessory block to the stone cutter, maybe as a cement mixer, maybe as a red stone random tick generator based on output inventory by making it so the output can't stack. if the block has its own unique sound that would be cool too.