Sandstone with lots of matrix is termed badly sorted. If matrix quantities to much more than ten % with the rock, it is named a wacke ("wacky"). A perfectly-sorted sandstone (little matrix) with very little cement is called an arenite. Yet another way to have a look at it is https://sandstone-nsw41739.creacionblog.com/11471959/a-secret-weapon-for-sandstone-blocks-mudgee