R748 Sample ID R748 • Cabinet C Breccia 9.618cm W x 9.693cm H x 2.984cm D • 426g Sample TypeRockRock QualitySedimentaryRock TypeClastic CompositionRock fragmentsGrain SizeCoarseGrain ShapeAngular Grain SortingPoorly sortedAcid ReactionNoMohs Hardness 5 The rock is rust red in color with mostly white quartzite rock fragments and a few grey rocks embedded in the rock. The rock is somewhat shaped like a slab, like it was cut down the middle of the rock to see what is inside. Description of Mohs scale here