R740 Sample ID R740 • Cabinet C Breccia 8.310cm W x 13.749cm H x 7.643cm D • 956g Sample TypeRockRock QualitySedimentaryRock TypeClastic CompositionRock fragmentsGrain SizeCoarseGrain ShapeAngular Grain SortingPoorly sortedAcid ReactionNoMohs Hardness 9 Somewhat wedged triangular shaped rock. Lots of rocks of variable sizes cemented together. The rocks that make up the rock are mostly white in color with the cement being brownish Description of Mohs scale here