R760 Sample ID R760 • Cabinet C Armored Mudballs 9.999cm W x 15.461cm H x 4.785cm D • 1416g Sample TypeRockRock QualitySedimentaryRock TypeClastic CompositionRock fragmentsGrain SizeMediumGrain ShapeRounded Grain SortingWell sortedAcid ReactionNoMohs Hardness 3 the rock is a rectangular cross-section of a bigger rock to show the armored mudball that was lithified inside the rock. Mostly brownish-grey in color except for the mudball which is brown. Description of Mohs scale here