R737 Sample ID R737 • Cabinet C Dolomite 13.079cm W x 22cm H x 5.753cm D • 2256g Sample TypeRockRock QualitySedimentaryRock TypeChemical CompositionDolomiteGrain SizeFineGrain ShapeAngular Grain SortingWell sortedAcid ReactionWeak when powderedMohs Hardness 4 The rock is somewhat shaped like a 3D triangle. There is some rock that is greenish grey colored. But the rock is covered by a lot of dolomite crystal, pinkish white color. Description of Mohs scale here