R744 Sample ID R744 • Cabinet C Stalactite 7.265cm W x 7.665cm H x 5.427cm D • 420g Sample TypeRockRock QualitySedimentaryRock TypeChemical CompositionCalaciteGrain SizeFineGrain ShapeAngular Grain SortingWell sortedAcid ReactionNoMohs Hardness 3 Somewhat shaped like a cube. It is white and semi-opaque in color. There is some linear lines, going up and down from how the rock grew from calcium carbonate precipitating. Description of Mohs scale here