R780 Sample ID R780 • Cabinet A Phyllite 5.245cm W x 13.75cm H x 1.626cm D • 262g Sample TypeRockRock QualityMetamorphicTextureFoliated Grain SizeFineColorDarkGrain Sorting mohs 4 The rock is shaped somewhat like an elongated S. The rock is gray in color and has a slight sheen to it. There is some evidence of individual sheets in the rock on either end if the S, Description of Mohs scale here