R791 Sample ID R791 • Cabinet A Gneiss 9.63cm W x 15.128cm H x 8.792cm D • 1738g Sample TypeRockRock QualityMetamorphicTextureFoliated Grain SizeCoarseColorLightGrain Sorting mohs 6 The rock is shaped somewhat like a triangular wedge. The rock is mostly varying shades of tan in terms of color. The foliation of the rock resembles the layering of different rocks on top of each other on a flat surface. Description of Mohs scale here