R798 Sample ID R798 • Cabinet A Gneiss 9.192cm W x 14.895cm H x 8.828cm D • 1184g Sample TypeRockRock QualityMetamorphicTextureFoliated Grain SizeCoarseColorMixed light and darkGrain Sorting mohs 4 The rock is somewhat shaped like a 3D triangle. It has alternating bands of light and dark. The rock is mostly alternating between dark grey and light grey in color. Description of Mohs scale here