R767 Sample ID R767 • Cabinet A Granular Gneiss 12.736cm W x 19cm H x 5.152cm D • 2020g Sample TypeRockRock QualityMetamorphicTextureFoliated Grain SizeCoarseColorMixed light and darkGrain Sorting mohs 9 The rock is a mixture of white and dark grey. And is pretty much crystalline. The rock is somewhat shaped like a low grade slope. The foliation is shown in short lines by the dark grey minerals in the rock. Description of Mohs scale here