R764 Sample ID R764 • Cabinet A Augen Gneiss 13.015cm W x 23.5cm H x 10.784cm D • 3606g Sample TypeRockRock QualityMetamorphicTextureFoliated Grain SizeCoarseColorMixed light and darkGrain Sorting mohs 5 The rock is mostly grey in color with big crystals throughout the rock that are yellow, white and pink in color. And the rock is in somewhat of a triangular shape. Description of Mohs scale here