R801 Sample ID R801 • Cabinet V Gneiss 7.550cm W x 18cm H x 1.305cm D • 434g Sample TypeRockRock QualityMetamorphicTextureFoliated Grain SizeCoarseColorMixed light and darkGrain Sorting mohs 5 The rock is somewhat shaped like a thin rectangle. The rock is mostly light green in color with some black/dark grey that shows up in small bands with the light green. There is a single band of mineral that circle's nearly all the way around the rock. Description of Mohs scale here