R779 Sample ID R779 • Cabinet A Schist 11.801cm W x 5.636cm H x 1.97cm D • 108g Sample TypeRockRock QualityMetamorphicTextureFoliated Grain SizeMediumColorLightGrain Sorting mohs 3 It is a small rock that is wavy. It's color is silver and has a shiny sheen and there is some evidence of rusting having occurred. Description of Mohs scale here