R775 Sample ID R775 • Cabinet A Schist 18cm W x 23cm H x 6.295cm D • 5210g Sample TypeRockRock QualityMetamorphicTextureFoliated Grain SizeMediumColorLightGrain Sorting mohs 5 The rock is somewhat rectangular in shape. It has lots of hornblende crystals in the rock. The rock is tan-grey in color. Description of Mohs scale here