prope Property Test to Perform/explanation Rub on white tile, observe the color of the powder left behind Moh's hardness scale - A0perform a scratch test (fingernail, penny, steel file) Find mass per unit volume Observe with a lens - number of faces and the angles in which they meet Hit it with a hammer - even break along parallel planes/flat surfaces Hit it with a hammer - uneven break/irregular - not along flat surfaces Observe with your eyes the color of the mineral outward appearance Observe with your eyes how the light reflects off of the surface