If ever the crystal is of single color, coloring should be evenly spread out. Also look at the ingredients list for whole grain products such as brown rice, barley, or oats. Hemp oil was once used things paints, varnishes and to grease fitness machines. https://www.pressadvantage.com/story/64873-contractors-state-license-center-is-offering-contractors-license-classes-over-zoom-in-los-angeles