Rainbow moonstone has a light body colour and an ethereal display of different colours. This "glow" is known as adularescence.
Rainbow moonstone is from the feldspar group of gemstones. Although relatively hard-wearing, rainbow moonstone can be sensitive to knocks, so we recommend storing it carefully, away from your other jewellery. To clean, we recommend using a warm soapy solution and a soft brush (we use an electric toothbrush) and drying with a soft cloth.