The advantage of green amethyst for silver rings is that it is a fairly durable stone with a grade of 7 on the Moh’s scale. That means this is pretty resilient. Of course, that does no, mean that this stone can already be left alone as such. You have to prevent the stone from touching other hard surfaces. You can use warm, soapy water but for a more professional clean, ultrasonic cleaners can be used. Keep the stone away from extreme heat or cold conditions so as to prevent it from getting damaged structurally. Follow these steps and your green amethyst will look brilliant for a very long time.