This listing is for beautiful shimmering round cut Rainbow Topaz Gemstone silver Ring size 8 or Q. The stone is 8 mm in diameter. You will love it:) Note, if you need to change the size of the ring to any other size it can be done for additional $10.00 (you will have to contact me about it and I will change the price for you). It will take extra 5 business days to change the size, etc.. "For thousands of years, Rainbow Mystic has been believed to have mystical, powerful and healing properties in many cultures, ranging from the Egyptians to the ancient Greeks. It is a hard gemstone that is easily breakable, and should be treated with care. For those who wear fire topaz or keep it close to them, it is believed to be able to protect against harm, heal disturbing emotions and strengthen faith and spirituality." "The unique look of mystic topaz is due to the shimmering play of rainbow colors. Some of the properties of topaz include: calm, relieves and balances emotional mental breakdowns. Believed to help in situations related to nervous fatigue, exhaustion or extreme stress. Change, cleansing, letting go." Chakras - Third Eye Chakra, Solar Plexus Chakra Birthstone - June Zodiac - Cancer, Libra, Scorpio Planet – Moon