Gem Type: Opal Weight: 2.67ct. Size: 11.8 x 8.6 x 5mm Color: Black Luster: Rainbow Color Sparkling ( Very Beautiful ) Orgin: Ethiopia Treatment: Smoke - Registered shipping with insurance and tracking number. - The opal can regulate insulin in the body and help detoxify and regenerate the liver. It supports delivery and PMS and stimulates the bladder, kidneys and lymph nodes. It relieves muscle tension and pain in the lower back and abdominal areas. It is said to be able to improve memory and stimulate nerve endings, potentially treating conditions such as Parkinson's. People who suffer from anxiety or panic attacks may want to carry an opal gemstone with them as it speeds recovery time after a long illness or surgical procedure. Certain gemstones and minerals are believed to have positive health and spiritual properties. Catawiki assumes no guarantee or liability for these proposed properties, which may have no scientific basis and cannot be considered a substitute for traditional medical treatment.