9.16ct Octagon Cut Tourmaline 13x10mm Bergeon 6173R Reduction Ring Maximum temperature 121°C (250 Fahrenheit)

Maximum temperature 121°C (250 Fahrenheit)

built-in abrasive file cap

Thickness’s 5mm to 8mm approx

Working Temperature: -10～60℃(14～140℉)

Battery Life time: >80 Hours

9.16ct Octagon Cut Tourmaline 13x10mm Bergeon 6173R Reduction Ring Maximum temperature 121°C (250 Fahrenheit)Tourmalines are found in a wide range of colours, pink, green, blue, orange, yellow, brown, black, and colourless. Bi coloured Tourmalines are also common and stones which are coloured pink to green are known as watermelon tourmaline. Tourmalines can also display cat's eye chatoyancy, which is caused by parallel fibres running through the stone.; Tourmaline is found in many countries including Madagascar, Brazil, USA, Burma, Sri Lanka, Botswana and