5.90ct Oval Cabochon Tourmaline 15.8x8.1mm Rotary Pendulum Drive Unit (Gold Pendulum) Heat resistant to sterilization temperatures

Heat resistant to sterilization temperatures of up to 400°C and is suitable for autoclave sterilization at 270°C

 They can be fragile which makes it more suitable for jewellery such as necklaces

Stainless steel arms

5 Sources: The most famous source of fire opals is the state of Querétaro in Mexico

1 * User Manual(Italy + German + English + French + Spanish + Japanese)

5.90ct Oval Cabochon Tourmaline 15.8x8.1mm Rotary Pendulum Drive Unit (Gold Pendulum) Heat resistant to sterilization temperaturesTourmalines 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