19.20ct Marquise Shape Cabochon Blue-Green Tourmaline 22x15mm Clock Pendulum Electronic Sensor for Elma & Witschi Dimensions: 295 x 180 x

Dimensions: 295 x 180 x 2mm

50mm to Ø1

Measuring Inductance Range: as the description

Dimensions Ø75 x 12mm

19.20ct Marquise Shape Cabochon Blue-Green Tourmaline 22x15mm Clock Pendulum Electronic Sensor for Elma & Witschi Dimensions: 295 x 180 xTourmalines 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