4.16ct Cushion Cut Tourmaline 12x7mm Timegrapher MTG 9900A Testing System Overal Length 135mm

Overal Length 135mm

Ultrasonic Frequency: 42 000Hz

Set delay time to prevent output shock so as to protect the circuit

Color: purple

Witschi - Chronoscope S1 (G2) Generation 2 With or without a microphone For Mechanical Movements

4.16ct Cushion Cut Tourmaline 12x7mm Timegrapher MTG 9900A Testing System Overal Length 135mmTourmalines 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