5mm Round Teal Tourmaline Cabochon Gold Testing Stone

5mm Round Teal Tourmaline Cabochon Gold Testing StoneTourmalines 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

Amplitude precision: +/- 1

Working temperature：＜45℃

095 x 340 x 9

the electrode probe can be replaced

This also allows those who wear glasses to more easily use the tool

The colors of plastic box and wrench are random

Comprising of 18 conical gem guages

You can also fit other available individual dies

Item Weight: 62g / 2

3mm wide rings

and provide a waterproof seal

Material: High Temperature Plastics + Stainless Steel + Silicone