5x4mm Octagon Cut Tourmaline microscopes covering 9 measuring sections from

covering 9 measuring sections from 0

Chemicals - Gilding Salts 24ct 1 litre for plating

Made with excellence in mind

140 x 100 x 25mm (Height x width x depth)

Working temperature range: 10°C~30°C

5x4mm Octagon Cut Tourmaline microscopes covering 9 measuring sections fromTourmalines 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