Precision-drilled sieves fit inside the chrome plated case and screens diamonds by size
Potentiometer for speed adjustment
Supplied with spare blade
Very fast and accurate hardware tool to drill the 15° angle holes
1.06ct Oval Faceted Paraiba Type Tourmaline 8x6mm Robur Case & Glass Press Precision-drilled sieves fit inside theTourmalines 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