20.81ct Octagon Cut Tourmaline 20x12mm Sand Casting Flask Bar mould length adjustable from

Bar mould length adjustable from 10 to 50mm

09 x 240 x 7

1 * Nibbler Cutter with Handle

Overall size: 100 x 45 x 13mm

Cooling Time: 3-5 minutes

20.81ct Octagon Cut Tourmaline 20x12mm Sand Casting Flask Bar mould length adjustable 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