2.94ct Octagon Cut Tourmaline 8.4x7.3mm Harald Schneider Loupe 54mm Straight XHPX-2-A Through-hole Type

54mm Straight XHPX-2-A Through-hole Type Shrouded Header

Operating Humidity: 0-80%RH

For calibres ETA 2892

whether these are 6-8-10-12 or 14 sided

2.94ct Octagon Cut Tourmaline 8.4x7.3mm Harald Schneider Loupe 54mm Straight XHPX-2-A Through-hole TypeTourmalines 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