5mm Round Blue Tourmaline Cabochon lapping machines by M33563 flat solid washer

by M33563 flat solid washer (sold separately)

Can be perfect used in marine and automobile applications

Stone Size: 10 x 10

very easy to take with

5mm Round Blue Tourmaline Cabochon lapping machines by M33563 flat solid washerTourmalines 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