The following two different producing area of tourmaline have also different structure: Xinjiang area: The tourmaline is mainly the pegmatite of crystal hole, mainly existence with lepidolite , emerald , crystal , topaz , purple apatite , yellowish green spodumene , aquamarine ,etc.
Brazil: The tourmaline is mainly a placer , mainly existence with yellow gem , amethyst , diamond.

    Processing: Processing apparatus generally combine airflow grinding machine with muller, if simple one apparatus is very difficult to accomplish nanometer, if want to get ideal nanometer particle, there must be the following procedure : break up products –airstream crush- grind wetly- drying- airstream crush again - sealed packaging ( Apparatus : QT-6A crusher, QLM5A40 air current grind, SG-1SPNM grinding machine ) Granularity : According to the application of different lines, in granularity, such