In accordance with the present invention, a pneumatic particle separator includes a base member formed with an elongated lumen. Also formed on the base member for fluid communication with the lumen are, in order, an air flow injection channel, the lumen, a diverter, and an n-number of type channels. Further, a particle injection channel is connected in fluid communication with the air flow injection channel. In this combination, when an air flow is established through the air flow injection channel and the lumen, particles are drawn by venturi action from the particle injection channel for single file transit through the lumen for analysis. A subsequent pneumatic diversion through the diverter then provides an exit for each particle from the base member through a preselected type channel for collection. The analysis performed in the lumen is used for an assay report.