1 ) A device for inspecting and classifying a plurality of microscopic crystals, comprising: A) at least one camera, B) an indexing device for sequentially placing said microscopic crystals in camera-view of said at least one camera, and C) at least one computer programmed to control said indexing device and said at least one camera, wherein said at least one computer is programmed to receive from said at least one camera images of said plurality of microscopic crystals, wherein said at least one computer is programmed to classify said plurality of microscopic crystals.