Abstract: The present disclosure relates to a system and method for an interleaved spiral cone shaping collimation. The present disclosure also relates to an instrumentation that utilizes the interleaved spiral cone shaping X-ray collimator for the identification of concealed materials, or substances, such as explosives and drugs, as well as for the identification of material embedded in objects, even under conditions where invasive examination of said material is impossible, impractical or undesirable.