This is a total small business set-aside solicitation for a commercial, field-deployable X-Ray Diffraction System, with a firm-fixed-price purchase order anticipated. The mandatory delivery requirement is within 120 days after receipt of order on an FOB Destination or Delivered Duty Paid basis. The evaluation will use a tradeoff method where technical capability (including optional features like powered stages and automation) is more important than price. The place of acceptance for the system is at 100 Bureau Drive, Gaithersburg, MD 20899. No specific budget amount is provided in the description.