The invention relates to a blank arrangement, with a blank (12) that is to be machined, in particular for the production of dental restoration parts. The blank is connected to a holder (16), which is fixedly connected to the blank (12), and to an adapter (22), which releasably bears the holder (16) and the blank (12), the adapter (22) having an effective surface by means of which the blank unit can be mounted in or on the work holding fixture of a machining device.