The procedure was as follows: selected a masonry company -> went to the local hardware stores, but were not 100% satisfied with the displayed stones -> the hardware store gave us the contact of an agent who had over 300 stones on display -> there we asked, among other things, for a Röben stone, which we liked in various new development areas and had asked the owners for the name -> the agent does not work with Röben and therefore cannot offer it to us. Therefore, the currently sought stone cannot be from Röben.
The Röben stone we had in mind (sand yellow multicolored with beige grout - we had it quoted by the local hardware store) is out of the running, however, because white windows are not desired and we do not like other window colors with that stone.