Another information link for Crassula multicava. https://www.smgrowers.com/products/plants/plantdisplay.asp?plant_id=4392

Details are not close enough to tell for certain. I’m guessing these might be a type of Crassula, perhaps the C. multicava? Check out these included links for more information. Using the to view all the images, click to enlarge. Maybe you could get in touch with folks on the nursery to help in confirming or ruling out this suggested ID. Best wishes! https://www.randomharvest.co.za/en-us/South-African-Indigenous-Plants/Show-Plant/PlantId/485?Plant=Crassula%20multicava%20Purple