hi yes i believe its a type of echeveria not a sedum it has velvety leaves that are tinged red

Thank you, Rosemarie and Nancy. It could be longipes, but it also looks like "Augrabies Hills". Maybe I'll be able to tell more when the bloom opens.

It could be x Gasteraloe "Flow"

I think it needs a good soaking. It is trying to conserve moisture and is dropping old leaves. If you are unsure, stick a long toothpick or wooden kebab skewer deep into the soil and leave it overnight. Pull it out tomorrow, and if it doesn't feel dampish, you should water. It is possible your soil is compacted into a hard mass which water cannot soak into. When you water, watch if the water comes out the drainage holes immediately or if it actually soaks into the soil. If it pours out immediately, immerse the whole pot in a deep tray of water and let it soak for a few hours. Then use the wooden skewer to determine when it needs to be watered again. The purple colour is likely from the high light levels. happy growing! Breton