Dyckia sp from Rio Grande do Sul

This unplibhised new  Dyckia species seems to come in every shade of red, wine, green and also may appear coated with silver scales from a light dusting to a heavy coating.
Its soines are not so pugancious as they may appear to be, they are more or less rubber like.
They are small plants to mediun sizide when adult plants.
They are Rock cliff dweller and almost impossible to reach in nature.