When you dream about being dismembered, then it shows that you are not happy with your achievements. The dream could also represent some phase of your life that you are unable to control. You have lost the power to be in control of it and going to lose some of the things.
Dream dictionary: Dismemberment dream meanings
Symbolizes resistance, tenancy and perseverance. If it is a volcanic stone, then it represents petrification or hardening of the senses. If it falls out from heaven like meteorites, then it becomes a sacred omen. If it converts into tiny stones or sand, then it symbolizes the dismemberment, disintegration, illness and death. Dreaming about the extension of stone, warns us about our inner strength and sterility. If the water or rain appears, then some situation will be softened and dissolved. If the territory is covered with stones, then it expresses our resistance to change and if we decide to walk over them, then it indicates that life will be difficult and painful. Dreaming about cleft stone portends illness or familiar division and if it is broken, then it portends the death of something, family, business or our own personality.