If a person sees a grinding stone in motion, it signifies that he will most definitely acquire sustenance but after much difficulty and hardship, but such sustenance will be pure and halaal.
If a grinding stone is seen grinding wheat thus producing flour, it means the observer will acquire sustenance as a result of someone else’s toil. But if he, himself operates the grinding stone, it means he will earn his own livelihood. Sometimes, a mill or grinding stone represents fighting or quarrelling if there is anything to suggest this in the dream.... Islamic Dream Interpretation
(Twenty one pebbles collected at Muzdalifa near the Plain of ‘Arafa during the pilgrimage season and are used to stone the devil at a place called -Iamarat.) In a dream, pelting stones represent fidelity, paying one’s debts, victory over one’s enemy, or doing good deeds.
To eat one of the stones which are intended for pelting in a dream means to devour or steal the property of a young orphan. Pelting stones ina dream also means fulfilling one’s obligatory prayers and fasting, having earlier missed their performance for a legitimate reason. (Also see Pebbles; Pilgrimage; Jamariit)... Islamic Dream Interpretation
Throwing stones from a high altitude down in every direction in a dream means being unjust toward others though from a position of strength. (Also see Cast’; Stoning; Hazelnut; Rocks)... Islamic Dream Interpretation