"We returned during the Hajj with the Prophet and some of us said that they had stoned (the Jamarat) with seven stones, and other said that they had done so with six, and no one denounced anyone else."
Sunan an-Nasa'i Book 24, Hadith 460
← Previous Hadith "We entered upon Jabir bin 'Abdullah and I said: 'Tell me about the Hajj of the Prophet. He said: 'The Messenger of Allah stoned the Jamart which is by the tree, with seven pebbles, saying the Takbir with eeach pebble - pebbles that were the size of data stones or fingertips. And he threw them for the bottom of the valley, then he went to the place of sacrifice in Mina."'

Sunan an-Nasa'i Book 24, Hadith 459 Next Hadith → "I heard Abu Mijlaz say: 'I asked Ibn 'Abbas something about the Jimar, and he said: I do not know, the Messenger of Allah stoned it with six or seven.

Sunan an-Nasa'i Book 24, Hadith 461