al-Fadl bin Musa al-Synany الفضل بن موسى السيناني · The Book of Hajj

the Messenger of Allah joined Maghrib and Isha; in Jam (Al-Muzdalifah), with one Iqamah, and he did not offer any voluntary prayers in between or after either of them.

"The Messenger of Allah stoned the Jamarat with pebbles like date sones or fingertips."