Endnote 8 – Ammon, Moab and Edom: Gods and Kingdoms East of the Jordan
The most recent study suggests that the black stone may be granodiorite, rather than basalt, and may have once belonged to a statue. See Heather Dana Davis Parker and Ashley Fiutko Arico, “A Moabite-Inscribed Statue Fragment from Kerak: Egyptian Parallels,” BASOR 373 (May 2015), pp. 105–120.