nbUaR/Re'uven/Reuben

Re'uven (Re'uven goes to Wikipedia at this point) (Order of birth Gen 29:32; Yisra'el/Israel's blessing Gen 49:3, 4)

Breastplate stone  sard, a form of chalcedony with silicon dioxide (SiO₂) (Si=14) (O=8) (SiO₂=30) mixed with iron oxide (Fe₂O₃) (Fe=26)