Tribe
Reuben
Crystals associated with the tribe of Reuben
Traditions associate different crystals, and sometimes they disagree. Each crystal shows the tradition that makes the association; its sources are on the crystal page.

Carnelian
Orange-red chalcedony colored by iron oxides. The Romans loved it for seals, because hot wax doesn't stick to it.
- Rabbinic literatureDisputed

Red Jasper
Opaque quartz colored red by iron, with a Hebrew name that made it all the way to Europe, and perhaps two places in the breastplate.
- Modern interpretationDisputed

Ruby in Zoisite
A green rock from Tanzania with real ruby crystals inside. Someone once even tried to value one at £11 million.
- Rabbinic literatureDisputed