sardius
/ˈsɑːdɪəs
/noun
A red precious stone mentioned in the Bible (e.g. Exodus 28:17) and in classical writings, probably ruby or carnelian.And thou shalt set in it settings of stones, even four rows of stones: the first row shall be a sardius, a topaz, and a carbuncle: this shall be the first row....
- In the first chapter I discuss what the tribe of Reuben and the sardius stone symbolize.
Origin
Late Middle English: via late Latin from Greek sardios.