Exodus 39:10
And they set in it four orders of stones. The order was a ruby, an emerald, and a chrysolite: this was the first order.
Exodus 28:16-17
It shall be square and double; a span shall be the length thereof, and a span shall be the breadth thereof.
Exodus 28:21
And those stones shall be in agreement with the names of the sons of Israel, twelve, in agreement with their names; each one in agreement with his name like the engravings of a seal; they shall be according to the twelve tribes.
Revelation 21:19-21
And the foundations of the wall of the city were garnished with all manner of precious stones. The first foundation was jasper; the second, sapphire; the third, a chalcedony; the fourth, emerald;