They set on it four rows of stones: a row with a ruby, a topaz, and a beryl – the first row;
The topaz of Cush cannot be compared with it; it cannot be purchased with pure gold.
The stones are to be for the names of the sons of Israel, twelve, according to the number of their names. Each name according to the twelve tribes is to be like the engravings of a seal.
and the second row, a turquoise, a sapphire, and an emerald;
It was square – they made the breastpiece doubled, nine inches long and nine inches wide when doubled.