However , we know most of the stones were precious in Egypt , Assyria , and Babylonia .
Another problem is nomenclature ; names having changed in the course of time : thus the ancient chrysolite is our topaz , the sapphire is our lazuli , etc .
We know most of the stones were precious in Egypt , Assyria , and Babylonia .
Another problem is nomenclature ; names having changed in the course of time : thus the ancient chrysolite is our topaz , the sapphire is our lazuli , etc .