in value, as well as in the locality of their origin, were the
Bactrian, found, it was said, in the crevices of the rocks during the
prevalence of the Etesian winds : " for then especially did they
sparkle in the ground when those winds had swept away the sands."
These, however, were much smaller than the Scythian sort. Dionysius
Periegetes describes the Indians as gathering both " verdant Beryls"
and grass-green Jaspers out of the gravel of their torrents; apparently
including Emeralds under the former designation, for nowhere does he
mention the " Smaragdus.''
The Egyptian held the third rank. Pliny notices nothing more of them than their extreme hardness, equal
to that of the Scythian : these were extracted from the rocks round
about Coptos, in the Thebaid. They are not to be confounded with the
Ethiopian, found, according to Juba, twenty-five days' journey (which
would make 500