¶Of Optallio. cap. 73.
OPtallio is called Oppalus also, and is a stone distinguished with colors of diuers precious stones, as Isid. saith. Therein is the firie colour of ye Carbun∣cle, the shining purple of the Ametistus, the bright gréene colour of Smaragdus, and all the colours shine therein, with a manner diuersitie, and hath the name of the Countrie. This stone bréedeth onely in Inde, and is déemed to haue as many vertues, as blewes and colours. Of this Optallius, it is said in Lapidario, that this stone Optallius kéepeth and saueth his eyen that beareth it, cléere and sharp and without griefe, and dimineth other mens eyen that be about, with a maner clowde, and smiteth them with a maner blindnesse, that is called Amentia, so that they may not sée neither take héede what is done before their eyen. There∣fore it is said, that it is the most sure pa∣tron of thieues as it is sayd in Lapidar.