Y.
Yrcus is a Male Goat, whose blood is said to soften glasse, and flints, &c.
Ysopus is the art of Alchymy to separate pure from impure.
Z.
Zaidar is Mercury.
Zaidir is Copper or Verdegrease.
Zarfa is Tin.
Zelotum is stony Mercury.
Zerus is Gold.
Zoraba is Vitriall.
Zinck is a metallick marcasite, and a certain naturall mixture of four immature metalls, whereof Copper is most apparent.
Ziniar is Verdegrease.
Zuitter, or Zitter, is a Marcasite.
Zymar, or Zysar is Verdegrease.
FINIS