Other Stones that grow in Mines, or cleave unto the Metal, they call CiQues, an alfo Caxas, which are rough and uneven, but not very hard, nor very fpongy, and common ly have nothing of Metal in them, a t o m fome rich Minos they are infefted with fome little, by the Vicinity of the Oar. ^ The Stones of Petofi, call’d Vilaaqw, have been, and are very famous for the Abundance of Silver gotten out of them ; and arc one of the Ingredients that make this P rov incc without Comparifon. Vila fignines Blood in Peru, or any red, thing 5 an< l f° r the^ Streakes of red this Stone hath in it, they cal) it Viler c'tques. CHAP. XIV. Of precious Stones. P &ECIQUS Stones are either tranfpar-ent, as the Diamond is, or obfeure, as the Onix, or between both, as the Sandonyx and the Jafper. It is the Water which is the principal Caufe of Clearnefs, and the Earth', of the Opacity of them. So that the Reafon why. they excel one the other in Luftre and! Tranfpareiycy, is ftonj the variety of Hu mours congeal’d together to compofe them,, which are fome of them more pure and clear than others. „ White Stones are made of Humour alma it like Water, and fo are more clear and t-ran- C 6 fparent y,