Page:Theophrastus - History of Stones - Hill (1774).djvu/121

 XLIV. The Emerald has alo its peculiar Properties; for it aimilates Water, as was before oberved, to its own Colour. A Stone of a middling Size will do this to a mall Quantity only of the Water into which it is put, a large one to the Whole; but a bad one to no more than a little of it, which lies