Page:Theophrastus - History of Stones - Hill (1774).djvu/203

 which tries Gold, is alo very wonderful, as it eems to have the ame Power with Fire; which is alo a Tet of that Metal. Some People have, for this Reaon, quetioned the Truth of this Power in the Stone; but their Doubts are ill founded, for this Trial is not of the ame Nature, or made in the ame Manner with the other. The Trial by Fire is by the Colour, and Quantity lot by it; but that by the Stone, is made only by rubbing the Metal on it; the Stone eeming to have a Power of receiving eparately the ditinct Particles of different Metals.