Page 359
So that as by the present (XLVIII.) Ex∣periment it appears, that divers Minerals will impart to fusible Masses, Colours diffe∣ring from their own; so by the making and compounding of Amels, it may appear, that divers Bodies will both retain their Colour in the fire, and impart the same to some o∣thers wherewith they were vitrifi'd, and in such Tryals as that mention'd in the 17. Ex∣periment, where I told you, that ev'n in A∣mels a Blew and Yellow will compound a Green. 'Tis pretty to behold, not only that some Colours are of so fix'd a Nature, as to be capable of mixture without receiving a∣ny detriment by the fire, that do's so easily destroy or spoyl those of other Bodies; but Mineral Pigments may be mingled by fire little less regularly and successfully, than in ordinary Dyeing Fatts, the vulgar Colours are wont to be mingled by the help of Water.