Page:Theophrastus - History of Stones - Hill (1774).djvu/49

 XIII. There are alo, beides thee, many other Differences obervable in them, according to their everal Qualities; of which thoe in regard to Colour, Hardnes, Softnes, Smoothnes, and the like Accidents, becaue of the Number and Diverity of those Qualities, happen to many.