Wallerius, John Gottschalk; D. D. Systema Mineralogicum quo Corpora Mineralia in Classes, Ordines, Genera et Species, suis cun Varietatibus Divisa Describuntur, atqve Observationibus, Experimentis et Figuris aeneis Illustrantur. Tom. I & II. Krausiana, 1778. Quarto, Tom. I, pp. 14, 448, 38, frontispiece portrait of Wallerius, 2 folded engraved plates. Tom. II, pp. 10, 640, 59.
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The set is complete and in a contemporary tree calf, with gilt spine titles, upper part of spines including titles have had minor worm damage repaired, binding edges reworked, lower inner margin of first pages of volume 1 with light damp stain, light toning to end sheets and a few text pages. In very good condition.
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A Swedish mineralogist and chemist at Upsala; Wallerius (1709-1785) wrote the first definitive handbook on mineralogy (Mineralogia, 1747) thus establishing a firm foundation for the science. It was the first work to contain a systematic description of such a large number of minerals. Wallerius provides a concise name for each mineral, its chemical characteristics, and assigns an order, class genera and species to each. The above work is the 2nd edition of his "System of Mineralogy" in two volumes which was first published in 1772. The work includes a Latin, Swedish, and German name index at the end of each volume.