General Repertory of Mineralogical, Mining, and Salt Works Literature

5. Physical and geographical works by Mr. Pierquin. Paris. 1744. 12mo.

Also contains a dissertation for the formation of precious stones, cameos, and seashells.

6. Treatise on engraved stones, by Mr. P. P. Mariette. Paris. 1750. Folio. II Volumes.

Also contains much on precious stones.

7. Abridged treatise on fine stones, or products of the nature of the East Indies, followed by calculations and operations of alloying gold and silver materials. Paris. 12mo. Vol. I. 1769.

8. On precious stones and fine stones, with the means to know and evaluate them, by Mr. L. Dutens. Paris and Basel. 1778. 8vo. 140 pages.

Beckmann’s Library IX, p. 288: good and instructive for jewelers, but not so for mineralogists; rather too incomplete and faulty.

b.) L. Dutens’ Treatise on precious stones of the first and second rank, and on the means to know and value them; translated from the French. Nuremberg. 1779. 8vo. 128 pages.

General German Library XL, 1, p. 174: quite well translated.

9. Inventory of the Crown diamonds, pearls, precious stones, paintings, engraved stones, and other monuments of arts and sciences existing in the Royal Furniture Repository; inventory made in conformity with the decrees of the National Constituent Assembly, of May 26, 27 and June 22, 1791, by its Commissioners M. M. Bion, Christin and Delattre, followed by a report.