. Precious stones, a popular account of their characters, occurrence and applications, with an introduction to their determination, for mineralogists, lapidaries, jewellers, etc. With an appendix on pearls and coral. Precious stones; Pearls; Corals. Fig. 48. " Star of the ; Two views of the rough stone. (Natural size.) Dufrenoy, was described as being an irregular rhombic dodecahedron with convex faces (Fig. 48), and as weighing 254J carats. The stone showed in a few places small octahedral impressions of other diamonds, as if the larger diamond had once formed one of a group o
. Precious stones, a popular account of their characters, occurrence and applications, with an introduction to their determination, for mineralogists, lapidaries, jewellers, etc. With an appendix on pearls and coral. Precious stones; Pearls; Corals. Fig. 48. " Star of the ; Two views of the rough stone. (Natural size.) Dufrenoy, was described as being an irregular rhombic dodecahedron with convex faces (Fig. 48), and as weighing 254J carats. The stone showed in a few places small octahedral impressions of other diamonds, as if the larger diamond had once formed one of a group of crystals; in other places the octahedral cleavage was discernible. A few small black plates enclosed in the stone have been considered to be ilmenite (titaniferous iron ore), since this, mineral has been shown to occur as an enclosure in diamond. The rough stone fetched 430 contos de reis, about ^£"40,000. It was cut in Amsterdam, and produced a beautiful pure brilliant of 125 carats (Plate XI., Figs. 9a, 9b, 9c), which was bought by the Gaikwar of Baroda for ,£80,000. Mr. E. Dresden's diamond was found at the same place as the last-mentioned. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bauer, Max, 1844-1917; Spencer, Leonard James, 1870- tr. London, C. Griffin and Company, Ltd.
Size: 1905px × 1312px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectpreciousstones, booky
