. 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. ^^U|| .Asserted loeality of ruby betiveen Mogauru) and Sanka. Approximate position of the asserted loeality of spiiiel (and rtiiy?) on the Upper Irrawaddy. Extent of the ruby-bearing dis- trict of Mogok. Jtuby-field of the Sagyin Hills. Fig. 51. Occurrence of rubj' and sapphire in Burma and Siam. (Scale, 1 : 15,000,000.) Fig. 55. Euty-fields of Bur
. 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. ^^U|| .Asserted loeality of ruby betiveen Mogauru) and Sanka. Approximate position of the asserted loeality of spiiiel (and rtiiy?) on the Upper Irrawaddy. Extent of the ruby-bearing dis- trict of Mogok. Jtuby-field of the Sagyin Hills. Fig. 51. Occurrence of rubj' and sapphire in Burma and Siam. (Scale, 1 : 15,000,000.) Fig. 55. Euty-fields of Burma. (Scale, 1 : 10,088,500.) OccuERENCE.—While the poorer qualities of ruby are widely distributed, clear, transparent material suitable for cutting is found in but few countries, of which Burma, Siam, and Ceylon are alone of commercial importance at the present time. Now, just as in former times, Upper Burma furnishes us not only with the finest but also with the largest supply of rubies. The distribution of precious stones (I'uby, red tourmaline, jadeite, and amber) in this country is shown on the map in Fig. 54, the ruby localities being given in special detail in Fig. 55. The ruby mines of Upper Burma were worked at least as early as the fifteenth century and have ever since supplied the greater part of the material used in jewellery, including the finest stones known. The majority of. 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.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpreciousstones, booky
