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Alexander County Almandite Amethyst Bakersville beautiful belt beryl Blue Ridge carat chrysolite Clingman collection color corundum CORUNDUM GEMS Corundum Hill Cowee Valley crystalline Culsagee cyanite developed diamonds discovery dunite ECONOMIC SURVEY BULLETIN emerald EPIDOTE F. A. Genth feldspar found in North Franklin garnet Gaston County gem minerals GEMS FOUND GEOLOGICAL AND ECONOMIC Geological Survey Geologist George Frederick Kunz Georgia gneiss gold green igneous interest Iredell itacolumite J. H. Pratt Jenks Joseph Hyde Pratt Jour Lincoln County Macon County matrix mica miles Mineral Resources Mitchell County monazite Morgan-Tiffany Mountain Museum of Natural N. C. GEOLOGICAL Natural History North Carolina ornamental stone Oxide pegmatitic pegmatitic dikes peridotite pink PLATE polish Postage 4 cents pounds Precious Stones Prof quartz crystals region rhodolite rock ruby corundum rutile sapphire schist serpentine Shepard SMARAGDITE smoky specimens Stephenson Stony Point TOURMALINE transparent variety veins W. W. Ashe weighing York zircon
Seite v - State Geologist Chapel Hill. LETTER OF TRANSMITTAL CHAPEL HILL, NC, November 15, 1906. To His Excellency, HON. RB GLENN, Governor of North Carolina. Sir. — I have the honor to submit for publication as Bulletin No. 12 of the Geological and Economic Survey, the report of Dr. George Frederick Kunz on the History of the Gems found in North Carolina. Yours obediently, JOSEPH HYDE PRATT, State Geologist.
Seite 19 - Hill, there occurs a peculiar brown or bronze corundum, known locally as "pearl corundum," which shows distinct asterism, both by natural and artificial light, when the alone is cut en cabochon. In natural light these corundums all show a bronze luster and are somewhat similar to the cat's-eye, but in artificial light the star is more distinct. Most of the bronze corundum is in rough crystals, but some have been found that have the prismatic faces smooth and well developed, and these are often dark,...
Seite 50 - frost-drift " is well illustrated by the conditions that prevail throughout this region. The unaltered rock appears at Stony Point at a depth of 26 feet and is unusually hard, especially the walls of the gem-bearing pockets. An exceptionally clear and reliable account of the search for minerals in Alexander County which resulted in the final uncovering of the important emerald and beryl deposits of Stony Point, has been given by the developer of the first emerald mine in this country, William E.
Seite xxii - ... for abrasive purposes. Another promising mine, opened soon afterwards, was the Buck Creek, or Cullakeenee mine, in Clay County ; but this has had much the same history. Next came the mining for emeralds in Alexander County, at Stony Point, where crystals had been found loose in the soil formed by the disintegration of the country rock. As this region has never been subjected to glacial action, as the northern part of the country has, anything found in the soil, apart from stream-beds, has its...
Seite 10 - Chatard,2 of the United States Geological Survey, the corundum region extends from the Virginia line through the western part of South Carolina, and across Georgia as far as Dudleyville, Ala. Its greatest width is estimated to be about 100 miles. This belt has sometimes been called the chrysolite or chromiferous series, owing to the presene of chrysolite containing chromite, from the former of which corundum was believed, by certain authorities, to have been derived by alteration.
Seite 32 - In Haywood County a number of crystals of amethyst have been secured, some of which were cut into very fine gems. In 1894 Mr. TK Brunner, of Raleigh, reported a yield of amethysts from Catawba, Macon, Wake, Lincoln, and other counties in the State; and in 1898 he stated that large amethysts of good color were still found in Lincoln County, together with smoky and lighter colored varieties. In 1901 there was a decidedly promising effort to prosecute mining for amethysts on a commercial scale at Tessentee,...