 | | Report (issue) | | Geology and Beryllium Deposits of the Lake George (or Badger Flats) Beryllium Area, Park and Jefferson...Jefferson t:-1 Counties, Colorado g ~ s:p ~ I> li:tl ~ GEOLOGICAL SURVEY PROFESSIONAL PAPER 608-A g ... Geology and Beryllium Deposits of the Lake George (or Badger Flats) Beryllium Area, Park and Jefferson...Counties, Colorado By C. C. HAWLEY GEOLOGY AND ORE DEPOSITS OF THE SOUTHERN TARRYALL REGION PARK AND JEFFERSON...COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 608-A A study of the nonpegmatitic beryllium deposits |  | | Report (issue) | | Distribution of Beryllium Tin, and Tungsten in the Lake George area, Colorado Distribution of Beryllium Tin, and...and Tungsten in the Lake George area, Colorado By C. C. Hawley and W. R. Griffitts GEOLOGICAL SURVEY...------Boomer mine area -------------------~---------------------------Redskin area -----------------...----------------------------------------------------~ary Lee mine area ------------------------------------------------Geology...----------------------------------------------------Tappan Mountain area -----------------------------------------------Geology |  | | Journal (article/letter/editorial) | | COLORADO TOPAZ Topaz, Al Si0 (F,OH) is one of Colorado's better known gem minerals. Though Col orado...orado topaz may not compare in size with that found in Brazil, gemmy crystals up to 4 inches have been found...(PJM), 975 (TCM) Box 25046, Federal Center Denver, Colorado 80225-0046 A ccording to Cross and Hillebrand...discovery of Colorado topaz was made about 1880 by a Mr. Thiebald,* "a prospector of Colorado Springs."...been in the Crystal Park area. The largest fine-quality topaz specimens in Colorado occur in several separate |  | | Journal (article/letter/editorial) | | examples are easily the most glamorous of the beryllium minerals after beryl and chrysoberyl. Exceptional...is analogous to hydroxylherderite, a calcium beryllium phosphate. Euclase also occurs in greisens, in...greisen deposits in the Badger Flats–Lake George area, Park County, Colorado. In the COLOR SPONSORS for...Champell mines, and the Hazel Marie group and China Wall area (Eckel 1997). Euclase is also reported from...from Mount Antero pegmatites in Chaffee County. Other reported American euclase occurrences, some of which |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...way assisted me in the preparation of this work: George Ashley, Warren D. Baltzley, Dwight Barnes, Arnold...Dunn, Roy Elliott, Leonard Enos, J. A. Ferguson, George M. Francis, Judith W. Frondel, Charles W. Fryer...PRINCIPAL GEMSTONES Diamond, Corundum, Beryl, Topaz, Opal. II 68 IMPORT ANT GEMSTONES The Feldspar...pegmatite, Baja California 19. Sequist Ranch topaz area, Texas 20. Little Three mine, Ramona, California |  | | Catalog/List | | Bank Information: JP Morgan Chase Bank, N.A. 270 Park Avenue, New York, NY 10017 Account Name: Heritage...SMOKY QUARTZ Sierra Blanca, White Mountain Wilderness, Lincoln County, New Mexico At one time this spectacular...as this one were found. Now the area has been declared a Wilderness Area and is closed to collecting. No...seams. Originally, there were seven mines in the area that produced these along with the coal. Due to...Shangbao, Hunan Province, People’s Republic of China A mirror-bright group of simple, brassy cubes from |
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