 | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |  | | Journal (article/letter/editorial) | | Genesis of Thunder Eggs Containing Plume and Moss Agate Downloaded by [Tufts University] at 06:56 07 October...October 2014 from the Del Norte Area, Saguache County, Colorado DANIEL E. KILE U.S. Geological Survey...Survey 3215 Marine Street, Suite E-127 Boulder, Colorado 80303 dekile@usgs.gov Figure 1. View of the Del Norte...Norte, Colorado, have provided the collector in recent times with world-class plume and moss agate. Plume...Plume agate represents the ultimate in aesthetically arranged featherlike assemblages, whereas moss agate |  | | Book (volume) | | 56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...members. Searches could be confined to terrains and creek beds that expose vil Preface types of rocks...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache...James D. Lindberg, Las Cruces, NM; Jack Lowell, Colorado Gem & Mineral Co., Tempe, AZ; Steven & Lorna Lukinuk |
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Houselog Creek, Saguache County, Colorado, USA