 | | Report (issue) | | Helpful suggestions on field occurrences and pegmatite mineralogy were received horn Dr. James J. Norton...Professor Edwin H . Oshier, Head of the Department of Mining Engineering, made the photographs included in this...Geological Survey in Washington, D. C., or Denver, Colorado, or from the Department of Geology and Geological...[Bulletin 18 SILICATES - Tektosilicates Feldspar Group (Orthoclase) (Microcline) (Anorthoclase) (Albite)...(Andesine) (Labradorite) (Bytownite) (Anorthite) Quartz Cristobalite Opal Pollucite Nephelite Petalite |  | | Journal (volume) | | Strashimir Borisov Strashimirov, University of Mining and Geology “St. Ivan Rilski” (BG), Nada Vasković...(Croatia) (Hungary) (Slovakia) (Greece) (Hungary) (USA) (Hungary) (Egypt) (Austria) (Romania) (Hungary)...(Hungary) (Hungary) (Hungary) (Croatia) (UK) (Slovakia) (USA) (Austria) (Romania) (Slovakia) (China) (Germany)...(Germany) (Poland) (Italy) (Czech Republic) (Romania/USA) (Germany) (Hungary) (Russia) (Czech Republic) (Japan)................................245 EG52 Platinum-group minerals in the new millennium................. |
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