| Pressure twins are commonly found in graphite or molybdenite, where they are easily identified. Optical properties...folded like paper. Left: Pressure twins in molybdenite. Penetration twins consist of two or more crystals...layered molybdite (olive to brown pleochroism) and molybdenite (grey bireflectance). Sedimentary Environments...sometimes weakly anisotropic grey shades, similar to molybdenite grey, orange, brown, blue 26 Emplectite Gratonite...grey; 33.02 medium grey; 32.86 grey, similar to molybdenite; 32.75 very weak Geocronite Zinckenite Semseyite |
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(2001) November - December 2001. The Mineralogical Record Vol. 32 (6) The Mineralogical Record, Inc. |
Journal (issue) |
| livia Alfredo Petrov Casilla 1728 Cochabamba, Bolivia e-mail: alfredopetrov@earthlink.net Bill and Carol...Colorado 80020 e-mail: smith72@attglobal.net Bolivia, a landlocked nation three times as large as M...this gazetteer. INTRODUCTION Most people think of Bolivia as a land of great mountain ranges and high cold...description only fits the southwestern third of Bolivia. The two thirds of the country to the north and...largest carbonatite outcrop, Cerro Manomo. The northeastern two thirds of Bolivia contains the fastest growing |
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Hyršl, Jaroslav, Petrov, Alfredo (2009) Bolivia - The Height of Mineral Collecting. Mineral Monograph 12. Lithographie, LLC |
Report (issue) |
| No. 12: Bolivia ht of Mineral Collecting N 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado...specimen 'being sold with the shrine when he was in Bolivia buying mineral specimens in the 1970s. He took...Ph08pl,ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC...Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt (ex Marv Rausch) Jase...640 200 100 600 The Political Divisions of Bolivia (after United Nations Map No. 3875, Peacekeeping |
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