 | | Journal (issue) | | Articles Famous mineral localities: The Erongo Mountains, Namibia . . . . . . . . . . . . . . . . . . ....cm, with schorl and feldspar, from the Erongo Mountains, Namibia. Desmond Sacco collection; Bruce Cairncross...on the mineralogical treasures of the Erongo Mountains in Namibia. Uliâs financial support made possible...Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded with minerals...SMALE Famous Mineral Localities: g{x Erongo Mountains Namibia Bruce Cairncross Department of Geology |  | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 . :~~..,-::__ ::...,.;_...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Desertand Escarpment The Spitzkoppen The Erongo Mountains The RossingMountains The Central Escarpment- The ...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275 |  | | Report (issue) | | MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA I 1990 Open File Report MRS 05 2 Abstract A...wide variety of semi-precious stones occur in Namibia, namely amazonite, the beryl varieties, chrysocolla...the most important semi-precious stones found in Namibia. The major deposits of these semi-precious stones...Introduction Since the German colonial period Namibia has been well known for the occurrence of semiprecious...throughout Namibia. 1. AMAZONITE The most important occurrences of amazonite in Namibia are those in |  | | Journal (article/letter/editorial) | | Laurium District, Greece, R. B. Cook, 154â59 Apatite, nomenclature, 204â5 Volume 85 Aquamarine, British...124â32 Bahmann, U., Raspite from the Erongo Mountains, Namibia, 272â74 Baileychlore, 319 Bailey, D. G...326â30 C Cairncross, B., Raspite from the Erongo Mountains, Namibia, 272â74 Calaverite, Cripple Creek, Colorado...146â50 Collectorâs Note, Raspite from the Erongo Mountains, Namibia, B. Cairncross, H. Van Niekerk, C. Reineke...Autonomous Region, China, R. B. Cook, 242â48; Spessartine, Marienfluss, Northern Namibia, R. B. Cook |  | | Journal (article/letter/editorial) | | Jacobson (1993); Switzer (1939a, b) 4 Sawtooth Mountains, Boise, Custer and Elsmore counties, ID, USA ...Santa Teresa Mountains, Aravaipa district, Graham County, AZ, USA Santa Teresa Mountains NYF Miarolitic...Lange, Tischendorf, and Krause (2004) 15 Strzegom region, Lower Silesia, Poland Biotite-hornblende granites...side of Lugano Lake, Varese Province, Piedmont region, Italy Pink granite in the Baveno Pluton and leucogranitic...(1983); Boriani et al. (1988) 17 Erongo Mountains, Namibia Erongo Granite NYF Miarolitic and rarely |  | | Journal (article/letter/editorial) | | minerals, particularly certain species from Tsumeb in Namibia and the Kalahari manganese field in South Africa...shown here for the first time. Examples are from Namibia, South Africa, Zimbabwe, and Tanzania. All the... Reproduced with permission Reproduced with permission Namibia Reproduced with permission Reproduced with permission...mine is located close to the southern border of Namibia and South Africa and has produced outstanding specimens...permission Figure 4. The Okorusu fluorite mine in Namibia was arguably the source of the countryâs finest |  | | Catalog/List | | the Tsumeb Mine (as well as other mines of the region) were still in production in the 1970s. You will...village near the foothills of the Drakensberg Mountains, in South Africa. His love of rock climbing soon...an exciting trip by Land Rover into the Maluti Mountains of Lesotho (formerly Basutoland) to visit the...engineering work took him to the Tsumeb Mine in Namibia. This mine is renowned for producing what are arguably...desert-like "Sperrgebiet" area of the southern coast of Namibia, with its fabulous wealth of gem diamonds. One |  | | Journal (issue) | | Variety 48 Green Dragon Mine â Demantoid from Namibia Branding Signature Colors Design Focus âOrnamentalâ...luxury goods manufacturersâ industry foundation. By region, the study indicated that the U.S. luxury market...remains dynamic, but still poised to slow. The region is expected to grow between -2% to 0% (at constant...of 7% to 9% (at constant exchange rates) for the region. Mainland China is also rebounding, as local consumers...remains difficult. Bain believes the market in that region is set to shrink by -2% to -4%. Hong Kong, Macau |  | Falster, Alexander U., Simmons, William B., Webber, Karen L., Boudreaux, Andrew P. (2018) Mineralogy and Geochemistry of the Erongo Sub-Volcanic Granite-Miarolitic-Pegmatite Complex, Erongo, Namibia. The Canadian Mineralogist, 56 (4) 425-449 doi:10.3749/canmin.1700090 | Journal (article/letter/editorial) | | GEOCHEMISTRY OF THE ERONGO SUB-VOLCANIC GRANITEMIAROLITIC-PEGMATITE COMPLEX, ERONGO, NAMIBIA ALEXANDER U. FALSTER§...early Cretaceous anorogenic, sub-volcanic Erongo Granite, Namibia, was emplaced into metasedimentary rocks...Neoproterozoic to Cambrian Damaran Orogeny. The Erongo Granite contains pegmatitic miaroles containing...quartz-tourmaline orbicules and the geochemistry of the Erongo Granite. Erongo miarolitic pegmatites are famous for spectacular...negative Eu anomaly. Relative to continental crust, Erongo Granite samples are depleted in Ba, Sr, and Ti |  | Baldwin, J. R., Hill, P. G., von Knorring, O., Oliver, G. J. H. (2000) Exotic aluminium phosphates, natromontebrasite, brazilianite, goyazite, gorceixite and crandallite from rare-element pegmatites in Namibia. Mineralogical Magazine, 64 (6) 1147-1164 doi:10.1180/002646100549940 | Journal (article/letter/editorial) | | and crandallite from rare-element pegmatites in Namibia J. R. BALDWIN1,*, P. G. HILL2, O. VON KNORRING3...rare-element pegmatites from the KaribibUsakos area, Namibia, have been investigated using the electron microprobe...SrAl3(PO4)2(OH)5 H2O and gorceixite BaAl3(PO4)2(PO3OH)(OH)6. Apatite is common at the contacts with montebrasite and...post-magmatic fluids in these pegmatites. K EY WORDS : Namibia, exotic aluminium phosphates, lithium pegmatites...common in most of the Li pegmatites in the Karibib area, Namibia, and in many instances they are the only |  | | Journal (article/letter/editorial) | | Seaman Mineral Museum. INVESTIGATION OF PURPLE APATITE FROM GRANITIC PEGMATITES. C. D. Brown and M. A...Smithsoniun Institution, Washington, DC 20560. Apatite is the most common phosphate mineral found in granitic...green to less common blue, white, or pink. Purple apatite is extremely rare but widespread and is virtually...replacement units). 186 ROCKS & MINERALS Purple apatite from sixteen granitic pegmatite localities displays...(to 5.5 wt. % SrO). Although the purple color of apatite has been attributed to the presence of Mn, its |  | | Journal (issue) | | Hemimorphite from Congo ⢠Jeremejevite from the Erongo Mountains, Namibia ⢠New morganite mine in Madagascar ⢠Namibian...encountered in Namibia ⢠Plastic and steel pearl imitations ⢠Gem cutting factories in Namibia ⢠Conference...states were transported by glaciers from a specific region in Canada (the James Bay Lowland; figure 3). Isolated...(Kennady Lake); (14) Dry Bones Bay; (15) Birch Mountains; (16) Buffalo Hills; (17) Mountain Lake ultrabasic...âIndicator lakeâ; (30) Otish Mountains; (31) Wemindji; (32) Torngat Mountains aillikite dikes; (33) Saglek |  | | Journal (issue) | | brought something else. During my latest trip to Namibia in May I heard of a remarkable find of aquamarine...black tourmaline from the "Erongo Mountains'' (i.e., Kubusis north of Karibib), vanishing under my nose...Mine (Cunningham Gulch) around 19845. The Ortiz mountains and mine are just a few miles north of the San...Andyrobertsite, calcio-andyrobertsite Tsumcb. Namibia 16-8: 10 Anglesite San Antonio Mine. Santa Eulalia...16-5: 1.6-JO AnthophyUite Balmat. NY 16-4¡ l .5 Apatite Golconda Mine. Minas Gerais. Brazil 16 -8: 1.3-5 |  | | Journal (issue) | | Thirty-three, Number Four Articles Jeremejevite from Namibia . . . . . . . . . . . . . . . . . . . . . . . ...32-page, full-color Issue! 112 pages and much Apatite (Brazil), stereo photogr., color photography! $12...22/#6 Wagholi cavansite (India), Kombat mine (Namibia), Madan mines (Bulg.),Beltana mine $12 v.23/#1...Seravezza Marble (Italy) $12 v.27/#2 Onganja mine (Namibia), Lac Nicolet mine (Quebec), Afghanite $12 v.27/#3...Platinum (Russia), District! Special Otavi Mtn. Land (Namibia), OUT SOLD Issue $12 Repair & Restoration $12 v |  | | Book | | Republic, 6 cm). Figure 1.2 Halite crystals (Namibia, 5.8 cm). 6 section devoted to the display of...in groups 8â12, show marked deviation. In this region of the Periodic Table, electronegativity increases...bonded substances, the electrons are confined to the region between the nuclei of the bonded atoms and they...Fluorite showing stepped, cubic crystal faces (Erongo, Namibia, 5.8 cm). hence occurs less commonly. Figure...(left, 6 cm) and grossular garnet (both from Kayes region, Mali); (C) grossular (Jeffrey mine, Canada, 5 |  | | Journal (article/letter/editorial) | | and Madagascar and within the Damara sequence in Namibia and morcovcr. within the Narnnqualand metamorphic...Mozambique, and Madagascar, and in the Damaran of Namibia (Figure 1). One of the largest, continuous regions...in Africa, is the Namaqualand-Gordonia-Kenhardt region or the Orange River pegmatite belt which is also...pegmatites vary to a great extent from one pegmatite region to another. In some areas lithium silicates are...Kamativi. Zimbabwe. 6. Bikita. Zimbabwe; 7. Karibib area. Namibia; 8. Noumas. Namaqualand. South Alrica: 9 |  | | Journal (issue) | | worldwide. However, most of the interest in this region lies in commercial amazonite collecting; very few...distinguished from apatite by optical analysis (average refractive index << 1.610, precluding apatite). Of note... 14 Recent Mineral Collecting Experiences in Namibia By Rich Blackman I have been fortunate to have...wildlife. These travels have included the country of Namibia that is in the southwestern corner of Africa, bordering...collections. This article is about my trip to Namibia in March of this year for the purpose of obtaining |  | | Journal (issue) | | chrysoberyl; petalite; pollucite; tantalite; cassiterite; apatite, monazite, and a wide variety of other minerals...the high mountains of Afghanistan and Pakistan; Minas Gerais in Brazil; Mozambique and Namibia in Africa;...source of some amazing gem material. --.In fact, the region was one of the world's leading sources of gem tourmaline...Williamson mine on Coahuila Mountain, Riverside County. Apatite The Himalaya mine has produced unusual bluish to...(emeralds may be found in the exometasomatic contact region of some pegmatites with mafic country rocks), most |  | Keller, Paul, Roda Robles, EncarnaciĂłn, Pesquera PĂŠrez, Alfonso, Fontan, François (1999) Chemistry, paragenesis and significance of tourmaline in pegmatites of the Southern Tin Belt, central Namibia. Chemical Geology, 158 (3) 203-225 doi:10.1016/s0009-2541(99)00045-5 | Journal (article/letter/editorial) | | in pegmatites of the Southern Tin Belt, central Namibia Paul Keller a , Encarnacion ´ Roda Robles b,) ...distinct belts within the Damara orogen of central Namibia. Many of the pegmatites have been mined extensively...Granitic pegmatites; Mineral chemistry; Central Namibia 1. Introduction The importance of tourmaline for...pegmatites from the Southern Tin belt of central Namibia, examining the petrographic characteristics and...Geology of the pegmatites The geology of central Namibia is dominated by metasedimentary and igneous rocks |  | | Journal (issue) | | located on the slopes of the Lelatema Mountains in the Manyara Region, about 70 km southeast of the town...Goboboseb Mountains, about 35 miles west of the town of Brandberg, Daures Constituency, Erongo Region, Namibia...Goboboseb Mountains, about 35 miles west of the town of Brandberg, Daures Constituency, Erongo Region, Namibia...the Merelani mine, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania. Will Johnson collection;... 17.5 cm, from Vangaindrano, Atsimo-Atsinanana region, Madagascar (finest known Madagascar aquamarine) |  | Defnet, Peter A., Wise, Michael A., Harmon, Russell S., Hark, Richard R., Hilferding, Keith (2021) Analysis of Garnet by Laser-Induced Breakdown SpectroscopyâTwo Practical Applications. Minerals, 11 (7) 705 doi:10.3390/min11070705 | Journal (article/letter/editorial) | | ultraviolet, visible, and near infrared spectral region between 200â900 nm. LIBS analysis has been used...with muscovite, biotite, garnet, tourmaline, and apatite typically present as accessory phases. Most LCT...constituents of metamorphic rocks (e.g., Osgood Mountains, NV, USA; Sierra De Cruces, Coahuila, Mexico;...Mexico) or in some cases, andradite (e.g., Erongo Mountains, Namibia). Meta-ophiolitic rocks formed by the...(Fe, Ti), grossular (Si, Al), manganite (Mn), apatite (Ca, P), and chromite (Cr). A conventional ZAF |  | | Journal (article/letter/editorial) | | are those from the pegmatites of the New England region. From Maine, King and Foord (1994, p. 246) note...collection, with some having intergrown schorl and apatite inclusions. Fine examples of the green chromian...Sarapulka district), Sverdlovskaya Oblast, Urals Region, Russia. The specimen is catalogued as a topaz...pegmatite, Eräjärvi area, Western and Inner Finland Region, Finland. Dark green pseudohexagonal crystals to...have come from a pegmatite in the Gaoligongshan Mountains, Yunnan Province (Ottens 2008). Figure 12. Muscovite |  | | Book | | Goudie Heather Viles Landscapes and Landforms of Namibia World Geomorphological Landscapes Series editor...Goudie ⢠Heather Viles Landscapes and Landforms of Namibia 123 Andrew Goudie School of Geography and the...landscapes vary enormously across the Earth, from high mountains to endless plains. At a smaller scale, nature...geographically coherent region. This volume presents the geomorphology of Namibiaâa country that hosts superb...with wildlifeâthey can all be found across Namibia. Since Namibia is relatively easy to navigate, the book |  | | Show/Event (guide) | | Frederick A. Canfield 4 4 Minerals from the Erongo Mountain, Namibia by Georg Gebhard 6 3 We warmly welcome...PM12:00-2:00 Extended Lunch and Shopping Break! 2:00-3:00 APATITE, TRULYANINTERDISCIPLINARY MINERAL ⢠Dr. John Rakovan...questions using really cool species like fluorite and apatiteâno little brown fly-specks here! John is a frequent...aesthetic and scientific pleasures of the mineral, apatite. 3:00 C o f f e e Break. 3:15-4:15 GEOLOGY AN...Geology, Miami University, Oxford, OH 45056. Typical apatite crystals have hexagonal symmetry and are optically |  | | Journal (issue) | | Emerald Mines DaylightFluorescent Hyalite from Namibia Gahnite from Nigeria Volume 38 / No. 2 / 2022...Cover photo: Spinel from Kuh-i-Lal, in the Pamir Mountains of Tajikistan, has a long history and has been...New York. ARTICLES 138 Spinel from the Pamir Mountains in Tajikistan By Dietmar Schwarz, Yicen Liu, Zhengyu...The Marketing of a Myth By Jack M. Ogden 114 Apatite from Slovakia | Afghan Emerald with Gota de Aceite...Walters Art Museum 119 172 Hyalite Opal from Erongo, Namibia, Showing Green Daylight Fluorescence 194 |
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Erongo Mountains, Karibib Constituency, Erongo Region, Namibia