 | | Journal (issue) | | is frozen for many months each year. The whole region was originally populated by native Indians, and...Halite 16. Proustite 17. Realgar 18. Orpiment 19. Opal 20. Minimum ………………………………………………………………………………………...from members’ collections. I decided to focus on Namibia, a country I have visited 3 times now with SMLS...Copper Valley Mine, Mesopotamia 504, Khorixas, Kunene Region, Namibia. (Photo: John Hall) The specimens...Kaokoveld District, Kunene Region, Namibia. It also comes from the same region in Namibia at Mesopotamia 504 |  | | Book | | Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits...__ Republic of Namibia The President State House W°Ntdhoek FOREWORD Namibia is endowed with an...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |  | | Journal (issue) | | autunite and other fluorescents, together with opal and lesser quantities of hematite, wolframite, native...specimens: the first was quartz, tourmaline and opal from Gunheath china clay pit in Cornwall, the second...from the Copper Valley mine, Mesopotamia 504, Namibia, consisting of small but very aesthetic blue-green...tuperssuatsiaite from the Aris quarry, South Windhoek, Namibia, both showing exquisite tufts of very dark green...given the need to get it back in one piece from Namibia. Nick Hawes Class 3. A display of British minerals |  | | Book | | .,,., ..,,.... w + ..... . ·. .... . - Namibia Zauberwelt edler Steine und Kristalle ooa Dieses...Erdgeschichte 8 Zur Geschichte des Bergbaus in Namibia 17 Der Brandberg und die Mineralfunde in seiner...Die Typlokalität des Namibit 97 Spessartin vom Kunene-Fluß, Kaokoveld 100 102 108 Edelstein-Turmaline...110 Auf Turmalinsuche in Namibia Die Demantoide von Tubussis in Zentral-Namibia 112 116 Sodalith von...bei Rössing l 19 Zeolithe vom Grootbergpaß in Namibia Kamphaugit-(Y) von der Rössing-Mine 120 124 126 |  | | Journal (article/letter/editorial) | | minerals Article A Review of the Classification of Opal with Reference to Recent New Localities Neville...Abstract: Our examination of over 230 worldwide opal samples shows that X-ray diffraction (XRD) remains...for delineation and classification of opal-A, opal-CT and opal-C, though we found that mid-range infra-red...provenance. The corpus of results indicated that the opal-CT group covers a range of structural states and...At the one end are the opal-CTs that provide a simple XRD pattern (“simple” opal-CT) that includes Ethiopian |  | | Catalog/List | | ..... .... .... ..... $125.00 BEYERITE, Khorixas, Namibia Bright yellow patches and crystals of beyerite.... ........ $50.00 NAMIBITE, CuBi 20 0 , Khorixas, Namibia Deep olive to emerald-green namibite in beyerite........................ $22.50 CACHOLONG, var. of OPAL, Huttenberg, Austria Unusual white botryoids of |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...ENERGY Of the several hundred minerals present in Namibia, around sixty have been exploited. some, such as...base metals and industrial minerals have helped Namibia rank amongst the top five mining countries in Africa...terms of production and reserves. In this context, Namibia is a major producer of copper, lead, zinc, cadmium...unpublished. It is evident that mineral exploration in Namibia, as elsewhere. has changed from serendipitous discoveries |  | | Journal (issue) | | Pearce -5- SMLS Journal 189 May/June 2004 NAMIBIA RE-VISITED: So where was the "Tourism" in the GEOTOURISM...everyday for the first two weeks of our trip to Namibia, but the third week, when wives and sweethearts...party" of four set off touring towards Swakopmund, Khorixas and Etosha Game Park and apart from visiting the...nest there. They are the only pair in this region of Namibia and it has become a tradition that every time...dioxide to oxygen. Stromatolites are not uncommon in Namibia. We saw some just north of Tsumeb in 2001 on our |  | | Journal (issue) | | Seltenheiten und Stufen der Extraklasse gab es in der Namibia-Sonderschau in Hamburg zu sehen . Was sonst noch...8 cm hohes Azurit-Kristallaggregat von Tsumeb, Namibia. Sammlung Gerhard Grude, Foto Rainer Bode. Kurz...+ Fax +004~1-8135113 Kurz & Fündig WILLKOMMEN Opal-Schleifen .. Sehr geehrte Damen und Herren,aufmerksam...zwischen „precious" - und „potch"-Lagen und der Opal wird durchsichtig. Zudem nimmt man beim Schleifen...Mineralien-Welt 1/2001 7 Kurz & Fündig Alles Namibia • oder was? Die „mineralien 2000 hamburg„ Zum |  | | Journal (issue) | | fiskeøglen fra Holzmaden? av Edi Hasic Trip Report från Namibia turen 2012 av Lennart Borg Aragoni av Ingulv Burvald...STEIN 3-2013 SOGN OG FJORDANE Jølster Jølstervann: Opal, epidot, klori , albi , magne og hema er rapportert...975 11 694 36 STEIN 3-2013 Trip Report från Namibia turen 2012 Av Lennart Borg, Foto: Gunnar Jenssen...kring nästa dag, då vi skulle passera gränsen mot Namibia, och började prata om pass. En av oss hade så klart...turister som oss själva. Dag 13-15 Dag 18 Mot Khorixas och norrut letade vi en hel dag e er vesuvianit |  | | Book | | seen in aragonite (light and dark orange). (A þ D) Region A exhibiting polycrystalline calcite within the...calcite overgrowth crystal in the inset. (B þ E) Region B with a crack running through the crystal with...observed in the outer parts of the fracture. (C þ F) Region C shows calcite crystals (light blue color) extending...orientation of the reaction front in that particular region. The crystallographic directionality of the apatite...and altered parts as well as from the interface region showed that the crystallographic orientation of |  | | Journal (issue) | | Oolitter andre sandkorn 23-24 Mineraler i bushen (Namibia) 32-34 Kristiansenitt - et nytt mineral fra Tørdal...Betpak-ebene bei Dzhambul, Kasachstan 35 Basalt-Opal aus Honduras 36 Kainosit aus dem Hopffeldgraben...RECORD 33(4), 08.02 289-301 Jeremejevite from Namibia 282 John Sinkankas 305-318 Sulfur from the Perticara...bezoek toch geen groot succes. In de buurt van Khorixas ligt een "petrified forest" dat qua kwaliteit |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during...medium-submetallic luster (Jahn et al., 2003). NAMIBIA [SOUTH-WEST AFRICA] Erongo Mountains, Damaraland...about 20 other quartz mines are operated in the region of the Subpolar Urals, northwest of Saranpaul, |  | | Book | | Enigmatic Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights...and Allan Pring A Review of the Classification of Opal with Reference to Recent New Localities Reprinted...on another occurrence of sapphires in the same region of the South Urals occurring in anorthosites (kyshtymites)...evolution of alluvial sapphires from the Orosmayo region (Jujuy Province, NW Argentina) and importantly...Curtis et al. [33] in their work reviewed the current opal classification including additional data on samples |  | | Book | | / 1 0 4 Bou Azzer, Marokko / 8 5 Hohenstein, Namibia / 3 1 Sarabaunitt ® 4 Piemontitt ® Hardhet:...omvandlingsprodukt av silikater. Følgemincraler: Opal, kvarts. Lignende mineraler: I denne paragenesen...Hellas / 12 2 Mina Ojuela, Mexico / 12 3 Tsumeb, Namibia / 3 4 Durango, Mexico / 8 5 Gambatesa, Piemont...30 2 Lengenbach, Sveits / 1 5 3 Aukas berg, Namibia / 3,5 4 Lengenbach, Sveits / 15 5 Gyongyor, Ungarn...oksidasjons 56 Funnsteder/ forstørrelser 1 Tsumeb, Namibia / 8 2 Wittichen, Schwarzwald, Tyskland / 15 3 Potrerillos |  | | Book (edition) | | polished, 70 mm, Anjanabonoina, Madagaskar, G Page 5: Opal - fire, polished, 50 mm, Mezezo, Ethiopia, G Page...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Kunlun Mts., near Hotan, Xinjiang Uygur Autom. region, China, also at Fengtien, Taiwan. Green at Ospinskoye |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | extent of producing diffraction patterns (e.g., opal), (2) metamict materials that were crystalline at...few materials by X-ray diffraction order (e.g., opal). Lattice constants are generally derived es be...fibrous minerals Columbite, wolframite Quartz Opal, some yellow varieties of sphalerite Nepheline Tale...Huantaya(*), Chanarcillo(*), and Chanca, Chile; Tsumeb, Namibia. BM DI:96, R:313, P&J:71, ABI:475. 1.1.1.3 Copper...Broken Hill mine, Zambia; Onganja mining district, Namibia. Andacolla, near Coquimbo, and Chuquicamata, Chile; |  | | Journal (issue) | | by von Knorring and Sahama from northwest ern Namibia, namibite has been identified from a number of...Cumbria GERMANY 2 Am Hechtsberg quarry, Hausach NAMIBIA 10Khorixas UNITED STATES 3Stewart mine, Pala district...beyerite, hechtsbergite, eulytite and mixite. Khorixas, Namibia Namibite was first described as a new mineral...quartz vein deposit near Khorixas (formerly Welwitschia) in northwestern Namibia. The monoclinic crystals...Namibite, a new copper-bismuth-vanadium mineral from Namibia. Schweizerische Mineralogische und Petrographische |  | | Journal (issue) | | x 6 x 5 mm and weighs 0.673 g. It has a damaged region from which a small fragment was removed for optical...measuring 45 x 58 x 178 pm, was removed fro the damaged region of sinhalite crystal #1. An optical study of tl...miners 99 Figure 6. Mine entrances in the Karameza region, Laurium district. (Thomas Moore photo) ground...had no chance to verify it firsthand, that the region harbors dozens of former miners and/or present...amorphous. Globular crusts of colorless hyaline opal and black manganiferous coatings and stains occur | | | Journal (issue) | | 6 x 5 mm and weighs 0.673 g. It has a dan1aged region from which a small fragment was removed for optical...45 x 58 x 1 78 µm, was removed from the damaged region of sinhalite crystal # 1 . An optical study of...lbcl: Figure 6. Mine entrances in the Karameza region, Laurium district. (Thomas Moore photo) ground...had no chance lO verify it firsthand, that the region harbors dozens of former miners and/or present...X-ray amorphous. Globular crust of colorless hyaline opal and black manganiferous coatings and Lains occur |  | | Book (edition) | | shown to be a mixture of Ni(OH)2 • gibbsitc. and opal by G.S. Grit7�1cnko. N.K Aidinyan and V.P. Butuzov... Unnecessary varietal name. (TL) L1ke Superior region. Alasanitc. error for alazanite. Znp. Vses. Min...thorianite with up to 1 2 wt.% PbO. (TL) Aidan region. eastern Siberi:i. US S R . Named for locality...[PDF 29-765 1. (TL) Alekseev deposit. Sutemskii region, St:inovoi range. USSR. Named for locality. Alexandrite...); phosphate-enriched allophanc. Alo Allophane opal. syn. of schrbtterite. T. Egleston ( 1 887) Car |  | | Book (edition) | | Arizona; (lower right, center) mimetite, Tsurneb, Namibia, (lower, right) gold, Amazonas, Brazil All specimens...opalescence Somewhat pearly luster such as sho,vn by some opal. opaque Property of being impervious to visible...Bolivia; Czechoslovakia; Norway; Germany; Tsumeb; Namibia; Chaiiarcillo, Chile; and Broken Hill, New South...Ojuela mine, Mapimi, Durango, Mexico; at Tsumeb, Namibia; and at Laurium, Greece. Other occurrences are...skarn, in the Solvech fluorite deposit, Karagandin region, Kazakhstan, USSR. SELECTED REFERENCE: Shpanov |  | | Book (volume) | | cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR...olivenite from Tsumeb, Namibia (1); Zn-enriched olivenite from Tsumeb, Namibia (2); Zn-enriched olivenite |  | | Book | | grey in reflected light. Alekseev mine, Sutamskii region, Stanovoi Range, USSR. H= 2.3, Djjj=?, D(;=7.80...Zn)(As04)2*H20, S Mon. Resinous/adamantine yellow. Tsumeb, Namibia; also Clara mine (Grube Clara), Wolfach, Schwarzwald...57, VIIB 11b. Keller & Dunn, 1982. Am. Tsumeb, Namibia. Min. 68(1983), 280 (Abst.). Arsenic, As, E...CuPb2(As04)(S04)(0H), [g] Mon. Translucent green. Tsumeb, Namibia. H=?, Djjj= 6.46, Dg= 6.392, VIIB 14. Vesignie...yellow-green. Asis farm, Kombat mine, Otavi (E), Namibia. H= 3.5, Djjj=?, D^= 8.041, IIIC 06. Rouse et ah |  | | Book | | discovery locality, at the Alekseev mine, Sutamskii region, Stanovoi Range, Russia. Lipovetskil, A.G. et al...after its discovery locality, in the Andalusia region, Spain. Delaméthene, J.C. (1798):J.de Phys. 46...(1978): Am. Mineral. 63, 424. Named after the Aragon region, Spain, where pseudohexagonal twinned crystal forms...composition: arsenic plus brackebuschite. Tsumeb, Namibia. Abraham, K. et al. (1978): Neues Jahrb. Mineral...composition: arsenic plus descloisite. Tsumeb, Namibia. Keller, P. & Dunn, P.J. (1982): Mineral. Rec. |
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Mesopotamia copper valley, Khorixas, Kunene Region, Namibia