 | | 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...cordierite, dioptase, dumortierite, pyrophyllite, the quartz varieties the garnet varieties, milarite, including...rose quartz and smoky quartz are currently the most important semi-precious stones found in Namibia. The...turquoise. An extensive deposit of amethyst occurs in quartz-calcite veins in rocks of the Swakop Group. Druses |  | | Book | | Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree ...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....Mineralogists,Geologistsand Collectors 21 27 29 37 Minerallocalities The North TsumebSpecial The Otavi...Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...s Onganja Mine and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and |  | | Catalog/List | | ‘normal’ habit, often in conjunction with euhedral Quartz crystals. The potential for new discoveries and...sideways as well as up. This form is sometimes seen in Quartz, but very rarely in Tourmaline. The rough exterior...matrix and is accompanied by a partially euhedral Smoky Quartz crystal. The Phenakite, measuring 0.9 inches...first offered for sale. 73007 TOURMALINE Minh Tien Mine, Luc Yen, Yenbai Province, Vietnam A classic Vietnamese...online, visit HA.com/6150 73008 ELBAITE Minh Tien Mine, Luc Yen, Yenbai Province, Vietnam This unusual |  | | Journal (issue) | | the Merelani mine, located on the slopes of the Lelatema Mountains in the Manyara Region, about 70 km...cover: Top left: Euclase, 2.2 cm, from the La Marina mine, Colombia. Top right: Topaz, 8.4 cm, from Ouro Preto...left: Phosphophyllite, 2 cm, from the Unificada mine, Potosi, Bolivia. Bottom right: Grossular, 3.5 cm...of the town of Brandberg, Daures Constituency, Erongo Region, Namibia. The occurrence was discovered in...Fluorapatite on elbaite, 5.5 cm, from the Alto da Cabeca mine, Parelhas, Rio Grande do Norte, Brazil. Will Johnson |  | | 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 |  | | Catalog/List | | it collected when the Tsumeb Mine (as well as other mines of the region) were still in production in...climbing soon brought him into contact with the quartz crystals that were found on the mountain slopes...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...Ian’s interest stems from the family trips to Namibia, including the mines of Tsumeb. He worked with |  | | Journal (issue) | | 5424087. Bibliotecaris. Rik TAMBUYSER, Jan Samijnlaan 37, B-2100 Deurne. Tel 03 3250393 Determinatiedienst... Aanwinsten voor de bibliotheek Rik Dillen Namibia, Zauberwelt edler Steine und Kristalle Steffen... Spitskoppe, Erongo, Otjua, Tubussis, Grootbergpas, Okorusu mine, Usakos, Rössing mine enzovoort. Het...und Rauchquarzfunde aus den Goboboseb-Bergen in Namibia 76-79 Die gZi-Steine aus dem Himalaya 80 Falsche...mineral collecting 4-5 Mineral news 7-37 Penberthy Croft mine, St. Hilary, Cornwall, England * UK J |  | | Journal (issue) | | Lab Notes • Bromellite • Charoite inclusions in a quartz-feldspar rock • Altered vs. natural inclusions...News International • Australia’s Ellendale diamond mine opens • Aquamarine and spessartine from Tanzania...Congo • Jeremejevite from the Erongo Mountains, Namibia • New morganite mine in Madagascar • Namibian gem...encountered in Namibia • Plastic and steel pearl imitations • Gem cutting factories in Namibia • Conference...diamonds shown here are from Canada’s Ekati Diamond Mine™, which started production in 1998. The necklace |  | | Book | | France acquired his remarkable collection of giant quartz crystals, exhibited in the National Museum of Natural...minerals. Ilia Deleff PHENOMENAL CRYSTALS GIANT QUARTZ CRYSTALS UNIQUE MINERALS IN WORLD MUSEUMS GEM...Delev Ilia Deleff Phenomenal Crystals GIANT QUARTZ CRYSTALS UNIQUE MINERALS IN WORLD MUSEUMS GEM...NATIONAL MUSEUM IN SOFIA 66 OTHER COLLECTIONS OF MINE IN BULGARIA 71 COLLECTIONS IN OTHER CITIES AROUND...74 95 99 101 TOURMALINE SPODUMENE 102 104 QUARTZ AND ITS VARIETIES 105 REFERENCES AND BIBLIOGRAPHY |  | | Book | | Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...the Yale Farm, about two miles northeast of the town of Litchfield, where a mass of white quartz on a ridge...ridge had once been mined for quartz, and large ilmenite masses could be seen on the old dumps. In 1975-1976...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County |  | | Journal (issue) | | on p. 79 Articles Native gold from the Jamestown mine, Tuolumne County, California......................collectors interested in visiting the Blanchard mine or other mines in the Hansonburg mining district...signed in at Bingham for entry to the Blanchard mine area for surface collecting. Underground collecting...strictly prohibited due to the hazardous nature of the mine workings, and visitors are required to acknowledge...agreement to collect in the area. The Blanchard mine will be closed to the general public until further |  | | Journal (issue) | | Tourmaline Queen mine, San Diego County, California. BACK COVER: Copper, 13.5 cm, from the Ray Mine, Pinal County...105 Phosphophyllite 37 Proustite 107 Pyrargyrite 49, 117 Pyromorphite 65, 184 Quartz 45, 67, 73, 79, 85...a superb crystal of kunzite from The White Queen mine in California lends important provenance to the...the White Queen mine, California (plate 8) The Cerussite from the Kombat mine, Namibia (plate 19) The...Tourmaline Queen mine, California (plate 31) "The Dragon" Gold from the Colorado Quartz mine, California (plate |  | | Journal (issue) | | Cairncross & C. R. Anhaeusser Minerals of the Linwood mine, Scott County, Iowa ............. 231 by P. L. Garvin... . . . . . . . . . . . 282 COVER: FLUORITE on quartz, 14 x 18 cm, from Mont Blanc, Chamonix, France...in the still open underground workings of the Gem mine. He encountered an open pocket containing well formed...conglomerate. The stories of these early discoveries and mine developments, some of which were conducted under...,,.•• MINE r •• •• ' ··, . TRANSVAAL e e e \ . |  | | Journal (issue) | | Peter Richards & D. G. Howard The Pezinok antimony mine, Male Karpaty Mountains, Slovakia.................Vitdlos The minerals of Alum Cave Bluff, Great Smoky Mountains, T ennessee............................. large format. by Ed Clopton and Wendell Wilson $37 Circulation Manager Mineralogical Record P.O. Box...very complex, much as it is on a Dauphine-twinned quartz crystal. As stated before, dodecahedra of sodalite...Similarly, while the two halves of Japan twins of quartz may have undistorted, hexagonal cross sections | | | Journal (issue) | | Cairncross & C. R. Anhaeusser Minerals of the Linwood mine, Scott County,Iowa ..................... 231 by...in the still open underground workings of the Gem mine. He encountered an open pocket containing well formed...conglomerate. The stories of these early discoveries and mine de velopments, some of which were conducted under...examples 209 MESSINA \ / *• \ / EERSTELING MINE y • PETERSBURG \ k PHALABORWA ii / ■ • r...Province. The Eersteling mine was the first deposit to be seriously exploited in the region. of native gold. |  | | Book | | other issues of the same volume will be referenced: 8:37-42 PAGINATION The following table of pagination...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G |  | | Journal (issue) | | MINERALOGICAL RECORD NOVEMBER–DECEMBER 2006 VOLUME 37 NUMBER 6 $15 Wayne & Dona Leicht, 875 North Pacific...the demise of a The Mineralogical Record, volume 37, November–December, 2006 historically great mineral...significant enough to set The Mineralogical Record, volume 37, November–December, 2006 specimens retain their...attached themselves to his clothes. He left the family farm determined to make a go of it, and talked his way...Mineralogical Record, volume 37, November–December, 2006 The Mineralogical Record, volume 37, November–December |  | | Journal (issue) | | moving products from mine to consumer. The main cover image was taken at the AnahÌ mine in Bolivia, a major...of the company (Even-Zohar, 2007). Because of the mine closures, De Beers’s market share by volume fell...11 DTCsightholder manufacturing facilities in Namibia. However, these are supplied from all DTC sources...of cutting factories throughout South Africa, Namibia, and Botswana, such as this facility in South Africa...pink diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds |  | | Journal (issue) | | wheedle our way into a pocket of amazonstone and smoky quartz. If you can go collecting without this ridiculous...points to the junction o f two veins in the Bage mine as the probable type locality fo r both species...ctober, 1992 377 Figure 1. The Cromford Moor mine near Mat lock, Derbyshire, England (from John M...crystal, 2.5 cm, with fluo rite, from the Wallclose mine, Cromford, Der byshire. It was sold to Charles...Phosgenite crystal, 1.2 x 2.5 x 4 cm, from the W allclose mine, Cromford, Derby shire. Greville collection, now |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...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 |  | | Journal (issue) | | discovered in 1917 the deep blue beryls from the Maxixe mine in Brazil have been a source of fascination both...Natrolite Petalite Leucite Oligoclase Quartz Synthetic quartz Iolite Scapolite Labradorite Beryl 2.91...714 1.725 31 32 33 33 1.736 1.746 1.764 1.764 35 37 38 RI 1.81 1.926 1.83 Sillimanite Kornerupine...months which included trenching and sampling in a region of approximately 200km2, some areas of major interest...transparent), magnetite, hematite, rutile, pyrite and quartz (originating from the Precambrian rocks). regional |  | | Report (edition) | | sawable diamonds (average 2 ct) from Ellendale diamond mine (courtesy Kimberley Diamond Company) Contents................................... 32 Marble Bar region ........................................................................................ 36 Cue region ..................................................................................... 36 Yalgoo region .................................................................................... 40 Menzies region .............................................. |  | | Report (edition) | | Ranges, Pilbara region, displaying folded bands of dark brown hematite, cherty quartz, and golden tiger...eye jasper from the Mount Brockman area, Pilbara region. The sphere, approximately 35 cm in diameter, contains.......................................... 34 Cue region...................................................................................... 34 Yalgoo region .................................................................................... 39 Menzies region .............................................. |  | | Journal (issue) | | Dunn Famous mineral localities: the Gold Hill mine, Tooele County, Utah .............................Kokinos & W. S. Wise The Wagon Wheel Gap fluorspar mine, Mineral County, Colorado ............................33 by B. Cairncross The Jan Coetzee copper mine, Namaqualand, South Africa .......................the opaque aggregate crystalunit. For example, a quartz grain wholly enclosed in a pyrite crystal would...using minerals of relatively constant density (quartz, topaz, fluorite, etc.). Note, however, that even |  | | Journal (issue) | | the Wessels mine, South Africa ............365 by J. Gutzmer & B. Cairncross The Parker mine, Notre Dame...water pools and scorching soil: This marvelous region (Plutonian realm) was discovered in 1847 by Mr...heaps from a coal mine. A second, similar occurrence was discovered at a coal mine near Kladno, Bohemia...features 180 specimens, individually filmed, and 35 mine location photos to illustrate the history and workings...Great Valley sequence in The Geysers-Clear Lake region of northern California. In Field Trip Guide to |
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Otjua Mine, Otjua Farm 37, Karibib Constituency, Erongo Region, Namibia