 | | Book | | GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published by Struik...resources 12 Burundi 13 Kenya 14 Rwanda 16 Tanzania 17 Uganda 20 Gemological properties 21 A to...through Tanzania, Kenya, Ethiopia and into the Sudan - has blessed East Africa, Kenya and Tanzania, with...starting in what was then Tanganyika ( now mainland Tanzania) and then progressing to Kenya - I am proud to...countries are among the finest in the world. The region and its gems are particularly dear to my family |  | | Catalog/List | | SignatureÂŽ Internet Session 2 Heritage Auctions Design District Annex 1518 Slocum Street ⢠Dallas, TX 75207 (HERITAGELive...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...Azurite Level 8, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia If the attachment point on the back of |  | | Journal (article/letter/editorial) | | orange-yellow rounded rutile, and metallic luster hematite. between Natural and Heat-Treated Tanzanite:...called tanzanite. Until now, the Merelani area in northeastern Tanzania is the only producer of gem-quality...Antarctica to East Africa, and enters the ArabianâNubian region, which was formed by a series of tectonic and metamorphic...such as green tremolite, xenotime, rutile, and hematite can be found [13â15]. Another rare and interesting...found, including dolomite, molybdenite, prehnite, hematite and rutile. Dolomite inclusions, which are often |  | | Book | | gemological wealth of East Africa. This unique region encompasses ¡what may be the world's richest gem...gemologist and geologist, Dr. Peter Keller. Kenya and Tanzania are revealed in their full mineralogical splendor...chrome tourmaline are widely identified with the region. ( continuedon backflap) ⌠⌠⌠⌠⌠~...Conclusion 11 Chapter 2. Diamond Deposits of Tanzania 15 Location 16 Geology 18 Mining 20 Properties...Northern Province, Tanzania 28 Ruby and Sapphire from Umba, Tanga Province, Tanzania 32 Sapphire from Kenya |  | | Catalog/List | | Pink Fluorite on Muscovite, Chumar Bakhoor, Nagar District, Gilgit-Baltistan, Pakistan 9 cm tall x 7 cm wide...primarily sourced from the ancient mines of the Ural Mountains. Today, the very finest come from China and the...Tanzanite has only been found in one place on earthâTanzania. It is a rare and coveted gemstone. Tanzanite...Tanzanite, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania 12 cm tall...inclusions, amethyst intermixed with citrine, red hematite, more green celadonite, then amethyst again, and |  | | Journal (article/letter/editorial) | | â 5.6 cm tall, Alchori, Shigar Valley, Skardu district, GilgitBaltistan, Pakistan. Private collection...syenite pegmatites in the Imilchil area, High Altas Mountains, Morocco (Jahn et al. 2003); the Alpine clefts...Rural City, Victoria Aberfoyle mine, Rossarden district, Tasmania Complex metamorphosed sedimentary exhalative...ParaĂba: e.g., Sapo mine, Ferruginha; Golconda district, Governador Valadares; LinĂłpolis, Divino das...Sebastopol Township Rapid Creek, Dawson mining district, Yukon Territory Sceptre claims, Emerald Lake |  | | Journal (article/letter/editorial) | | Africa; Marshall Sussman specimen. Figure 7. Hematite, 4.2 cm high, NâChwaning II mine, Kalahari Manganese...azurite, 4.9 cm high, Tsumeb mine, Tsumeb, Otijikoto region, Namibia; Scott Rudolph specimen. Downloaded...diggings, Bendougou, Arrondissement, Diako, Kayes region, Mali; Demetrius Pohl specimen. Figure 13. Elbaite...18. Aegirine, 14.1 cm high, Mount Malosa, Zomba district, Malawi; Scott Rudolph specimen. Figure 16. Rosasite...duftite, 6.2 cm high, Tsumeb mine, Tsumeb, Otjikoto region, Namibia; Scott Rudolph specimen. Figure 17. Metatorbernite |  | | Journal (issue) | | (5) Chrysoberyl, 2.3 cm, from Takovaya, Ural Mountains, Russia. (6) Chalcocite, 2.5 cm, from Cornwall...Miask, Ural Mountains, Russia. (8) Pyrargyrite, 1.8 cm, from St. Andreasberg, Harz Mountains, Germany....cm, from Gerensegen, Schwarzwald, Germany. (10) Hematite âiron rose,â 3 cm, from St. Gotthard, Switzerland...Dyscrasite twin, 1.9 cm, from St. Andreasberg, Harz Mountains, Germany. (3) Glaucodot twin, 2.5 cm, from HĂĽkansboda...Harz Mountains, Germany. (5) Elbaite, 2.5 cm, from Sarapulka, 12 km from Mursinka, Ural Mountains, Russia |  | Giuliani, G., Ohnenstetter, D., Palhol, F., Feneyrol, J., Boutroy, E., De Boissezon, H., Lhomme, T. (2008) KARELIANITE AND VANADIAN PHLOGOPITE FROM THE MERELANI HILLS GEM ZOISITE DEPOSITS, TANZANIA. The Canadian Mineralogist, 46 (5) 1183-1194 doi:10.3749/canmin.46.5.1183 | Journal (article/letter/editorial) | | VANADIAN PHLOGOPITE FROM THE MERELANI HILLS GEM ZOISITE DEPOSITS, TANZANIA Gaston GIULIANI§ IRD (Institut...Abstract The Merelani deposits of gem-quality vanadian zoisite (âtanzaniteâ) in Tanzania occur in Proterozoic...phlogopite, tanzanite, graphitic gneiss, Merelani, Mozambique Belt, Tanzania. Sommaire Les gisements de gemmes...gemmes de zoĂŻsite vanadifère (âtanzaniteâ) de Merelani, en Tanzanie, sont contenus dans des sĂŠries protĂŠrozoĂŻques...phlogopite vanadifère, tanzanite, gneiss graphiteux, Merelani, ceinture Mozambicaine, Tanzanie. § E-mail addresses: |  | | Book (volume) | | Morganite) (Red Beryl) Harris Claim, Wah Wah Mountains, Utah, 4 Bournonite (on Quartz) Yaoganxian Mine...(on Calcite) Tsumeb, Namibia, 34 Ettringite (on Hematite) N'Chwaning II Mine, N. Cape Prov., S. Africa...Chifeng Prefecture, Inner Mongolia, China, 66 Hematite (with Rutile) Ambatofinandrahana, Fianarantsoa... Bahia, Brazil, 22 Cavradi Gorge, St. Gotthard Region, Graubunden, Switzerland, 49 Hyalophane Zagradski...Shattuckite), Omaue Mine, Kaokoveld Plateau, Kunene region, Namibia, 17 Mimetite Congreso-Leon Mine, San Pedro |  | | Journal (article/letter/editorial) | | a new mineral from the Tintic District, Utah, and the Masonic District, California, USA. Canadian Mineralogist...mines: Carisa, Boss Tweed, or Red Rose), Tintic district, Juab Co., Utah, U.S.A. It was later also discovered...the town of Bodie in the Bodie Hills volcanic field, Masonic district, Mono Co., California, U.S.A. The...for its type locality. The mines of the Tintic district exploited polymetallic (Au-Ag-Cu-Pb) vein deposits...3 groups). All spectra were featureless in the region from 4000 to 1200 indicating no evidence of OHâ |  | Feneyrol, J., Ohnenstetter, D., Giuliani, G., Fallick, A. E., Rollion-Bard, C., Robert, J.-L., Malisa, E. P. (2012) EVIDENCE OF EVAPORITES IN THE GENESIS OF THE VANADIAN GROSSULAR 'TSAVORITE' DEPOSIT IN NAMALULU, TANZANIA. The Canadian Mineralogist, 50 (3) 745-769 doi:10.3749/canmin.50.3.745 | Journal (article/letter/editorial) | | VANADIAN GROSSULAR âTSAVORITEâ DEPOSIT IN NAMALULU, TANZANIA Julien FENEYROL and Daniel OHNENSTETTER§ UniversitĂŠ...Dar-es-Salaam, P.O. Box 35052, Dar-es-Salaam, Tanzania Abstract The Namalulu tsavorite (vanadian grossular...up to 0.80 wt.% V2O3) deposit in northeastern Tanzania occurs in metasomatized graphitic gneiss overlain...kbar and 630 Âą 30 °C. Keywords: Mozambique Belt, Tanzania, Namalulu, tsavorite, vanadian mineralization...Suwa et al. 1996), northeastern and southeastern Tanzania (Bridges 1974, Malisa 1987, Malisa & Muhongo 1990 |  | | Show/Event (guide) | | Tucson, AZ 85705 in the center of the Mineral District. The mineralogy section of the mim today hosts...zoisite). Merelani mines, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania...Väyrynenite. Lolu Dahku mine, Roundu Valley, Skardu District, Gilgit-Baltistan, Pakistan. 14.5 x 3 x 2 cm,...Stibiotantalite. Urandu mine, Shigar Valley, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan,...photo Calcite twin, Guangxi Zhuang Autonomous Region, China. 10.5 x 7.5 x 7 cm, mim specimen #1151: |  | | Journal (article/letter/editorial) | | the natural, inorganic solid material (that is, mountains, rocks, stones, and metals). âTake, for example...Ă 7.5 cm, Kombat mine, Grootfontein district, Otjozondjupa Region, Namibia; Augustin de Valence photo...aquamarine, 22 Ă 27 Ă 25 cm, Shigar Valley, Skardu district, Baltistan, Gilgit-Baltistan, Pakistan; Alessandro...tanzanite, 14.5 Ă 3.5 Ă 5.5 cm, Merelani Hills, Arusha, Simanjiro district, Tanzania; James Elliot/Fine Minerals...cm, Mibladen mining district, Midelt, KhĂŠnifra Province, Meknès-Tafilalet Region, Morocco; James Elliot/Fine |  | | Catalog/List | | 10:00 AM â 5:00 PM CT Heritage Auctions Design District Annex 1518 Slocum Street ⢠Dallas, TX 75207 Session...5:00 PM ET LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street ⢠Dallas, TX 75207 Thursday...grow. 73001 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) Looking almost like...com/6150 73002 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) For those that have...750 73003 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) As if Momeik doesnât |  | | Journal (issue) | | on a mountain-climbing vacation in the remote mountains of Patagonia, the authors stumbled upon a remarkable...South American region known as Patagonia, a barren tableland between the Andes Mountains and the Atlantic...recent years only the spectacular pseudomorphs of hematite after magnetite from the Altiplano de Payun Matru...called âthe Pampasââa very rugged and windswept region which nevertheless is home to various flora and...condor, seen mainly amidst the craggy peaks of the mountains. The condor, with a body length of over a meter |  | | Journal (article/letter/editorial) | | silicate rock at the type locality Merelani Hills, south of Arusha, Tanzania (Jobbins et al. 1975); albite...Institute of Chemical Technology, Praha in the spectral region from 400 to 4000 cm â1 in a KBr tablet. Results...Bli nĂĄ (NovĂĄk â unpubl. data) and from Merelani Hills, Tanzania (Jobbins et al. 1975), respectively, but...Disregarding magnesioaxinite from the type locality Merelani Hills with Mg = 1.92, Fe = 0.00 and Mn = 0.07 apfu...Luning, Nevada has the association tourmaline, hematite, prehnite, zoisite â clinozoisite, epidote, actinolite |  | | Catalog/List | | Design District Showroom 1518 Slocum Street ⢠Dallas, TX 75207 Heritage Auctions Design District Showroom...Board Hayley Brigham Managing Director Beverly Hills Greg Rohan President Alissa Ford Managing Director...cushion shaped âRed Emeraldâ from the Wah Wah Mountains in Utah which happens to the be the only known...72013 Gemstone: Demantoid Garnet - 1.12 Cts. Ural Mountains, Russia At just over a carat, this gemstone is...- 11.91 Ct. Tubussis Farm 22, Karibib District, Erongo Region, Namibia Andradite Garnet is present in |  | | Journal (issue) | | of Aurora Gems; (6) a 9.15 ct ruby from Winza, Tanzania, courtesy of Hakimi & Sons; (7) a 14.80 ct âgoldenâ...were combined under the jurisdiction of the U.S. District Court of New Jersey 168 PRODUCTION AND MARKETS...Africa, and its interest in the Williamson mine of Tanzania. Soon after the Cullinan deal went though (July...Weldon, 2009). One new source of corundum, Winza in Tanzania, began yielding some fine-quality ruby in 2007...with the opening of a new mine in the Nova Era region and technological developments at established mines |  | | Catalog/List | | Design District Showroom 1518 Slocum Street ⢠Dallas, TX 75207 Heritage Auctions Design District Showroom...York Hayley Brigham Managing Director Beverly Hills Ed Beardsley Craig Kissick Jenny Milani Vice... 72019 Hematite âRoseâ Sopa, Diamantina Minas Gerais Brazil This is a solid example of Hematite âroseâ... Carthage Central Tennessee BaâFâPbâZn Mining District Smith Co., Tennessee, USA Fluorite from Elmwood...500 72034 Chrysocolla Sphere Clifton Morenci District Greenlee County Arizona, USA This vibrant sphere |  | | Book (volume) | | 48 Cumengeite Amelia Mine, Santa RosalĂa, Boleo District, Baja California Sur, Mexico, 66 Diaspore Amatolia...Gwindel) Cavradi, St. Gotthard, Switzerland, 27 (with Hematite inclusions) Tamilnadu, India, 43 Realgar (with...Taquaral, Minas Gerais, Brazil, 45 Rutile (with Hematite) Bahia, Brazil, 19 Scheelite Xuebaoding Mine,...Pakistan, 4 Tanzanite (with Quartz) Merelani Hills, Arusha, Tanzania, 59 Topaz Alabashka, Mursinka, Ural |  | | Journal (article/letter/editorial) | | in the mines of its Keweenaw Peninsula and the hematite, goethite, and other minerals from its iron districts...elements as uranium, vanadium, and mercury in a region ruled by Precambrian copper and iron deposits....locality with similar mercury minerals. The Terlingua district is famous for its rare mercury minerals, for nine...geological uniqueness among the famous copper district to the north and powerhouse iron districts to...85.48 11.41 0 0.6816 â 97.91 with chalcopyrite, hematite, and sericMinimum detection limits are 0.074 wt% |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Showroom 1518 Slocum Street ⢠Dallas, TX 75207...17656. LOT VIEWING Heritage Auctions Design District Showroom 1518 Slocum Street ⢠Dallas, TX 75207...sky seemed ablaze above Siberiaâs Sikhote-Alin Mountains. This frightening vision was accompanied by terrifying...Meteorite Slice Iron - IAB Complex Novosibirsk Region, Russia - (54° 20âN, 84°12âE) The find of the Maslyanino...Meteorite occurred on May 25, 1992 in the Novosibirsk Region of Russia, when an agronomist discovered a 26 kg |  | | Journal (article/letter/editorial) | | University. Images of minerals from the Merelani Hills of northern Tanzania, including the one shown of merelaniite...are some questionable species: tiny ktenasite, hematite, magnetite, tenorite or chalcophanite, tiny blue |  | | Catalog/List | | Design District Showroom 1518 Slocum Street ⢠Dallas, TX 75207 Heritage Auctions Design District Showroom...York Hayley Brigham Managing Director Beverly Hills Jim Halperin Co-Chairman of the Board Ed Beardsley...Otjisongati) Ogonja (Onganja), Seeis, Windhoek District, Khomas Region Namibia This faceted Cuprite is from a...Otjisongati) Ogonja (Onganja), Seeis, Windhoek District, Khomas Region Namibia This colossal Cuprite gemstone...- 11.94 Cts. Sweet Home Mine Mount Bross, Alma District, Park Co. Colorado, USA This adorable pink-red |
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