 | | Journal (issue) | | mines, Kalahari Manganese Field, Northern Cape Province, South Africa ..................................crystals on matrix, 17.2 cm, from the NâChwaning I mine, collected in 1978. Private collection and photographer...(2015â2016) Scott A. Rudolph Paradise Woods (2008â2016) John Dabney (2015â2016) Daniel J. Record Irv Brown (2009â2015)...(2016â2017) Eric D. Long Barry M. & Beth Kitt (2011â2016) John Schneider (2016) Dylan Stolowitz Steve Maslansky...com APATITE Nagar, Hunza Valley, Gilgit District, Northern Areas, Pakistan, 11.5cm. Fine Minerals International |  | | Journal (issue) | | 85741 Editor & Publisher Wendell E. Wilson Founder John Sampson White Associate Editors Pierre Bariand Sorbonne...Zeolites and associated minerals from the Palabora mine, Transvaal........................................& R. S. W. Braithwaite The Lake George antimony mine, New Brunswick ..................... 263 by W. E...Kalahari m an g an ese field, C ape Province, South Africa. (See th e article in this issue, b eg in n...d e r n M in e r a l C o l l e c t io n CURATION John Sampson White Department of Mineral Sciences Smithsonian |  | | Journal (article/letter/editorial) | | Ettringite NâChwaning II Mine, Northern Cape Province Republic of South Africa C oncrete, that manmade...NâChwaning II mine, Kalahari manganese field, Northern Cape Province, Republic of South Africa. This specimen...to 2 mm, some associated with calcite. The Clara mine, Ober Wolfach, Schwarzwald (Black Forest), Baden-WĂŒrttemberg...(1984) notes that ettringite crystals from the Clara mine may be mistaken for aragonite, and vice versa. Italy...NâChwaning II mine, Kalahari manganese field, Northern Cape Province, Republic of South Africa. Scott Rudolph |  | | Journal (article/letter/editorial) | | Olmiite NâChwaning II Mine, Kalahari Manganese Field Republic of South Africa T here was a time when...Olmiite from its type locality, the NâChwaning II mine, was initially identified as spectacular poldervaartite...MINERALS its own nearby type locality, the Wessels mine (Cairncross, Gutzmer, and Pretorius 2002). The...valuable poldervaartite specimens from the original Wessels mine discovery during the period of its supposed...continue to be recovered from the NâChwaning II mine, Guest columnist Dr. Robert B. Cook, an executive |  | | Journal (article/letter/editorial) | | Johannesburg, South Africa brucec@uj.ac.za Von bez ing ite Wessels Mine, Kalahari Manganese Field Northern Cape...Cape Province, South Africa C onnoisseurship in mineral collecting pertains to someone having a great...the type locality, the Wessels mine in the Kalahari manganese field, South Africa. It is unique to the...Bezing, a medical practitioner from Kimberley, South Africa (Cairncross 2012). Upon discovery, the species...discovery was made in 1986 in block 17 at the Wessels mine, and von Bezing obtained samples of the mineral |  | | Journal (article/letter/editorial) | | Johannesburg PO Box 524, Auckland Park 2006 Gauteng, South Africa brucec@uj.ac.za Karl-Ludwig von Bezing (b....from the Wessels mine in the Kalahari manganese field, Northern Cape Province, South Africa. Originally...bultfonteinite, calcite, gypsum, barite, and sturmanite, with sturmanite being the most abundant associated species...Austria, and his parents emigrated in 1949 to South Africa and settled on a farm close to Lydenburg in...1500 b.p. and have remained unique in southern Africa (see von Bezing and Inskeep 1966 in bibliography) |  | | Journal (article/letter/editorial) | | University RO. Box 524 AucWand Park, 2006 Gauteng, South Africa . . .*.â. Corresponding author: bc @na.rau...just south of the great Kalahari Desert on the vast plains of the Northern Cape Province of South Africa...specimens of rhodochrosite, hematite, hausmannite. sturmanite. and other species. Location The Kalahari manganese...of the Transvaal Supergroup rocks (black) in South Africa. B: Enlarged portion of Griqualand West showing...and one of the few economic centers of the Northern Cape Province. Kuruman is also the preferred home |  | | Report (issue) | | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES |  | Gu, Xiangping, Yang, Hexiong, Xie, Xiande, van Nieuwenhuizen, Jaco J., Downs, Robert T., Evans, Stanley H. (2019) Lipuite, a new manganese phyllosilicate mineral from the N'Chwaning III mine, Kalahari Manganese Fields, South Africa. Mineralogical Magazine, 83 (5) 645-654 doi:10.1180/mgm.2019.12 | Journal (article/letter/editorial) | | mineral from the NâChwaning III mine, Kalahari Manganese Fields, South Africa Xiangping Gu*1 , Hexiong Yang2...School of Geosciences and Info-Physics, Central South University, Changsha, Hunan 410083, China; 2Department...and 4Plot 968, Alheit, Kakamas 8870, Northern Cape, South Africa Abstract A new phyllosilicate mineral...NâChwaning III mine, Kalahari Manganese Fields, Northern Cape Province, Republic of South Africa. It occurs...Kalahari Manganese Fields in the North Cape Province of South Africa hosts the largest manganese resource |  | | Report (issue) | | c = 22.063(4) X-ray Powder Pattern: Wessels mine, South Africa. 3.393 (100), 3.120 (85), 3.188 (65)...87 35.07 15.02 Total 100.5 100.00 (1) Wessels mine, South Africa; by electron microprobe, average of six...azurite, sturmanite, calcite, gypsum, bultfonteinite. From the Wessels mine, near Kuruman, Cape Province...Province, South Africa. Name: To honor Karl-Ludwig von Bezing (1945â ), Austrian-South African mineral collector...O mineral from the Kalahari manganese field, South Africa. Amer. Mineral., 77, 1292â1300. All rights |  | | Journal (issue) | | Bryan K. Lees (2008) Stephen Neely (2008) Anne & Joe Ondraka (2008) Daniel Trinchillo (2008) Stuart Wilensky...Robinson Correspondents Dudley Blauwet Renato Pagano Joe Polityka Associate Photographers Jeffrey A. Scovil...Famous mineral localities: The Königskrone topaz mine, Schneckenstein, Saxony, Germany . . . . . . . ...Kalahari Manganese Field, Northern Cape Province, Republic of South Africa . . . . . . . . . 373 by R.... . . . . . . . . 350 by C. J. Stanley Founder John Sampson White Editing & Advertising 4631 Paseo Tubutama |  | | Report (issue) | | Al, Mn2+)2 (SO4 )2 [B(OH)4 ](OH)12 âą 25H2 O Sturmanite c 2001-2005 Mineral Data Publishing, version...21.79(9) X-ray Powder Pattern: Kuruman district, South Africa. 9.67 (100), 5.58 (70), 3.89 (70), 2.582...8.84 1.30 25.6 46.7 101.0 (1) Kuruman district, South Africa; by AA, B2 O3 spectrophotometrically, H2...Kuruman district, with large crystals in the Wessels and NâChwaning II mines, Cape Province, South Africa...Peacor, D.R., P.J. Dunn, and M. Duggan (1983) Sturmanite, a ferric iron, boron analogue of ettringite |  | | Journal (issue) | | het uitgestrekte mangaanertsveld in het Kuruman district, Noordelijke Kaap Provincie, Zuid-Afrika. Hedendaagse...parageneses op specimens, afkomstig uit het Kuruman district in de Republiek Zuid-Afrika. We kregen het type...uitgebaat door Associated Manganese Mines of South Africa.â Om uit de aanwezigheid van ârijkelijkâ bariet...Rock-, Wessels-, N'Chwaning I- en N'Chwaning II mijn worden samen gecatalogeerd als âWessels-typeâ mijnen...12//151 kristallen. Allen waren afkomstig uit de Wessels mijn en sommige vondsten dateerden al van 1978 |  | | Journal (article/letter/editorial) | | 2006 Johannesburg, South Africa brucec@uj.ac.za Hausmannite NâChwaning II Mine, Kalahari Manganese...Manganese Field Northern Cape Province, South Africa B lack minerals are generally not considered highly desirable...hausmannite is Ăhrenstock, Langewiesen, Ilmenau district, Thuringian Forest, Thuringia, Germany. Originally...180 years to the Kalahari manganese field in South Africa (Wilson and Dunn 1978; von Bezing et al. 1991)...on andradite, NâChwaning II mine, Kalahari manganese field, South Africa. Steve Smale specimen, Jeff |  | | Journal (article/letter/editorial) | | Afrikaans Universi& RO.Box 524, Auckland Park, 2006, South Africa. Klein Spitzkoppe topaz was first described...collector market and gem trade have been excavated by local Damara diggers. A granite quarry used to encounter...2006, South Africa. The Kalahari manganese field is located in Northern Cape Province, South Africa. It...sedimentary ore, the Mamatwan-type, named after the mine where it is exploited. This contains 20-38 weight...percent manganese metal. The other is a high-grade, Wessels-type ore with 45-60 weight percent manganese. The |  | | Journal (article/letter/editorial) | | 1403-1409 (2002) DTA, TG, AND XRD STUDIES OF STURMANITE AND ETTRINGITE SYTLE M. ANTAO Center for High...carried out on sturmanite and ettringite from the Kalahari Manganese Field, South Africa. The TG trace...trace for sturmanite, approximately Ca6(Fe3+1.5Al0.3Mn2+0.2)âș2.0{[B(OH)4]1.2(SO4)2.3}âș3.5(OH)12âą25H2O, indicates...1349°C, and the residue melts at about 1154°C. In sturmanite, a polymorphic transition occurs at about 627°C...liberation of both H2O(g) and SO3(g), whereas sturmanite melts after the liberation of H2O(g). The loss |  | | Journal (article/letter/editorial) | | MANGANESE ORES IN THE KALAHARI MANGANESE FIELD, SOUTH AFRICA VOLKERLODERS? GeoForschungsZentmm Potsdam...Fluidinclusions in hematite andhausmannite fromhigh-grade Wessels-type orefromtheKalahari manganese fieldwerestudied...thickothergangueminerals presentin Wessels-type ore are not ermost ness of about 45 m at Mamatwan mine and 4 to 8 m at appropriate...appropriate to be fluidinclusion hostminerals.Someof the mine(Fig.1). The braunitclutiteis typically microoxideminerals...microoxideminerals, whichareopaque in visiblelight,havephysi- Wessels crystalline and finely laminated. It is composed |  | Cooper, Mark A., Hawthorne, Frank C., GarcĂa-Veigas, Javier, AlcobĂ©, Xavier, Helvaci, Cahit, Grew, Edward S., Ball, Neil A. (2015) Fontarnauite, (Na,K)2(Sr,Ca)(SO4)[B5O8(OH)](H2O)2, A New Sulfate-Borate Mineral From DoÄanlar (Emet), KĂŒtahya Province, Western Anatolia, Turkey. The Canadian Mineralogist, 53 (5) 803-820 doi:10.3749/canmin.1400088 | Journal (article/letter/editorial) | | in the area to the north of the Hisarcık open-cut mine in Quaternary alluvium of the Kocaçay River. The...rock interbedded with the borate unit in the Emet district (Helvacı & Alonso 2000). Overall, the eight known...rocks. The sedimentary units of the Emet borate district consist, in ascending order, of a thin-bedded... 1983); Wessels-type manganese ore, Kalahari field, South Africa (charlesite and sturmanite, Cairncross...charlesite, and sturmanite, are members of the ettringite group, but only the structure of sturmanite has been |  | | Journal (article/letter/editorial) | | locations) can belong to one and the same ore district, massif, and formation, or can be located very...Antisirabe, Madagascar (15 times); Mooihoek, South Africa (6 times); and SareSang, Afghanistan (7 times...(Dst.) district, area; (Co.) county; (m.) mine; (Mf.) massif; (Q.) quarry; (N) north, northern latitude;...latitude; (S) south, southern latitude; (W) west, western longitude; (E) east, eastern longitude. 9 â Alsar...pallite 9 â Barberton district \(25°48`S, 31°03`E), Transvaal, South Africa \\1921trevorite (Bon Accord |  | | Book | | 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...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Book (edition) | | September 18, 2007, my Teacher, Mentor and Friend. Joe Mandarino passed away after a long battle with failing...of Minerals and the next edition of the Glossary, Joe asked me if I would be willing to take on the responsibility...9th edition of the Glossary in 2004. Unfortunately Joe passed away beforc wc could finish this collaboration...for sure if I have found all e material sent to Joe, and so, if I have missed anyone, and any other corrections... Meta/lurgical and Mineralogical Society o/ South Africa Journal of Chemical Phy ics Journal cif the |  | | Book | | Pollok et al., 2011; Putnis, 2002, 2009b; Putnis and John, 2010; Putnis and Mezger, 2004; Xia et al., 2009a)...the only source of Ca2ĂŸ, which would produce a local supersaturation at the fluidemineral interface,...dissolutioneprecipitation, hydraulic fracturing due to local fluid pressure gradients), mostly involving stresses...mediated dissolutioneprecipitation process as well as local isolation of fluid pockets from the external fluid...experiments) the replacement reaction produces local variations in the composition of the bulk fluid |  | | Journal (issue) | | the Mineralogical Societies of New South Wales, Queensland, South Australia, Tasmania and Victoria Volume...Some mines of the Mt Isa District, Queensland Part 3 - The Mount Oxide mine ............ B. Day & B....England The Francis Collection A. Pring 21 Post mine sulphates from Teutonic Bore base metal deposit...Book reviews 2 29 Mineral news from Southern Africa ......... 32 Society news ........... ...........Sabine's Shaft, Mount Bonnie mine. 44 km north-west of Pine Creek. Northern Territory. The specimen is |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...ct RIGHT: Round brilliant-cut white diamonds, South Africa and Canada « 2.00 ct and 3.06 ct leaves the...are made almost entirely of iron and example in northern Quebec. It was the Royal Ontario Museum's Victor...for cutting other minerals. Tale, Mpumalanga, South Africa * 19 x 6 x 83cm Hardness 1 Hardness 4 Talc...Hardness 10 Quartz Diamond Diamond, Kimberley, South Africa * 0.5 x 0.5 x 0.5 cm | 19 MINERALS: PRODUCTS |  | | Journal (issue) | | Chandle r 270-273 Mine (Raymond, New Hampshire, USA ) 263-269 Minerals of the Chandler Mine, a zoned lithium-rich...type-vindplaats is de N'Chwaning mine bij Hotazel i n het Kuruman District, Noordelijke Kaapprovincie, Republie...produktie : Gloria Mine , Black Rock Mine, Wessels Mine en uiteraard N`Chwaning Mine . Er is ook mangaanwinning...mangaanwinning in dagbouw in de Wessels open pi t mine . In de zeventiger jaren stond dit gebied in volle...Bipyramidale sturmanietkristallen van de N ` Chwaning mine , bij Hotazel, Zuid-Afrika . Beeldbreedte ongeveer |
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Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa