 | Moore, John M., Kuhn, Barbara K., Mark, Darren F., Tsikos, Harilaos (2011) A sugilite-bearing assemblage from the Wolhaarkop breccia, Bruce iron-ore mine, South Africa: Evidence for alkali metasomatism and 40Ar-39Ar dating. European Journal of Mineralogy, 23 (4) 661-673 doi:10.1127/0935-1221/2011/0023-2117 | Journal (article/letter/editorial) | | breccia, Bruce iron-ore mine, South Africa: Evidence for alkali metasomatism and 40Ar-39Ar dating JOHN M. MOORE1...Geology, Rhodes University, Grahamstown 6140, South Africa *Corresponding author, e-mail: h.tsikos@ru.ac...chert breccia at the Bruce iron-ore mine, Northern Cape Province, South Africa. The upper portion of...of the breccia is dominated by braunite, albite, K-feldspar and aegirine, and locally hosts irregular-shaped...that comprises tabular serandite [NaMn2Si3O8(OH)], albite, K-feldspar and lesser granular sugilite. The cores |  | | Journal (issue) | | Harold & Erica Van Pelt rystal Classics Ian Bruce Somerset, England Tel: +44 1935 479822 Website:...Ward (2009) Dave Waisman (2009) Jim Gibbs (2009) Bruce J. Oreck (2009) Diana & Dan Weinrich (2009) Herb...Articles Famous mineral localities: The Sapo mine, Ferruginha district, Conselheiro Pena, Minas Gerais, Brazil...Menezes Famous mineral localities: The Lac dâAmiante mine, Black Lake, Thetford Mines, QuĂ©bec . . . . ...Bonin Fluorite from Riemvasmaak, Northern Cape Province, South Africa . . . . . . . . . . . |  | | Journal (issue) | | Euclase, 2.3 cm, from the GachalĂĄ mine, GuaviĂł-GuatĂ©que mining district, BoyacĂĄ Department, Colombia. Gail...cm, from Stak Nala, Haramosh Mountains, Skardu district, Gilgit-Baltistan, Pakistan. Zach Goodman collection;...Budd photo. Tanzanite, 7.6 cm, from the Merelani mine near Arusha, Tanzania. Barry & Beth Kitt collection;...Fluorite on quartz, 13 cm, from the Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. The...Spodumene (variety kunzite), 9 cm, from the Urucum mine, GalilĂ©ia, Minas Gerais, Brazil. Gus & Jane Eifler |  | | Show/Event (guide) | | private appointments Topaz, Cleavelandite Mokrush Mine, Russia Thomas Spann Photo 2 3 CONTENTS 06...Tucson, AZ 85705 in the center of the Mineral District. The mineralogy section of the mim today hosts...Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania. 14.5 x 5.5 x 3.5 cm...Swoboda. 12 VĂ€yrynenite. Lolu Dahku mine, Roundu Valley, Skardu District, Gilgit-Baltistan, Pakistan. 14...Stibiotantalite. Urandu mine, Shigar Valley, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan, |  | | Journal (issue) | | v/Dec2023 1. 98, No.6 - - - - - - - - ROCKS & MINE $12.95US $12.95CAN IIUJ ., . vww.tandfonlirie...tandfonlirie .com/vram MIM MUSEUM Vesuvianite Jeffrey Mine. Val-des-Sources. Les Sources RCM, Es t rie, Quebec...Carl A. Francis Maine Mineral & Gem Museum, ME John Rakovan New Mexico Institute of Mining & Technology...Natural Science, TX Bruce Cairncross, University of Johannesburg, South Africa Steven C. Chamberlain...edition for any number of concurrent users across a local area network. Subscription offices: USA/North America: |  | | Journal (issue) | | .433 by T. P. Moore COVER: TITANITE twin with albite and epidote on matrix, 4.4 cm, from Capelinha,...Family (2014â2021) Dave and Kathy Waisman (2014â2021) John Dabney (2015â2022) Jeff Kremer (2015â2021) Dan and...Alex & Laura Schauss Drs. Douglas & Diane Ervin Bruce Carter Brian & Brett Kosnar & Family Barry M. &...Gleckler (2020â2022) Jim and Imelda Klein (2021â2022) John Lucking (2020â2021) Alyssa Donovan (2020â2022) ...(2021) Noel De Dora (2021) Sean P. Sweeney (2021) John C. Medici (2021) Jim Gibbs (2021) Evan and Melissa |  | Fairey, Brenton J., Timmerman, Martin J., Sudo, Masafumi, Tsikos, Harilaos (2019) The Role of Hydrothermal Activity in the Formation of Karst-Hosted Manganese Deposits of the Postmasburg Mn Field, Northern Cape Province, South Africa. Minerals, 9 (7) 408 doi:10.3390/min9070408 | Journal (article/letter/editorial) | | Deposits of the Postmasburg Mn Field, Northern Cape Province, South Africa Brenton J. Fairey 1,â , Martin J...Geology, Rhodes University, Grahamstown 6139, South Africa Correspondence: h.tsikos@ru.ac.za Current address:...Postmasburg Manganese Field (PMF), Northern Cape Province, South Africa, once represented one of the largest...and Ba-bearing minerals, particularly aegirine, albite, microcline, banalsite, sĂ©randite-pectolite, paragonite...Postmasburg manganese field; hydrothermal; karst; South Africa Minerals 2019, 9, 408; doi:10.3390/min9070408 |  | | Journal (issue) | | . . . . 487 Librarian Curtis P. Schuh Founder John Sampson White Editing, advertising 4631 Paseo Tubutama...Erongo Mountains, Namibia. Desmond Sacco collection; Bruce Cairncross photo. The Mineralogical Record (ISSN...important assignment at the Shinkolobwe uranium mine. His supervisor was Johannes Vaes (1902â1978). Gilbert...Southern Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded...with his fabulous cuprites from the Mashamba West mine, Gilbert only hinted to a few people of his treasures |  | | Report (issue) | | things here from the famous Little Three mine, Ramona district, San Diego County, California, the star...topaz: Topaz, 6 cm, from the Little Three mine, Ramona district, San Diego County, California. Ex Bryant...elbaite, morganite and aquamarine beryl, spessartine, albite, microclineâŠeven axinite and hambergite, all from...impressive: Axinite, 5 cm, from the Little Three mine, Ramona district, San Diego County, California. Ex Bryant...the Pala district, San Diego County, especially from the Stewart mine. And from the Himalaya mine, Mesa |  | Costin, Gelu, Fairey, Brenton, Tsikos, Harilaos, Gucsik, Arnold (2015) Tokyoite, As-Rich Tokyoite, and NoĂ©lbensonite: New Occurrences From the Postmasburg Manganese Field, Northern Cape Province, South Africa. The Canadian Mineralogist, 53 (6) 981-990 doi:10.3749/canmin.1500063 | Journal (article/letter/editorial) | | THE POSTMASBURG MANGANESE FIELD, NORTHERN CAPE PROVINCE, SOUTH AFRICA GELU COSTIN Department of Geology...Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa Department of Earth Science, MS-126 Rice University...Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa ARNOLD GUCSIK Department of Geology, University...University of Johannesburg, Johannesburg, South Africa ABSTRACT Samples of manganese-rich rock containing...from the Postmasburg area in the Northern Cape Province of South Africa. The samples consist of ïŹne-grained |  | | Journal (article/letter/editorial) | | CONNOISSEUR'S CHOICE BRUCE CAIRNCROSS Downloaded by [UNIVERSITY OF ADELAIDE LIBRARIES] at 04:38 13 October...Johannesburg, South Africa brucec@uj.ac.za SUGILITE Wessels Mine, Kalahari Manganese Field Northern Cape Province...Province, South Africa P urple is a relatively uncommon color in the mineral world, and one of the most...Kalahari manganese field in South Africa and in one mine in particular, the Wessels mine (Dixon 1985). If it...it were not for the South African deposits, sugilite would be considered a rare mineral. Sugilite, KNa(Fe2+ |  | | Journal (issue) | | collection, page 11. (rniddle colurnn) Fluorite-Bruce and Marcia Friedman collection, page 105; Brown...Jane Eifler Rick & Sharrie Ely Doug & Maria Fiske Bruce & Marcia Friedman Jim Gibbs The Goldfine/Deitsch-Perez...Foote also made several collecting visits to the mine in 1890-1891, and brought back many good specimens...chemist and physicist). In 1895 Niven purchased the mine from its owner, on behalf of Thomas Edison. In the...dozen mines were opened, one of which (the Mariposa mine) produced a wider variety of mercury minerals than |  | | Journal (article/letter/editorial) | | VallĂ©e-du-Richelieu Regional County Municipality MontĂ©rĂ©gie QuĂ©bec, Canada A s Bruce Cairncross (2018, p. 271)...Saint-Hilaire (La VallĂ©e-du-Richelieu Regional County Municipality [RCM], QuĂ©bec, Canada), one of the Quintin Wight...on the additional presence of aegirine, augite, albite, arfvedentire floor of the quarry down one level...rush. Among the early arrivals was a very capable local collector, Jacques Bradley, who assembled a large...LĂĄszlĂł HorvĂĄth. I also thank Malcolm Southwood and Bruce Cairncross for reviewing the text and William Besse |  | | Journal (issue) | | M ontreal Mine! L L The Mineralogical Record MAYâJUNE 2020 âą VOLUME 51 âą NUMBER 3 âą $25 & Wayne...gemgypsy@bellsouth.net MAYâJUNE 2020 Articles The Montreal mine, Iron County, Wisconsin ........................... 487 COVER: BARITE, 6.5 cm, from the Montreal mine. David and Karen DeBruin collection, ex Muscatine...Davis (2010â2019) Barry M. & Beth Kitt (2011â2019) Bruce Carter (2012â2020) Wally Mann (2012â2019) George...Trust (2015â2019) Herb & Monika Obodda (2015â2019) John Dabney (2015â2019) Jeff Kremer (2015â2019) Dan and |  | | Report (issue) | | Alexander Falster Page 28 New England Gem Beryl Bruce Jarnot Page 16 Bazzite of the Alps Stefan Weiss...Australia Dermot Henry Page 78 Beryl from Southern Africa Bruce Cairncross Page 84 Brazilian Beryl Luiz Menezes...Alexander Falster Page 100 Grading and Pricing Gem Beryl John Bradshaw Page 102 Element Beryllium Lee Van Iderstine...and "aeroides" for pale blue beryl. According to John Sinkankas, who literally wrote the book on beryl...crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters |  | | Journal (issue) | | FLUORffE Tue largest crystal measures 3 cm Heights mine, Weardale, County Durham, England. Stuart Strife...photo Backcover: (upper left) Elbaite, 4.5 cm, Sapo mine, Goiabeira, Minas Gerais, Brazil; Gus Eitler collection;...rnain driving elements that were present in the local area. One of these was the influence of the Houston...Rhodochrosite, 11.5 cm, Good Luck pocket, Sweet Horne mine, Alma, Colorado. Ex Steve Smale collection. Joe...2009 RICHARDSON BEARD COLLECTION cleavelandite albite/ 14.5 cm, PaprJJtNuristan, Afgha ·stan. Ex Steve |  | | Journal (article/letter/editorial) | | BRUCE CAIRNCROSS Department of Geology University of Johannesburg PO Box 524, Auckland Park 2006 Gauteng...Gauteng, South Africa brucec@uj.ac.za ALLAN FRASER PO Box 369 Fourways 2055 Gauteng, South Africa mineralman@telkomsa...Kingston"] at 08:22 13 August 2013 Rosh Pinah LEAD-ZINC MINE Figure 1 (above). Transparent yellow barite crystals...Sacco specimen, Bruce Cairncross photo. Figure 2 (below). General view of the Rosh Pinah mine (foreground)...Kingston"] at 08:22 13 August 2013 he Rosh Pinah mine is located in southern Namibia, 20 kilometers north |  | | Report (issue) | | Occurrences east of Sudbury Falcon Mine Wanup quarry Elizabeth Mine Wahnapitei occurrences MacDonald occurrence...quarry Vermilion River placer deposits Moose Mountain Mine Nickel-copper mines west of Sudbury High Falls Road...occurrence McMillan Mine Wallace Mine Sheguiandah quarry Shakespeare Mine Massey Mine Hermina Mine Elliot Lake...Bi-Ore Mine Pater Mine Pronto Mine Jasper conglomerate occurrences, Highway 546 Glagoma Mine Cheney Mine...Mine Gould Mine Havilah Mine Rock Lake Mine Bruce Mines copper mines Stobie Mine Jasper conglomerate |  | | Journal (article/letter/editorial) | | Lights S Fluorescent Minerals from Southern Africa outhern Africa is defined here in a somewhat broad geographical...countries south of the Equator. Some famous mineral localities are known to produce BRUCE CAIRNCROSS...Johannesburg 2006, South Africa brucec@uj.ac.za Unless otherwise noted, all photos by Bruce Cairncross of...Namibia and the Kalahari manganese field in South Africa. There are a few other not-so-well-known mineral-producing...for the first time. Examples are from Namibia, South Africa, Zimbabwe, and Tanzania. All the fluorescent |  | | Journal (issue) | | Davis (2010â2019) Barry M. & Beth Kitt (2011â2019) Bruce Carter (2012â2020) Wally Mann (2012â2019) George...Trust (2015â2019) Herb & Monika Obodda (2015â2019) John Dabney (2015â2020) Jeff Kremer (2015â2020) Dan and...Mineral Services, LLC (2019â2020) John C. Medici (2019) Ian and Diana Bruce (2019â2020) Marc and Janis Countiss...Anthony Gleckler (2020) Jim and Imelda Klein (2020) John Lucking (2020) Alyssa Donovan (2020) Marilyn Lang...and Smelting Company of British Columbia, and the Mine and Exploration Division of the Canadian Forestry |  | | Journal (volume) | | Banded Iron Formation-Hosted Hematite Ore Deposits John G. McLellan and Nicholas H. S. Oliver 185 Part...Warren Thorne, Steffen Hagemann, Adam Webb, and John Clout v 197 Chapter 9: The Itabirites of the...Approach to the Sishen South Iron Ore Deposit, Northern Cape Province, South Africa, and Its Implication...Deposit, Simandou Range, Republic of Guinea, West Africa I. L. Cope, J. J. Wilkinson, A. J. Boyce, J. B...ore exploration project in the Northern Cape province of South Africa. He completed his B.Sc. (Hons) |  | | 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)...(2011â2016) John Schneider (2016) Dylan Stolowitz Steve Maslansky (2010â2016) Steven M. Goldfine & Bruce Carter...com APATITE Nagar, Hunza Valley, Gilgit District, Northern Areas, Pakistan, 11.5cm. Fine Minerals International |  | | Journal (issue) | | stock certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This...Clark Colorado School of Mines Geology Museum, Bruce Geiler curator Lou & Diana Conti Denver Museum ofNature...localities like the Sweet Horne mine, Breckenridge, Mount Antero, the Sunnyside mine, Creede, Cripple Creek,... Farne Museum in Leadville, the Cripple Creek District Museum, and the Western Museum of Mining and Industry...shared for the minerals of Colorado. Collectors John Aiden Smith (1830-1896) built what may have been |  | | Journal (issue) | | Acanthite with silver, 2.6 cm, from the Uchucchacua mine, Peru; Allan Young collection and photo. Amethyst...Mesolite, 5.1 cm, from the F-Line quarry, Washington; John Cornish collection. Elbaite, 7 cm, from Laghman...Scott Ankerbrand (OR) Bruce Carter (OR) Tom Cooper (AK) John Cornish (WA) John Dagenais (BC) Bill & Diana...drew more than 30,000 prospectors, and even the local indigenous population got involved.* Immigration...early days have been preserved as specimens. *The local tribes had no access to lead. So when American and |  | | Report (issue) | | 6 cm, from the Anjanabonoina pegmatite, Betafo district, Antananarivo Province, Madagascar. Mineral Classics...among the most cherished products of the Ojuela mine at MapimĂ, Durango, Mexico: of the several styles...styles of âoldâ fluorite specimens from the great mine, the best known shows deep purple, transparent, cubo-dodecahedral...beginning around 2008, fresh ore exploitation in deep mine levels has yielded beautiful groups of gemmy, lustrous...13 excellent fluorite miniatures from the Ojuela mine, nine ânewâ and 4 âold,â the âoldâ showing typical |
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