 | | Report (issue) | | United States of America PHOTO CREDITS Cover: Quartz variety amethyst, 10.5 cm tall Goboboseb Mountains...collection, Robert Weldon photo © 2009 GIA Page 2 Quartz variety amethyst, 3.5 cm tall Kakamunurle Mine...collection, Marie-Lan Nguyen photo Upper middle: Quartz variety amethyst (Japan-law twin), 1.6 cm tall...Zillertal Anton Watzl, Sr. photo, circa 2004 Bottom: Quartz variety amethyst, 6.7 cm tall Wattika Mine, Murzinka...the word "amethyst" refers to macrocrystalline quartz that is violet or purple and is derived from the |  | | Journal (issue) | | ...................... 3 The Many Varieties of Quartz ................................................................................. 5 Meet the Quartz Family .............................................American Federation of Mineralogical Societies & South Central Federation of Mineral Societies. All meetings...Varieties of Quartz by Denise Bicknell Member of the Houston Gem & Mineral Society he mineral quartz, SiO2...wide assortment of varietal names, nicknames, and local names have been used to distinguish between these |  | | Journal (article/letter/editorial) | | University of the Witwatersrand, Johannesburg, 2050, South Africa Current address: Department of Geology, Rand...Box 524, Auckland Park, Johannesburg, 2006, South Africa e-mail: glgy13@na.rau.ac.za L.J. Robb EGRI-HAL...2050, South Africa e-mail: robblj@geosciences.wits.ac.za © 2004 Geological Society of South Africa ABSTRACT... Located in the central northeast region of South Africa, north of Pretoria (Figure 1), the Complex is...southeastern lobe of the Bushveld Complex northeast of SOUTH AFRICAN JOURNAL OF GEOLOGY, 2004, VOLUME 107 PAGE |  | | Journal (article/letter/editorial) | | Johannesburg PO Box 524, Auckland Park 2006 Gauteng, South Africa brucec@uj.ac.za All photos by author Figure...photographing some fine mineral specimens from various South African mineral collections. These include private...Namibia and the Kalahari manganese field in South Africa are still producing mineral specimens. The N’Chwaning...Riemvasmaak in the Northern Cape Province of South Africa; Balayer is also mining for fluorite at this...fluorite mine located northeast of Pretoria, South Africa (see Cairncross et al. 2008). In fact, goethite |  | Cook, Robert B. (2017) Microminerals of the Bushveld Complex, South Africa by Maria T. Atanasova, Bruce Cairncross, and Wolfgang R. Windisch. Council for Geoscience, 280 Pretoria St., Silverton, Private Mail Bag 112, Pretoria 0001, South Africa; www.geoscience.org.za. 437 pages; 2016; R1,000 (US $74) plus shipping and handling (hardbound). Rocks & Minerals, 92 (3) 293 doi:10.1080/00357529.2017.1283666 | Journal (article/letter/editorial) | | 2017 Microminerals of the Bushveld Complex, South Africa by Maria T. Atanasova, Bruce Cairncross, and...Silverton, Private Mail Bag 112, Pretoria 0001, South Africa; www. geoscience.org.za. 437 pages; 2016; R1...techniques, and over twenty minerals new to South Africa were identified during research for the text...these two, are descriptions of the famous Boekenhouthoek quartz locality, the Buffalo fluorite mine, the...index. Microminerals of the Bushveld Complex, South Africa is a good presentation of the collector micromineralogy |  | | Journal (issue) | | Collector Interview series we interview well known South African collector Bruce Cairncross. Bruce is a professor...town or, worse, the name of the town in which the local mineral dealer who handles the material happens...an opportunity to make money well in excess of local wages. Not surprisingly then, fights are quite common...to most Westerners, lies 285 km away to the west-south-west. Momin Akhada is lo- “DISCO BALLS” FROM MOMIN...and old wells and quarries, or perhaps smaller local dealers, who bring new finds or information to the |  | | Journal (issue) | | from the Blanchard mine group, Honsonburg mining district, Socorro County, New Mexico, USA 390-399 Carletonville...Carletonville gold mines, Witwatersrand Goldfield, south Africa 400-403 Danburite from Charcas, San Luis Potosi...Victor of Hobasburh-Lorraine (1817-1867) 412-413 Quartz with hematite from China 414-418 Mineral Hill,...zogenaamde "Franciscan" formatie, Laytonville district, Mendocino county, California, USA. De Franciscan...minerals from the Franciscan of the Laytonville District, Mendocino County, California", Am. MIneral. 50(1-2) |  | | Journal (issue) | | at www.MineralogicalRecord.com Frontcover Smoky quartz with amazonite, 11.8 cm, from the "Smithsonian...stock certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This...farnous collector species like amazonite, smoky quartz, rhodochrosite, fl uorite, gold and silver minerals... Farne Museum in Leadville, the Cripple Creek District Museum, and the Western Museum of Mining and Industry...list the name of the lade or mine, the mining district and county, and the assay results for gold and |  | | Book | | 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins in a...and pegmatitic environments. In the mid- l 970s, local historian-collector William J. Brunet set out to...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely |  | | Journal (issue) | | sind in München eher Mangelware. Doch „Himalaya Quartz Ptv. Ltd." aus Nepal hatte diesmal einen herrlichen...Bergkristall-Stufe aus dem gleichen Fund. Himalaya Quartz pty. Ltd. Fotos Bode. schienen uns auch bis etwa...Nordamerika USA.Aus der Buick Mine, Viburnum Trend District, Reynolds Co., Missouri, bot „Magma Minerals"...calcit-Stufen aus der Buick-Mine, Viburnum Trend District, Missouri.1. Breite der Stufe 17,S cm. 2. Breite...Seine Vorliebe für FairbumAchate, den „Gemstones of South-Dakota" kommt in dieser Vitrine von Johann Holzmann |  | | Book (edition) | | Outside of the United States, please contact your local representative. ISBN-13: 978-0-47 1-72157-4 Printed...field seasons to Canada, Western Australia, South Africa, and Brazil. He was awarded a = Guggenheim Fellowship...nearby mineral localities in the Black Hills of South Dakota. She received her B.S. degree in earth science...(Ruby and Sapphire) Diamond 570 Jade 570 Opal 571 Quartz 571 Rutile 20.GEM MINERALS Gem Minerals 555 Gem...Jade 560 Chrysoberyl 560 Topaz 560 Tourmaline 561 Quartz 561 Turquoise 561 Garnet 561 Zircon 562 Olivine |
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Boekenhouthoek, Mkobola, Thembisile Hani Local Municipality, Nkangala District Municipality, Mpumalanga, South Africa