 | | Journal (article/letter/editorial) | | on the Tweefontein farm (no. 1033), about 10 roues I~I~W. of Potgietersrust, Waterberg district, Transvaal...sperrylite) by P. A. Wagner, Trans. Geol. Soc. South Africa, 1926, vol. 28 (for 1925), p. 110, [Min. Abstr...the Vermilion mine, Denison township, Sudbury district, Ontario (H. L. Wells, 1889); also in chalcopyrite...Chemical, Metallurgical and Mining Society of South Africa on February 20, 1926,1 and by Dr. P. A. Wagner...Wagner at a meeting of the Geological Society of South Africa ou ]k[arch 29, 1926." The latter states that |  | | Show/Event (guide) | | 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...specimen. James Elliott photo 10 Fluorite and quartz, 21 cm aross, Planggenstock, Göschenenalp, Kanton...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, |  | | 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 |  | | Book (edition) | | example for such a situations can be seen in euhedral quartz crystals embedded in the sulfide matrix of fossil...normally contain amorphous silica/opal rather than quartz in its initial stages, as is the case in modern...displaying various colours under XPL; euhedral quartz shows milky internal reflections. Internal Reflections...Late proustite (red internal reflections) filling quartz druse (milky); dike filling. Right (third from...(often 120º). Right (top): Recrystallised euhedral quartz (dark grey) in pyrite (creme) and chalcopyrite |  | | Book | | Curator, Geological Museum, Johannesburg, SOUTH AFRICA ¥e MAX WIEBEL, Professor, Swiss Federal Institute...PIETERS, dealer and collector, Windhoek, SOUTH-WEST AFRICA }€ KAREL TUCEK, Director of Minerals, National...frequently recommended mineral—predictably—was white quartz (rock crystal). It was obvious that any selective...importance when it occurred with a white mineral such as quartz or calcite. 5. Color. The shade, hue, and intensity...of years ago as a glob of silicon dioxide in a quartz vein which coursed its way through a pegmatite | | | Book | | townsend, Curator, Geological Museum, Johannesburg, south Africa ^ max wiebel, Professor, Swiss Federal Institute...PIETERS, dealer and collector, Windhoek, south-west Africa ^ karel tucek, Director of Minerals, National...frequently recommended mineral—predictably—was white quartz (rock crystal). It was obvious that any selective...importance when it occurred with a white mineral such as quartz or calcite. 8 J 5. Color. The shade, hue, and...of years ago as a glob of silicon dioxide in a quartz vein which coursed its way through a pegmatite |  | | 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...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, |  | | Journal (volume) | | in Rhodesia Asbestos in Rhodesia Asbestos in South Africa Asbestos in Tasmania Ashanti Mine, Falls of...Barbadoes, Oil Prospects in 43 (m.ii.) Barberton District, Geology of 377 Barnes, W., Iron Ore in the Midiands"...and Iron in Manchuria Coal in Queensland Coal in South Australia Coal Resources of the Empire Coalfield...Proprietary Shares •» W. E. Walnwrlflit Broken Hill South Mine ... Brown, R. Oilman, What are Ore RaMnres...) Diamond, Formation of Diamonds, Output in South Africa Dolcoath Dolcoath, Conditions at Dolcoath Meeting |  | | Journal (volume) | | Andes Copper Co., Financing the Anthracite Mines in South Russia Aramayo Francke Mines Arizona Copper Armstrong...Arsenic-Silver Metallurgy (m.d.) A$besto$ in South Africa A. L. Hall Asbestos in the Transvaal (m.d.)...British Science Guild Exhibition 137 British West Africa Corporation Report 126 Broken Hill Block 10 Report...Steel Works -.(m.South 2OO Broken Hill South 3.V..V..V.. Report 61 Broken Hill Strike...'ar)>onate« G. L. .^Men (m.d.t.... 253 Flnor Siwr ill South Africa (m.d.l 185 Frnseh Sulphur-Mining Patent^ im |  | | Journal (volume) | | Copper Refiniug (ni.d.) Africa, Central, Development of African Taxation, South Alaska Treadwell Disaster...Anglo-Continental Mines Dividend Antimony in New South Wales Antimony in Queensland (7ii,d.) Antimony Ores...Proprietary's Steel Works, Expansion at"!.!! Broken Hill South Silver Report Broomassie Mines Liquidated PAGE...Ferreira Deep Fertilizer Problems Flin-Flon Copper District Flotation, Bibliography of, Lyon, Ralston, and...Swaziland Alluvial Tin (m.d.) Gas, Natural, in Nev7 South Wales Geduld Deep Geduld Proprietary Mines 152 |  | | Book (edition) | | 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...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the sequence North and South America and Greenland, then Europe, Asia, Africa, Australia, and Antarctica)...pegmatitic origin in the same sequence: North and South America and Greenland, then Europe, etc. For some |  | | Book | | show these traces when they appear on altars, in local museums or public buildings, and in people’s houses...the Cata neighborhood of Guanajuato is lined with quartz and amethyst from the nearby mines, and I found...mineral collecting ranges from field collecting and local mineral clubs, to roadside rock shops and prefabricated...have made a similar point in more concrete and local terms. For instance, in his essay “How to Get from...“global,” whereas Teotitlán del Valle stands as the “local.” Rather, the restaurant and many other places participate |
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