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Gregoryite from
Bultfontein Mine, KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine), Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africa


Locality type:Mine
Classification
Species:Gregoryite
Formula:(Na2,K2,Ca)CO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gregoryite data
Locality Data:Click here to view Bultfontein Mine, KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine), Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africa
Data Identifiers
Mindat Occurrence Record ID:1233192
Long-form Identifier:1:3:1233192:1
GUID (UUID V4):7945259a-447c-4361-8411-0330d2ae2880
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
African Localities T o complement the Minerals of Africa theme of the 2002 Tucson Gem and Mineral Show,...88; Namibia is next with 73; the Republic of South Africa is third with 65; together they represent about...immediately leap to mind at the very mention of Africa, David Livingstone (18 13-73) and Henry Morton...for them, but neither species was first found in Africa; Mexico and Peru are the type localities for livingstoneite...appropriately discovered in a famed Kimberley diamond pipe in South Africa (see Who’s Who in Mineral Names
Journal (article/letter/editorial)
polymict mantle xenolith from the Bultfontein kimberlite (Kimberley, South Africa). The inclusions host abundant...polymict mantle xenolith from the Bultfontein kimberlite (Kimberley, South Africa). In this paper we show that...xenolith (DU-1) from the Bultfontein dumps, Kimberley (South Africa). The Bultfontein dumps comprise waste...(including abundant mantle xenoliths) from the Bultfontein mine, which is one of four major diamond-producing...Off-cut of polymict breccia xenolith DU-1 (Kimberley, South Africa). Coin diameter = 2.4 cm. include blebs
Journal (article/letter/editorial)
Ca-Mg alkali (K, Na, Ba, Sr) carbonates (e.g., gregoryite (Na2,K2, Ca)(CO3)2, PT E D nyerereite Na2Ca(CO3)2...magmaclast from the Venetia kimberlite cluster, South Africa. Chem. Geol. doi.org/10.1016/j.chemgeo.2016...Becker, M., Le Roex, A.P., 2006. Geochemistry of South African On- and Off-craton, Group RI I and Group...Berg, G.W., 1989. The significance of brucite in South African kimberlites. In: Kimberlite NU and Related...from Kalahari manganese fields (Republic of South Africa). Mineral Mag. 71, 193-201. CE Brey, G.P.
Journal (article/letter/editorial)
carbonates (±F) (e.g., fairchildite (K2Ca(CO3)2), gregoryite ((Na2,K2,Ca)CO3), zemkorite ((Na,K)2Ca(CO3)2)...the presence of solid solution minerals (e.g., gregoryite, zemkorite). Atmospheric moisture interaction...-chlorides, where K-rich minerals (e.g., fairchildite, gregoryite, sylvite) are far more common than Narich minerals...alkali/alkali-earth (K-NaBa-Sr) carbonates (e.g., fairchildite, gregoryite, zemkorite, witherite), K\\Na chlorides and subordinate...the Benfontein kimberlite sill complex (Kimberley, South Africa): textural, petrographic and melt inclusion
Book (edition)
Meta/lurgical and Mineralogical Society o/ South Africa Journal of Chemical Phy ics Journal cif the...and Proceedings of the Royal Socief) 1 of Ne,v South Wales JPSJ Journal of rhe Physical Society of...Mineralogia e Petrologia Program with abstract ·.joint 01111110/ meeting of the GAC. ,\L.J.Cand CSPG Pennskiye...Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de Alineralogia-Roma...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the
Journal (article/letter/editorial)
four occurrences) being commonly considered as local artifacts of secondary alteration (Watkinson and...mineral in kimberlite dikes in the Upper Canada Gold Mine (Watkinson and Chao, D 1973) and later in the...serpentine-poor kimberlites in the Upper Canada Gold Mine and in serpentine-free or serpentine-poor (up to...Chao (1973), shortite from the Upper Canada Gold Mine kimberlite has a late magmatic origin, while the...compared with reference spectra of nyerereite and gregoryite of Oldoinyo Lengai and Kerimasi carbonatite volcanoes
Journal (article/letter/editorial)
al., 2007), Bultfontein, South Africa (Giuliani et al., 2017), Benfontein, South Africa (Howarth et al...al., 2016), De Beers, South Africa (Soltys et al., 2018), Tongo, West Africa (Howarth and Giuliani, 2020)...concentrations at Intertek Minerals Laboratory (Adelaide, South Australia). Samples were prepared by pulverising...represented by carbonates (e.g., fairchildite, gregoryite, Jo ur zemkorite + other unidentified solid-solutions)...similar example is shown in the Benfontein sills (South Africa), where K2O contents are very low (<0.15 wt
Journal (article/letter/editorial)
spinel harzburgite from the Bultfontein kimberlite (Kimberley, South Africa). Mineral thermometry indicates...magmaclast from the Venetia kimberlite cluster, South Africa. Chem Geol 455:331–341 Antao SM, Hassan I (2009)...Moine B (2017a) Raman spectra of nyerereite, gregoryite, and synthetic pure ­Na2Ca(CO3)2: diversity and...kimberlites from Siberia, Canada, SW Greenland and South Africa. Spectrochim Acta Part A Mol Biomol Spectrosc...xenolith entrained in the Bultfontein kimberlite (Kimberley, South Africa. Lithos 256:182–196 Song Y
Book
Distribution of the main Phanerozoic volcanic provinces in Africa (after Choubert and Muret, 1975 and others) ISBN-13...:978·3·642·73968·2 1. Magmatism - Africa. 2. Geology, Structural - Africa. 3. Petrology - Africa. I. Kampunzu, A. B...Carbonatite-Nephelinite volcanism; ii) the southern Africa Karoo magmatism which is extensively dealt with...known in the world are located in the Canary and Cape Verde Is., at this northwestern African Plate. The...processes operating in the mantle beneath West Africa is also illustrated in this second part and in
Book (volume)
alteration of different kinds of stacking of layers, local defects, etc.). For this reason, the interpretation...Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates...Rastsvetaeva et al. 2009) from the Yoko-Dovyren massif, Northern Baikal area 14 1 The Application of IR Spectroscopy...Ca2[Si2O5(OH)2]·H2O from the YokoDovyren massif, Northern Baikal area Fig. 1.18 IR spectrum of acid triorthosilicate...freedom per unit cell and qi and qj are deviations of local coordinates (i.e. lengths of chemical bonds and
Report (volume)
Geochemistry of ocean island basalts from the South Atlantic: Ascension, Bouvet, St. Helena, Gough and...Island 269 FITTON, J. G. The Cameroon line, West Africa: a comparison between oceanic and continental alkaline...A. R. & JONES, G. C. The petrochemistry of the northern part of the Chilwa alkaline province, Malawi ...of the classic alkaline provinces, such as East Africa, southern Greenland and the Kola Peninsula, are...Kogarko (Kola Peninsula). The Cameroon line in West Africa (Fitton) includes both continental and oceanic
Book
Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle. Courtesy...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil...Hendrik van Prehn, who brought the mineral from the Cape of Good Hope. This was the first mineral named after
Book
England Thomas Nelson Australia 102 Dodds Street South Melbourne 3205 Victoria, Australia Nelson Canada...tried to retain local names for subdivisions within a given country. For some local names the anglicized...given name is included in parentheses although most local names lack this designation. For example we use...K(U02)As04*3H20, Tet. Vitreous yellow. Fuemrole mine, Temple Mt., Emery Co., Utah, USA. H= 2-3, Djjj=...grey, bluish-grey, yellow, light green. Langban mine, Filipstad (near), Varmland, Sweden. H= 5, Djjj=3
Journal (article/letter/editorial)
harzburgite xenolith from the Bultfontein kimberlite (Kimberley, South Africa) (Giuliani et al. 2012). Mineral...its findings in phoscorites from Phalaborwa, South Africa (Sharygin et al. 2011). Very recently carbonate... Moine B (2017) Raman spectra of nyerereite, gregoryite, and synthetic pure ­Na2Ca(CO3)2: diversity and...­K2Ca(CO3)2 in phoscorites from Phalaborwa, South Africa: the first occurrence in alkaline carbonatite
Book (edition)
Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43..."Mineral Powder Diffraction File", published by the Joint Committees on Powder Diffraction Standards (JCPDS)...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 (edition)
Smithsonian Inst., Washington, D.C. Alan Pring: South Australian Museum, Adelaide, SA, Australia. Gunnar...10. India 11. South east Asia 12. Middle East 13. African Countries, from north to south 14. Oceania 15...15. Australia 16. Antarctica 17. South America The localities section includes a description of the...Oregon Pennsylvania Puerto Rico Rhode Isand South Carolina South Dakota Tennessee Texas Utah Vermont Virginia...Yukon States, Australia New South Wales Northern Territory Queensland South Australia Tasmania Victoria
Book (volume)
Oldershaw, St. Albans, UK Quantifying Gemstone Mining ß 2005, Elsevier Ltd. All Rights Reserved. While...always been difficult to quantify. Much gemstone mining is carried out in remote places, with secrecy and...licence to mine; in other areas there is little regulation, and mining may be controlled by local leaders...by building relationships with miners, mine owners, and local traders, gain expertise and some knowledge...rock types: igneous, sedimentary, and metamorphic. Mining methods depend on the type of gemstone and its
Journal (article/letter/editorial)
harzburgite xenolith from the Bultfontein kimberlite (Kimberley, South Africa). Mineral thermometry NU ...Moine, B., 2017. Raman spectra of nyerereite, gregoryite, and synthetic pure Na2Ca(CO3)2: diversity and...Magnetotelluric deep soundings, gravity and geoid in the south São Francisco craton: Geophysical indicators of...from calcite carbonatite at the Kerimasi volcano, northern Tanzania. Geology of Ore Deposits 52, 630-640
Book (edition)
Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...referred to the Po wder Diffraction File of the Joint Committee on Powder Diffraction Standards for the
Book (edition)
Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...referred to the Powder Diffraction File of the Joint Committee on Powder Diffraction Standards for the...ASTM Powder Diffraction File, p ublished by the Joint Committee on Po,\'der Diffraction Standards. "Calculated
Report (volume)
Geophys Union 93:17-18 Janardhanan S, Newton RC, Smith JV (1979) Ancient crustal metamorphism at low PH2O:...PH2O: Charnockite formation from Kabbaldurga, south India. Nature 278:511-514 Javoy M (1997) The major volatile...in deep-sea mud. Nature 492:163 Newton RC, Smith JV, Windley BF (1980) Carbonic metamorphism, granulites...central South African streambed in 1866, and the even more dramatic 83.5-carat Star of South Africa diamond...dubbed kimberlite (Davies 1984; Hazen 1999). The South African kimberlites’ cone-shaped deposits, which
Report (issue)
(1979). Probe analyses (1) from Broken Hill gold mine, Coromandel , New Zealand. ACANTHITE. Nikolaeva...(1979). Probe analyses (4) from Broken Hill gold mine, Coromandel, New Zealand. AGUILARITE. Sugaki et...6528 (1983). Probe analysis, x-ray data from Sanru mine, Hokkaido, Japan. AGUILARITE. Sugaki et al., J....65-77 (1982). Microprobe analyses (5) from Sanru mine, Hokkaido. AGUILARITE. Vassalo Morales and Borodaev...Aufschluss 33, 367-373 (1982). Occurrence at Clara mine Black Forest. X-ray data, a 10.46, c 3.02A. AKERMANITE
 
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