 | | Journal (article/letter/editorial) | | zoned philipsbornite– hidalgoite from the Tsumeb mine, Namibia, and hydrogen 5+ bonding in the D2+G3+ 3...17.0973(9) Å, V = 749.4(1) Å3, from the Tsumeb mine, Namibia, has been refined to R1 = 1.68% for 301 unique...occurrence of philipsbornite from the Tsumeb mine, Tsumeb, Namibia, and Gebhard (1999) * E-mail: fran...reported the occurrence of hidalgoite from the Tsumeb mine. Philipsbornite and hidalgoite are members...extremely small white hexagonal tablets from the Tsumeb mine, Namibia (Weber and Wilson, 1977; Pinch and M. |  | | | | crystal structure of Ga-rich plumbogummite from Tsumeb, Namibia S. J. MILLS1,*, A. R. KAMPF2, M. RAUDSEPP1...13)S1.00H(Al1.95,Ga1.05)S3.00(PO4)2(OH)6, from Tsumeb, Namibia, has rhombohedral symmetry, space group R3̄m... (303, 033). K EY WORDS : plumbogummite, Tsumeb, Namibia, gallium, crystal structure, kintoreite, bond...cell parameters ah & 7 Å, ch & 17 Å (e.g. crandallite, (CaAl3(PO3[O0.5OH0.5])2(OH)6 Blount, 1974)....sites (Jambor, 1999). At the Tsumeb mine, in the Otjikoto region of Namibia (19º15’S , 17º42’E), Ga is |  | | Journal (issue) | | collecting has flourished throughout the Northwest region in recent decades; a history of the mineral discoveries...the estate. Many early minerals collected in the region about Spokane, Washington, are represented in the...with malachite, 5.3 cm, Tschudi mine, Oshikoto region, Namibia. Jeff Scovil photo. (left) Tantalite-(Fe)...with malachite, 8 cm, from the Tsumeb mine, Oshikoto region, Namibia. Jeff Scovil photo. Malachite on...8 cm, from the Onganja mine, Seeis, Khomas region, Namibia. Jeff Scovil photo. Supplement to the Mineralogical |  | | Journal (article/letter/editorial) | | 861 Am's, C. E. S., 295 Augelite, and cerian crandallite in dumortierite quartzites, Vaca Morta quarry...implications, 89 Bahia, augelite and cerian crandallite in dumortierite quartzites from Brazil, 607 ...Brackebuschite group, new mineral feinglosite from Tsumeb, Namibia, 285 BRArrHWAn'E,R. S. W., 895 Braunite, and...chemistry of, 213 BRAZIL, augelite and cerian crandallite in dumortierite quartzites from, 607 BRmAT'n...Cus(Te6+O4)2(AsS+Oa)2.3H/O, a new mineral species, 139 Cerian crandallite, and augelite in dumortierite quartzites, Vaca |  | | Catalog/List | | starting Jewel Tunnel Imports (JTI) he added Tsumeb, Namibia, to his yearly around-the-world buying trips........................................ 111 Namibia (Tsumeb) ............................................(2018) Connoisseur’s Choice: Hydrocerussite, Tsumeb Mine, Namibia, Rocks & Minerals, 93:2, 150157, Figure...coloration - very diagnostic of material from the region. Overall Measurements: 6.9 x 3.9 x 3.7 inches (17...online, visit HA.com/5445 72057 Variscite, Crandallite & Wardite Little Green Monster Variscite Mine |  | | Catalog/List | | Ellis collection label. 80x50x30mm. £24. 14) CRANDALLITE, PYRITE and AMETHYST. 15 Level South Lode, Wheal...to black crandallite as masses and \ 'cry micro xls. 140x70x50mm. £85. 15) DIOPTASE. Tsumeb, Otavi, Namibia...Namibia. About a dozen gemmy dark green dioptase xls to 12mm at one end of a calcite matrix with colourless... 16) DUFTITE, CERUSSITE and MALACHITE. Tsumeb, Otavi, Namibia. Nice small double sided specimen showing...max. £12. 25) MOTTRAMITE after AZURITE. Tsumeb, Otavi, Namibia. Crude angular xls to 20mm of dark green |  | | Report (issue) | | = 17.05–17.18 Z=3 X-ray Powder Pattern: Tsumeb, Namibia. 3.042 (100), 5.85 (60), 3.592 (50), 2.281...)0.40 (SO4 )0.10 ]Σ=2.07 H6.58 O5.72 . (2) Tsumeb, Namibia; by electron microprobe, average of four analyses...PbAl3 (AsO4 )2 (OH)5 • H2 O. Mineral Group: Crandallite group. Occurrence: A rare secondary mineral... bayldonite, malachite, hematite, quartz (Tsumeb, Namibia). Distribution: In Australia, from the Dundas...homestead, Capricorn Range, Western Australia. At Tsumeb, Namibia. From Cı́novec (Zinnwald), and at Moldava, |  | | Catalog/List | | unidirectional fibrous xtls. VGRF. LMI. £4.00 2 CRANDALLITE, Sutzbach, Rosenberg Oberpfalz, Germany. Small...37 MALACHITE after AZURITE pseudomorph, Tsumeb, Otavi, Namibia. Very large 60mm velvety green xtl. D....Ml. £10.00 49 CALCITE, Tsumcorp Mine, Otavi, Namibia. Very nice uni-directional dear xtl regrowth on...terminated calcite. VGD. C. 72 CERUSSITE, Tsumeb, Otavi, Namibia. A mass of translucent sixling snowflake...48mm xti. D. Ml. £16.00 74 FLUORITE, Okaruso, Namibia. Large green / purple to 25mm. VGD. C. £16.00 |  | | Journal (issue) | | mine, Ruoqiang County, Bayinguoling Autonomous Region, Xinjiang, China. Ken Donn photo. Azurite “rose...Scovil photo. Prehnite, 13 cm, from Sandare, Kayes Region, Mali. Jeff Scovil photo. 10 Supplement to The...on chrysocolla, 13 cm, from Inca de Oro, Atacama region, Chile. Jeff Scovil photo. Smithsonite, 17 cm...photo. Mottramite, 14 cm, from the Tsumeb mine, Oshikoto region, Namibia. Jeff Scovil photo. Goethite, 18...coating, 4.4 cm, from the Onganja mine, Onganja, Namibia. Chris Whitney-Smith collection; Jeff Scovil photo |  | Vignola, Pietro, Hatert, Frédéric, Roda-Robles, Encarnación, Simmons, William B., Francis, Carl A. (2014) PEGMATITIC PHOSPHATE: A TRIBUTE TO FRANÇOIS FONTAN, ANDRÉ-MATHIEU FRANSOLET, AND PAUL KELLER. The Canadian Mineralogist, 52 (2) 121-128 doi:10.3749/canmin.52.2.121 | Journal (article/letter/editorial) | | associations of the pegmatites of the Karibib region in Namibia (Keller & von Knorring 1985, Keller & von...mineralogy of the Tsumeb mineralization (Otjikoto Region, Namibia) and of Namibia in general (Keller...lead oxychloride mineral from the Kombat mine, Namibia (South West Africa). Mineralogical Magazine 54...phosphate minerals from the Tsaobismund pegmatite, Namibia. Fortschritte der Mineralogie 61, 65–66. Fransolet...mineral associations of the Tsaobismund pegmatite, Namibia. Contributions to Mineralogy and Petrology 92, |  | | Book (volume) | | cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR...Zn-poor olivenite from Tsumeb, Namibia (1); Zn-enriched olivenite from Tsumeb, Namibia (2); Zn-enriched olivenite |  | | Journal (article/letter/editorial) | | interesting, rare, and valuable are the many choice Tsumeb minerals included in it. The approximately 1,300...of pink cobaltine smithsonite crystals from Tsumeb, Namibia. T w o of the finest items in the collection...mine in Clay Canyon, Utah. Contains wardite, crandallite, and alteration phosphates. Figure 10: Pyrite...CITY Figure 11(above): Azurite on quartz, Tsumeb, Namibia. Figure 12 (above right): Pseudomorphs of wurtzite |  | Grey, I. E., Shanks, F. L., Wilson, N. C., Mumme, W. G., Birch, W. D. (2011) Carbon incorporation in plumbogummite-group minerals. Mineralogical Magazine, 75 (1) 145-158 doi:10.1180/minmag.2011.075.1.1450 | Journal (article/letter/editorial) | | ABSTR ACT Non-stoichiometric, carbon-containing crandallite from Guatemala and plumbogummite from Cumbria...plumbogummite and 20% of the C in the Guatemalan crandallite, the remainder being present as nano-scale organic...carbonate-containing fluorapatites. Stoichiometric crandallite from Utah was characterized using the same methods...Carbonate plumbogummite, carbon in crandallite, non-stoichiometric crandallite, Rietveld refinements, spectroscopy...PO34 in the apatite structure. After apatite, crandallite, CaAl3(PO3.5(OH)0.5)2(OH)6, is the next most |  | Cooper, Mark A., Hawthorne, Frank C., Ball, Neil A., Ramik, Robert A., Roberts, Andrew C. (2009) Groatite, NaCaMn2+2(PO4)[PO3(OH)]2, a new mineral species of the alluaudite group from the Tanco Pegmatite, Bernic Lake, Manitoba, Canada: description and crystal structure. The Canadian Mineralogist, 47 (5) 1225-1235 doi:10.3749/canmin.47.5.1225 | Journal (article/letter/editorial) | | Groatite is closely associated with whitlockite, crandallite, an unidentified Na–Al phosphate and quartz;...est étroitement associée à la whitlockite, la crandallite, un § E-mail address: frank_hawthorne@umanitoba...an unidentified Na–Al phosphate, calcite and crandallite, with minor overite, groatite and metaswitzerite;...is most closely associated with whitlockite, crandallite, the unidentified Na–Al phosphate and quartz...groatite. Pale yellowish brown hemispheres of crandallite, ideally CaAl3(PO4)2(OH)5(H2O), commonly coat |  | | Journal (article/letter/editorial) | | BLOUNT, A.M. (1974): The crystal structure of crandallite. Am. Mineral. 59, 41-47. BOTINELLY, T. (1976):...(1989): Occurrence of minerals of the alunite–crandallite group in the Liten Formation of the Barrandian...PbGa3[(AsO4),(SO4)]2(OH)6, a new mineral species from Tsumeb, Namibia, and associated new gallium analogues of the...minerals of the alunite group from the Coquimbo region, Chile. Am. Mineral. 77, 1275-1284. LOIACONO, G...high-alumina rocks of the Ichetui occurrence, Transbaikal region. Dokl. Earth Sci. 359, 233-235. ________, ________ |  | | Journal (article/letter/editorial) | | Minerals New to Tsumeb R.J. BOWELL1 and H. MOCKE2 1 SRK Consulting, Churchill House, Cardiff CF102HH... Wales 2 Geological Survey of Namibia, Windhoek Abstract: The Tsumeb polymetallic carbonate-hosted replacement...replacement deposit in northern Namibia, although now closed, is a world-renowned deposit of unusual...deposit approximately 337 minerals occur for which Tsumeb is the type locality for 72 of these minerals....collections housed in the Geological Survey of Namibia include specimens collected by Hans Schneiderhöhn |  | | Journal (article/letter/editorial) | | the Rietveld method. It consists of pairs of crandallite-like composite layers of corner-connected Al-centered...with Ca atoms located between the layers, as in crandallite. The apical oxygen atoms of the PO4 tetrahedra...Pb3O2(SeO3), a new oxidation-zone mineral from Tsumeb, Namibia. Mineralogy and Petrology, 101, 75–80. Plumboselite...Pb3O2(SeO3), is a new selenite from the Tsumeb mine, Namibia. It is known to occur on only three specimens |  | | Journal (article/letter/editorial) | | Plumbogummite group with -1c: Gorceixite Waylandite Crandallite Florencite-(Ce) Florencite-(La) BaAl3(PO3.5(OH)0...crystalstructure site. The crystal structures of crandallite (Blount, 1974) and gorceixite (Dzikowski et al...= alunite calciowavellite, calcowavellite = crandallite calcium-jarosite = Ca-rich hydroniumjarosite...hydroniumjarosite camposite = gorceixite candallite = crandallite carphosiderite = hydroniumjarosite cherokine = plumbogummite...davisonite, dennisonite = crandallite + CO2-rich hydroxylapatite deltaite = crandallite + hydroxylapatite dernbachite |  | Schwab, R.G., Pimpl, T., Schukow, H., Stolle, A., Breitinger, D.K. (2004) Compounds of the crandallite-type: Synthesis, properties and thermodynamic data of pure crandallite and woodhouseite. Neues Jahrbuch für Mineralogie - Monatshefte, 2004 (9) 385-409 doi:10.1127/0028-3649/2004/2004-0385 | Journal (article/letter/editorial) | | Compounds of the crandallite-type: Synthesis, properties and thermodynamic data of pure crandallite and woodhouseite...Compounds of the crandallite-type: Synthesis, properties and thermodynamic data of pure crandallite and woodhouseite...spite of many efforts the synthesis of pure crandallite was not possible so far. Consequently also its...extremely low concentrations of sulphate in the crandallite – woodhouseite mixed crystals. Natural mixed...Stuttgart 386 R. G. Schwab et al. Key words: Crandallite, woodhouseite, Standard Free Energy of Formation |  | Mills, Stuart J., Kampf, Anthony R., Raudsepp, Mati, Birch, William D. (2010) The crystal structure of waylandite from Wheal Remfry, Cornwall, United Kingdom. Mineralogy and Petrology, 100 (3) 249-253 doi:10.1007/s00710-010-0133-7 | Journal (article/letter/editorial) | | hexagonal cell parameters ah ≈7Å, ch ≈17Å (e.g. crandallite (CaAl3(PO3[O0.5OH0.5])2(OH)6—Blount 1974). The...there is substantial substitution towards both crandallite and goyazite. Table 1 Electron microprobe analyses...and Ca, they are sited on the origin (as in crandallite and goyazite), whereas Bi is located slightly...74 Blount AM (1974) The crystal structure of crandallite. Am Mineral 59:41–47 Brese N, O’Keeffe M (1991)...crystal structure of Ga-rich plumbogummite from Tsumeb, Namibia. Mineral Mag 73:837–845 Mills SJ, Madsen IC |  | | Journal (article/letter/editorial) | | sulfate alunite [KAl3(SO4)2(OH)6], the phosphate crandallite [CaAl3 (PO4)2(OH)6], the arsenate segnitite [PbFe3+3(AsO4)...BLOUNT, A.M. (1974) The crystal structure of crandallite. American Mineralogist 59, 41–47. BONNIN, A....zoned philipsbornite–hidalgoite from the Tsumeb mine, Namibia, and hydrogen bonding in the D2+ G3+3(T5+O4)(TO3OH)(OH)6...471–482. KOLITSCH, U. & PRING, A. (2001) The crandallite, beudantite and alunite groups: a review and...crystal structure of Ga-rich plumbogummite from Tsumeb, Namibia. Mineralogical Magazine 73, 837–845. MÜLLER-BUSCHBAUM |  | Mills, Stuart J., Kartashov, Pavel M., Kampf, Anthony R., Raudsepp, Mati (2010) Arsenoflorencite-(La), a new mineral from the Komi Republic, Russian Federation: description and crystal structure. European Journal of Mineralogy, 22 (4) 613-621 doi:10.1127/0935-1221/2010/0022-2043 | Journal (article/letter/editorial) | | cell parameters ah 7 Å, ch 17 Å (e.g., crandallite, Blount, 1974). The composition often requires...Mills & Birch, 2010), as well as the presence of crandallite-type blocks within the structure of perhamite...deposits, North Bohemian Uranium District, Liberec Region, Bohemia, Czech Republic. Here it occurs in the...crystals with ‘‘arsenoflorencite-(Nd)’’ and crandallite (Scharm et al., 1991). 615 Fig. 3. Crystal...within the structure (e.g., Blount, 1974, in crandallite); however, as is the case Site population: Al:Fe |  | Talla, D., Wildner, M., Beran, A., Škoda, R., Losos, Z. (2013) On the presence of hydrous defects in differently coloured wulfenites (PbMoO4): an infrared and optical spectroscopic study. Physics and Chemistry of Minerals, 40 (10) 757-769 doi:10.1007/s00269-013-0610-8 | Journal (article/letter/editorial) | | absorption features in the OH stretching vibrational region, models for the incorporation mode of intrinsic...Colourless–light yellow 0.068 0.044 0.011 0.055 Tsumeb, Namibia Colourless Colourless (without pleochroism)...0.10 cm, depending on the investigated spectral region. Thinned tabular crystals dominated by the (001)...narrow band group in the 14,000–11,000 cm-1 spectral region, most probably due to the presence of REEs, specifically...Polarised single-crystal spectra in the infrared (IR) region were measured at room- and liquid nitrogen (LN2) |  | | Journal (article/letter/editorial) | | sample investigated is the first member of the crandallite group found to contain substantial Sb. KEYWORD$:...crystal structure, crystal chemistry, antimony, crandallite group. Introduction As part of a project designed... Sb and Cr, an evaluation of members of the crandallite (phosphate), beudantite (arsenatesulphate, phosphate-sulphate)...BaFe3(AsO4)2(OH,H20)6, a rare member of the crandallite group, was originally described fi'om Djebel...Blanchard, 1989); an apparent triclinic dimorph of crandallite, CaA13(PO4)2(OH,H20)6, was reported by Cowgill |  | Mills, S. J., Etschmann, B., Kampf, A. R., Poirier, G., Newville, M. (2014) Sb5+ and Sb3+ substitution in segnitite: A new sink for As and Sb in the environment and implications for acid mine drainage. American Mineralogist, 99 (7) 1355-1359 doi:10.2138/am.2014.4834 | Journal (article/letter/editorial) | | Blount, A.M. (1974) The crystal structure of crandallite. American Mineralogist, 59, 41–47. Booth, C.H...zoned philipsbornite–hidalgoite from the Tsumeb mine, Namibia, and hydrogen bonding in the D2+(T5+O4)(TO3OH)(OH)6...and Pring, A. (2001) Crystal chemistry of the crandallite, beudantite and alunite groups: a review and...crystal structure of Ga-rich plumbogummite from Tsumeb, Namibia. Mineralogical Magazine, 73, 837–845. Mills |
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