 | von Seckendorff, V., Drüppel, K., Okrusch, M., Cook, N. J., Littmann, S. (2000) Oxide-sulphide relationships in sodalite-bearing metasomatites of the Epembe-Swartbooisdrif Alkaline Province, north-west Namibia. Mineralium Deposita, 35 (5) 430-450 doi:10.1007/s001260050254 | Journal (article/letter/editorial) | | Oxide±sulphide relationships in sodalite-bearing metasomatites of the Epembe±Swartbooisdrif Alkaline Province, north-west...north-west Namibia Received: 22 October 1998 / Accepted: 27 October 1999 Abstract The south-eastern...south-eastern part of Kunene Intrusive Complex (KIC), Namibia/Angola, is host to volumetrically signi®cant, and economically... concentrations of sodalite in the area around Swartbooisdrif, north-west Namibia. The mineralisation...metasomatic exchange with carbonatites of the Epembe± Swartbooisdrif Alkaline Province. This process led to the |  | | Book | | Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...s Onganja Mine and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits...__ Republic of Namibia The President State House W°Ntdhoek FOREWORD Namibia is endowed with an...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |  | | Book | | Sources: @ Chile ¢ France ¢ Greece ¢ Mexico @ Namibia @ California, United States damite is a rare mineral...paradamite, which was first identified at the Ojuela Mine in Mapimi, Durango, Mexico, and confirmed as a...mineral through the alteration of nepheline or sodalite. Analcime is related to leucite, a silicate of...Massachusetts, United States ¢ Zimbabwe amed for the region of Spain where it was first discovered, andalusite...Sources: @ Australia ¢ England # Mexico Morocco ¢ Namibia Scotland Idaho, New Mexico, and Pennsylvania, United |  | | Book | | photos of minerals— listed generally either as a region or a corresponds to the group of minerals dis-...regions, and volcanic vent deposits. Found in: region around Vesuvius Etna/Italy; Hungary; Armenia; Kazakhstan/USSR;...colemanite, calcite. 64 Found in: Tuscanny/Italy; Kaps region/USSR; California, Nevada/USA; Atacama/ Chile; Argentina;...Tyrol/Austria; Alsace, region around Paris/France; Tunisia; Morocco; Usbekistan, western Ural region/USSR, Utha,...Islands, Sicily/Italy; Japan; Indonesia; Don River region, middle Asia/USSR; Texas, Louisiana/USA; Mexico |  | | Book | | quarry Miarolitic cavities in nepheline syenite Sodalite syenite Igneous breccia Pegmatites Marble xenoliths...the igneous complex. In nepheline syenite and sodalite syenite pegmatites, just as in the case of granitic...named Monteregie is now the current name of the region. he name Mont Saint-Hilaire is used interchangeably...what is now the Richelieu River and Lake Champlain region, Samuel de Champlain first named the mountain Mont...protecting the only remaining primeval forest in the region. THE EARLY SCIENTIFIC INVESTIGATIONS T he earliest |  | | Journal (article/letter/editorial) | | age and provenance. Although the details of any region are complex, some general statements may help towers...geological regions of Canada 14 Appalachian Region In North America, the old, worn Appalachian Mountains...from the Atlantic Ocean. Formerly the Appalachian Region consisted of a submerged trough on the edge of...mountains, now largely eroded away. The Appalachian Region, includ ing the Atlantic Provinces and south...Cordilleran Region Canada’s newest mountains are part of the Cordilleran Mountain region which spans |  | | Journal (issue) | | tours for collectors are permitted by the friendly mine management, and visitors have even been allowed...the area and purchased the rights to the Verchniy mine. Operations to extract copper, lead and zinc began...Dal’negorsk. GEOLOGY The geology of the Dal’negorsk region is tectonically complex because of its relationship...unique among the various intrusive rocks of the region. Xenoliths of eclogite and lherzolite suggest a...followed by the intrusion of andesite and diabase dikes. This andesite filled some of the pockets which |  | | Catalog/List | | Shortite Trona, Vashegyite,Xenotime,Pyrophyllite,Lepidocrocite,Abhurite,Manasseite,Zaj acite,Vlasovite, Foittite...Greenish, sparse, acicular micros in Penberthy Croft Mine, St 1cm £4 s AGARDITE Y Ca Cu As_O_O_H_____c_a_v_iti_e'-s-'in'-'-...215 69 3 11 Rich white crusts on matrix. Rawhide Mine, Mohave ½x½£3 _P_b_S_iO_13 _ _ _ _ _ _ _ _ _ _ _...Hornblende ALLANITE Black areas in actinolite Bastnas Mine Sweden lxl £1.20 CeYFeSiO Quite attractive blue-grey...Grey veins in and on matrix, some with Fallowfield mine, Ix½ ALSTONITE BaCaCO/3 Alstonite micros. Hexharn | | | Book | | found in nature are listed generally either as a region or a country. To find specific localities, other...regions, and volcanic vent deposits. Found in: region around Vesuvius Etna/Italy; Hungary; Armenia; Kazakhstan/USSR;...colemanite, calcite. Found in: Tuscanny/ltaly; Kaps region/USS R; California , Nevada/USA; Atacama/ Chile;...Tyrol/Austria; Alsace, region around Paris/France; Tunisia; Morocco; Usbekistan, wes tern Ural region/USSR, Utha...Islands, Sicily/Italy; Japan; Indonesia; Don River region, middle Asia/USSR; Texas, Louisiana/USA ; Mexico | | | Book | | found in nature are listed generally either as a region or a country. To find specific localities, other...reg1ons, and volcanic vent deposits. Found in : region around Vesuvius Etna/ltaly; Hungary; Armenia; Kazakhstan/USSR;...colemanite, calcite. Found in: Tuscanny/Italy; Kaps region/USSR; California , Nevada/USA; Atacama/ Chile;...TyroVAustria; Alsace, region around Paris/France; Tunisia; Morocco; Usbekistan, western Ural region/USSR, Utha,...Islands, Sicily/Italy; Japan; Indonesia ; Don River region, middle Asia/USSR; Texas, Louisiana/USA: Mexico |  | | Catalog/List | | crystalline masswith Fluorescent (LW)areas of Sodalite (3t Hilaire, Quebec, Canada) .. lxl Elins lx2...Arnphibolegroup rich blackish fine grained mass with Sodalite. (Ilimaussaq, Greenland) lxl f2.50 lx2 f5.00 037...bright orange red micro crystals in slag. (Cetine mine, Sienna Italy) 061 BRITHOLIT8 Ce. Ce ca Si0/4 P0/4...pure greenish Scorodite (Fe Arsenate) (Gold Hill Mine,TooeleCountyUtah) ½" size El.SO lxl f4 lx2 ED 231...S/5 grey rnetallic fibres on quartz. (Cariboo Gold Mine, Wells, British Columbia,Canada) ½ ins f2. 50 116 | | | Book | | found m nature are hsced generally etther as a region or a country To fi nd specific localities, other...regions, and volcanic vent deposits. Found in: region around Vesuvius Etna/Italy; Hungary; Armenia; Kazakhstan/USSR;...colcmanite, calcite Found in: 1usc.rnny/ ltaly; Kaps region/USSR, Californ ia, Nevada/USA, AtacamM Chile; Argentina:...Tyrol/Austria; Alsace, region around Paris/France; Tunisia; Morocco; Usbekistan, western Ural region/USSR, Utha,...lslands, Sicily/Jcaly; Japan; Indonesia; Don River region, middle Asia/USSR; Texas, Louisiana/USA; Mexico |  | | Catalog/List | | ----·-·- ---- ·- -- 1129 ALMANDINE Brastad iron Mine near Arendal ,Norway 87 ■ BERYL Evje area . South...---·-··----·------ ·- - ---27 ANTHOPHYLLITE Kaveltorp Mine Sweden 1008 CHRYSOBERYL Kolsva. Vastmanland Sweden...--~----· ·---·-------- -- -62 COBAL TITE Bolidcn Mine, North Sweden 1003 ARSENIOPLEITE Sjogruvan,Ridd...2x3 £25 Ampibole 1140 ERYTHRITE Sl-a1tterud Cobalt Mine. Vikersund Norway 970 MAGNESIOHASTINGSITE Langban...________ __ _!LU9! .~~~ -E N1 163 GALENA Smallcleugh Mine, Nenthcad. Cumbria Cube-octahedral grey crystals |  | Haring, M. M. M., McDonald, A. M., Cooper, M. A., Poirier, G. A. (2012) Laurentianite, [NbO(H2O)]3(Si2O7)2[Na(H2O)2]3, a new mineral from Mont Saint-Hilaire, Quebec: description, crystal-structure determination and paragenesis. The Canadian Mineralogist, 50 (5) 1265-1280 doi:10.3749/canmin.50.5.1265 | Journal (article/letter/editorial) | | Laurentianite is a late-stage mineral intergrown with lepidocrocite, both of which overgrow franconite and quartz...possibly arising through the breakdown of franconite, sodalite, and quartz. Keywords: laurentianite, Mont Saint-Hilaire...intimate intergrowth of laurentianite with lepidocrocite, the presence of Fe is considered attributable...numerous weak absorption bands, particularly in the region below 800 cm–1 (Fig. 2, inset). Those observed...attempt was made to assign those present in the region between ~310 and 100 cm–1. Table 1 lists the suggested |  | | Journal (article/letter/editorial) | | sulphur jarosite assemblage, 139; TASMANIA, Kara mine, mpororoite and anthoinite, 397; WESTERN AUSTRALIA...L. D. C., see BEUKES, G. J., 131 BOLIVIA, Hiaca Mine, grimaldiite, 560 BOWLES,J. F. W., and MORGAN, D...I. A., enstatite inclusions in diamond, 459 Lepidocrocite, M6ssbauer spectrum, 507 Leucite, structure...see BOWLES,J. F. W., 146 M6ssbauer spectrum, lepidocrocite, 507 MOZAMBIQUE, Serra do Menucuk, Cr-bearing... and SCHWERTMANN,U., M6ssbauer spectrum of lepidocrocite, 507 Muscovite, New Jersey, barMan, 562 NAGASHIMA |  | | Catalog/List | | massive with minor Celsian and Bementite from Benallt Mine, Lleyn, Wales, (Recently tested by XRD) lxl £4 lx2...£15 £6 88 ADAMITE Ojuela Mine, Mapimi, Mexico 1036 ALSTONITE Fallowfield Mine, Northumberland Colourless...x2 £ 1.50 2x2 £3 Al SO/4 767 ■ AJOITE Christmas Mine, Gila County, Arizona USA 14 ALUMINITE Railway cutting...brown chips, probably mixed with Goethite and Lepidocrocite. 3mm £3 FeO"OH Cl 69 ALUMOHYDROCALCITE South...~-------·-·-- ·· -·· 1077 ■■ ALLOPHANE Hawkswood Mine, Cornwall 933 ANATASE Hingston Quarry,Cornwall Black |  | | Book (chapter) | | lajhunit = laihunite, László 155 (1995). lajwar = sodalite, Bukanov 156 (2006). Lake copper = copper, Thrush...lazurite or sodalite or nosean or haüyne, O'Donoghue 329 (2006). lapislazzuli = lazurite or sodalite or nosean...(1892). lasurapatite = blue apatite ± lazurite ± sodalite, Dana 6th, 764 (1892). Lasurerz = bornite, Hintze...Egleston 184 (1892). lazur-apatit = blue apatite ± sodalite ± lazurite, Dana 6th, 762 (1892). lazurfeldspar...lepidocrocoite = lepidocrocite, de Fourestier 28 (1994). lepidocroíta = lepidocrocite, Novitzky 185 (1951) |  | | Journal (issue) | | the exposure in recent years of an area rich in sodalite and marble xenoliths, much new and interesting...agpaitic rocks form peralkaline minerals such as sodalite, aegirine, arfvedsonite and other rare sodium...nepheline and sodalite syenites, por phyries, breccias and large xenoliths of marble, sodalite, hornfels... The dominant rocks are nepheline syenite and sodalite syenite. These peralkaline syenites, rare in the...presumably Grenvillian in age, are common. Pegmatite dikes, pipes and lenses, breccias, porphyritic syenites |  | | Catalog/List | | ___ 2x2£3 ___ - -----~ - ~014_ _ 88 ADAMITE Ojuela Mine, Mapimi, Mexico 69 ALUMOHYDROCALCITE South Bay,...- - --··---- - - - - - · . 767 AJOITE Christmas Mine, Gila County, Arizona USA 17 ANAL CITE Talisker...brown chips, probably mixed with Gocthite and Lepidocrocite. Small yellowish green crystals on :natrix,...North Sweden 501 ALLOPHANE New East Whcal Russell mine, Devon ,England variety VIRIDINE (Mangan rich variety)...217 ANDORITE San Jose Mine, Oruro, Bolivia 1129 ■ ALMANDINE Brnstad iron Mine near Arendnl ,Norway Pure |  | | Journal (article/letter/editorial) | | synthetic goethite, hematite, ferrihydrite, and lepidocrocite was studied, and efforts to improve thdnethod...25°C with 5 M NaOH and immediate washing; and lepidocrocite P23, by oxidizing a 0.1 M FeCl z solution at...Schwertmann (15-20 min of contact) to dissolve sodalite, twice with 1 N (NH4hC0 3 to remove NaCl, and...interval. 1 (mole%) 10 on the formation of lepidocrocite (Schwertmann and Thalmann, 1976) and goethite...concentration of Si in solution is sufficiently high. Lepidocrocite P23 transformed more readily than goethite or |  | | Catalog/List | | SUMMER 8989 iSamp ^effeiuMineraG Mineral Dealer & Mine Agent "Endsleigh'', 50 Daniell Road, Truro, Cornwall... £45.00. 4. ANGLESITE. Tsumcorp Hine,0tavi,Namibia. A single matrix-free terminated colourless transparent...Babingtonite up to 2mm. £5.00. 22. BARITE on CALCITE. Elk Mine,Meade County,S.Dakota,U-S.A. Beautiful terminated...4J. CHALCEDONY. (Fluorite Pseudomorph). Holmbush Mine,Callington,Cornwall. Interesting creamy array of...25®®• £18.00. 47- CHALCOPYRITE. Hingston Downs Mine,Callington.Cornwall. Attractive deep golden display |  | | Book | | Mineralogical Interest Pegmatites Altered Pegmatites Sodalite Syenite Cavities in Nepheline Syenite Igneous...Igneous Breccia Cavities Hornfels Marble Xenoliths Sodalite Xenoliths Rock-Forming Minerals 3 3 3 4 4 4 4 4...Jeifite, leucophanite, mangan-neptunite, serandite, sodalite crystals (including the variety hackmanite) and...introduction of chlorine probably helped to produce the sodalite, and it also may be responsible for the explosive...follo\\'ing paragraphs. Pegniatiles. The pegmatite dikes and pipes that occur in nepheline syenite are probably |  | | 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...olivenite from Tsumeb, Namibia (1); Zn-enriched olivenite from Tsumeb, Namibia (2); Zn-enriched olivenite |  | | Catalog/List | | £10 2x2 £15 Ix! £3 lx2 £6 I · 88 ADAMITE Ojuela Mine, Mapimi, Mexico Colourless to yellow small crystals...£10 2x3 £15 Na Ca SiO F 7fJ 7 ■ AJOITE Christmas Mine, Gila County, Arizona USA Blue veinlets in matrix...brown chips, probably mixed with Goethite and Lepidocrocite. 3mm £3 FcO OH Cl -10 -• • ALBERTITE near Dingwall...5cm £4 no/2 feldspar 37 ANCYLITE Ce Dark Star Mine,Ravalli County, Montana U.S.A Rich pinkish fine...£7.50 Ag Sb 501 ALLOPHANE New East Wheal Russell mine, Devon ,England grey bleby small botryoidal with |  | | Journal (article/letter/editorial) | | manganese silicate, occurring as white needles in sodalite syenite xenoliths. After the unrecognized mineral...Sanidine Scheelite Sepiolite Serandite Siderite Sodalite Spessartine Sphalerite Steacyite* Steenstrupine-(Ce)...zirconium-bearing rocks occupy large expanses of the region. Eudialyte, for example, a relatively common accessory...The highest ratios measured in 1969 were for a sodalite syenite (1.33) and a feldspathic tawite (1.31)...composition, but weathering has blurred distinctions, Sodalite syenite. Bench levels. Although there were benches |
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