 | | Journal (article/letter/editorial) | | ratio (Zn,Fe,Pb) : S = 1 : 0.9. Stibnite from Wolfsberg was found to contain nothing but antimony and...598).-Chalcostibite was first described, from Wolfsberg, in the Harz, in 1835, as being orthorhombic and...made by Laspeyres (Abstr., 1892, l % 4 ) on the Wolfsberg mineral agreed completely with those previously...Chalcostibitie has recently been found at the Pulacayo mine, Huanchaca? Bolivia, where it occurs with tetrahedrite...28, 607--609).-The veins of the Pulacago silver mine, at Huanchaca, are in a trachytic quartz-porphyry |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...cosmetics, or as sources of color for ceramic glazes. Hematite and other iron oxides create reds and browns,...different optical properties. The play of colors on hematite comes from very thin surface layers similar to...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular |  | | Journal (article/letter/editorial) | | transition to body-centred structure, 814. Anorthoclase, ordering in, in relation to temperature, 1061...Belnhausen, Darmstadt, Germany, ankerite, 138. Benallt mine, Caernarvon~hire, Wales, bannisterite and ganophyllite...studies of natural fabrics. I. Growth-fabrics in hematite kidneyore and in fibrous calcite, 70. BRAITHWAITE...dehydration, 791 ; and see riebeckite. Crystal growth in hematite, 625. 1193 I)AS(~Ut'TA (I). R.), Thermal deconq}osition...and boulangerite in the Rajpura belt, Udaipur district, Rajasthan, India, 1174. DAs GUeTA (S. P.), Paragenesis |  | | Book | | times, and there is evidence of at least one flint mine dating from this period. Finely worked and polished...derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...needles or fibres radiate from a common center (hematite or reniform limonite, Pls. 13, p. 73, and 21 ...occasionally workable veins of cassiterite with hematite (Mexico); many other minerals too form as sublimates... and deposited later. Some of the sedimentary hematite and pyrite deposits are formed in this manner: |  | | Book | | quartz and biotite altered to chlorite. [ Akenobe district, Tajima, Japan] (Kato in 1920) akerite ig. pluton...serpentinized peridotite in Ontario. Miners’ term. [ Alexo mine, Dundonald Township, Ontario] algarite sed. Bitumen...between analcimite and tinguaite, composed of anorthoclase, aegirine, nepheline, and analcime. (Johannsen...platon. Igneous rock composed entirely of anorthoclase. [anorthoclase] (Loewinson-Lessing in 1901) anorthosite...bituminous substance found in the Sulphur Springs district of California. ]Dominique Franqois Jean Arago |  | | Catalog/List | | to translucent crystal group 2x2 inches (Hilton Mine Cumbria) £15 BARYTES small platy white-creamy crystals...(Witherite is a poisonous mineral) 5x3 £15 Settlingstones Mine , near Hexham Northumberland CACOXENITE golden micros...cacoxenite rich area on magnetite lxlxl .5 Levaeniemi Mine, Norbotten Sweden £6 CALCITE good covering of white...massive with a hint of crystalline structure Geevor Mine Cornwall 4x2 £15 lx2 £5 --- CERULEITE small blue...minor white Alumopharmacosiderite. (Emma Louisa- Mine, Guanco, Taltal Province, Chile) 2xl .5 £10 CERUSSITE |  | Dey, Payel, Ray, Jyotisankar, Pandit, Dinesh, Koeberl, Christian, Ganguly, Sohini, Chakraborty, Sounak, Ghosh, Mehuli, Ray, Indu (2020) Petrogenetic aspects and role of liquid immiscibility from parts of eastern Deccan volcanic province, India. Geological Journal, 55 (7). 5619-5638 doi:10.1002/gj.3704 | Journal (article/letter/editorial) | | University of Vienna, Vienna, Austria 4 Natural History Museum, Vienna, Austria 5 School of Earth, Ocean...pigeonite. Feldspars in majority are found to be anorthoclase (which are interpreted to have been formed during...Opaque phases have both oxide and sulphide, namely hematite, magnetite, martite, and pyrite, respectively...plagioclase, other feldspar data correspond to anorthoclase. 11.900 20.467 2.708 0.019 0.042 11.264...transferring all the materials into the rhodonite, and hematite, supplied by CAMECA-AMETEK were used watch glass |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...species as in quartz on calcite and rutile on hematite. Some faces attract overgrowth more than others...colouring of alternate faces of quartz by red hematite. -40- Old overgrowths may themselves be overgrown...as in malachite Reniform: kidney-shaped as in hematite Mammillary: breast-shaped as in spherulitic or...over its beer: to go underground in a non-working mine is sheer folly unless you are accompanied by someone |  | | Journal (issue) | | calcite; crystal aggregates 15 cm in size. Vеrklinii Mine, Dabugorsk, Pпmorskii Krai, Russia. Specimen: V...cassiterite (?), corundum, cristobalite, cuprite (x1), hematite (xl), iozite (wustite), maghemite, melanophlogite...members of the plagioclase isomorphous series), anorthoclase, orthoclase, microcline, saridine; zeolites...concentration of concentric-zonal oolites with a hematite—vernadite— rancieite—cryptomelane composition...amygdules and veins, quartzine, calcite, goethite, hematite, ß-tridyтite, a-cristobalite, pyrite, jarosite |  | | Journal (article/letter/editorial) | | intrusivebreccias,and multipleintrusionsof aplosyenite(anorthoclase, scapolite),hornblendite(diopside,magnesio-hornblende)... Intrusiverocksare abundantin the Bafq mining district. The metamorphosed mafic rocks and the gneissic...Bafq Holocenealluvium,sanddunes,playa-typemudand district(e.g., Iron Springs,Utah). The upwellingof saltfiats...theBafqmining Zariganis usedby shepherdsin the summertime district. Thereisnoreason to doubtthegeneration of only)...sketch mapoftheregionbetween ArizandZarigan. BAFQ DISTRICT, CENTRAL IRAN 1705 syenite,alkaligranite).The |  | | Journal (article/letter/editorial) | | Stephenson (1976) reported the occurrence of corundum-anorthoclase composite megacrysts and a number of euhedral...Tertiary volcanics and sapphires in the New England district of New South Wales revealed that sapphire-bearing...oxide, hematite, baddeleyite, quartz a 1) Nb-Ta oxides dominant. 2) Fe-Ti oxide and hematite as exsolved...alkali feldspar of composition in the range of anorthoclase is obtained. Microfractures in the host corundum...intensity, and are probably a mixture of predominantly hematite (Fe2O3), Fex S and other components. The presence |  | | Journal (article/letter/editorial) | | several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials...marcasite. A major mining district, the Upper Mississippi Valley zinc-lead district, was in these rocks in...and copper minerals were found. Mining in this district ceased in the late 1970s. A branch of the Middle...crystals and occasionally such other minerals as hematite roses, brookite, and rutile. The Wisconsin Magmatic...found there (Merge 1996). One deposit, the Flambeau mine near Ladysmith, has already been mined. Other deposits |  | | Book (edition) | | Negative Rhombohedron Positive Rhombohedron Hematite The general symbol of the rhombohedron form...is 74 55' and c = 0-854, while for Fig. 246 of hematite this = 1-366. Further, Figs. 246-251 show other... 99, p. 55). tive 257 255 Figs. 255, 256, Hematite Coquimbite 258 Eudialyte There is a very simple...gives the indices 221 for the face. To deter 192. mine, by plotting, the axial ratio of an orthorhombic...there is tion, as the crystals of rutile of hematite, axes of the former on tabular crystals Amphibole |  | | Journal (article/letter/editorial) | | highly altered “limonite” after siderite and hematite are also present (Zito and Hanson 2017). Helvinegroup...in crystallizing oxide phases, from siderite to hematite to “limonite.” Changes in the late-stage fluid...LAWRENCE COUNTY, NEW YORK. D. A. T. Lalonde, 5 Lead Mine Rd., Gouverneur, NY 13642. In the spring of 2016...Figure 1. Gold specimens from the Roraima Shield district, Bolivar, Venezuela, study of other Venezuelan...as 7:1–9. Volume 93, March/April 2018 263 ANORTHOCLASE SPHERULITES: A RARE AND LOST OCCURRENCE—ALKALI |  | | Journal (article/letter/editorial) | | member of the pumpellyite group, from the Kokuriki mine, Hokkaido, Japan K. TOGARI AND M. AKASAKA Department...network veinlets cutting hematite ore from the Kokuriki mine in the Tokoro district, eastern Hokkaido, Japan...Japan. Associated minerals are: hematite, piemontite, quartz, neotocite, bementite, apatite, Mn-oxides...okhotskite for the Sea of Okhotsk, along which the mine is located. K Eewo RD S: okhotskite, new mineral...Kokuriki mine. The mineral is named okhotskite for the Sea of Okhotsk, along which the mine is located |  | | Journal (article/letter/editorial) | | clinopyroxene, magnetite and plagiocfase with anorthoclase rims. Trachytes elsewhere in the volcano at...variable phenocryst content and different degrees of hematite alteration. We interpret the compositional differences...groundmass is granophyrically crystallized, and hematite staining is found along fractures and in patchy...cliff-forming ash flow tutf. In thin section it shows much hematite staining throughout and snowflake texture devitrification...flows provide strong evidence that rimmed by anorthoclase. the processes attendant with the origin of |  | | Journal (issue) | | abutting the 93 and 16/lOOths acre Mine Hill farm. The north half of Mine Hill farm was being operated by...been prominent in the former liti gation of the Mine Hill law suits. From knowledge thereby acquired...country ceased to flow. Modern mining methods at Mine Hill and Sterling Hill were not possible during...applied in the mining industry. The early mining at Mine Hill was confined to the southerly end of the ore...qualified him to meet the mining problems presented at Mine Hill. After much study, the stope slicing and top |  | | Journal (article/letter/editorial) | | xenolith exsolved into hercynite, magnetite and hematite during cooling. It includes minor anhedral jarositealunite...some places, feldspars including sanidine and anorthoclase (Barr and Macdonald, 1978, 1981; Vichit et aS...Phloi sapphire field in Kanchanaburi, the Denchai district in Phrae, and Ban Bang Kacha in Chanthaburi (Vichit...s Gtra Location CHANTHABURI PROVINCE Tha Mai District (The First or Western Zone) -Khan Phloi Waen-Khao...CHANTHABURI-TRATPROVINCES Khlung and Kriao Saming District (The Second or Middle Zone) -Bo Welu-Ban Si Siat-Tok |  | | Journal (article/letter/editorial) | | hemo-ilmenite (an exsolution intergrowth of Ti-rich hematite lamellae in a ferric-iron-rich ilmenite 1564...anorthosites contain ilmenite (nearly free of the hematite component) and rutile. In this paper, we review...or Cr. Of special note is the small amount of hematite component (,3 mol.% Fe2O3 throughout). Rutile...Consequently, neither normative magnetite nor normative hematite were formed. Instead, to accommodate the presence...oligoclase but close to the boundary of the anorthoclase field (Smith & Brown 1988). Also shown for comparison |  | | Catalog/List | | edenite or ferroedenite ✓767 ■■ 62 AJOITE Christmas Mine, Gila County, Arizona USA / ' Blue -green veinlets...1.5 inches across £10 766 ■■ DIOPTASE Christmas Mine, Gita County, Arizona ,USA Green elongated micro...£24 Hydrocarbon 1129 ■■ ALMANDINE Brastad iron Mine near Arendal ,Norway Rich fine grained mass like...crystal. ½"£6 5mm£3 · AgFeS 768 ■■ AXINITE Obira Mine, Oita Prefecture,Japan Brown mass, with one or two...1 ■ BANALSITE Benallt Mine, Lleyn, Wales rich brown mass with red-grey HEMATITE BaNnAISiO lxl £6 lx2 £12 |  | | Journal (article/letter/editorial) | | of the mineral deposits in the Elliston mining district in the northwestern part of the batholith and...of the batholith are recognized in the Elliston district, and numerous others are found in the northwestern...Mountain in the southern part of the Elliston district. Potassic feldspars are almost entirely restricted...chalcopyrite occur in the Monarch mine in the southern part of the Elliston district in veins in granodiorite...monzonite (Qm). In the leucocratic selvage, anorthoclase (A) is white, quartz and orthoclase are gray |  | Makovicky, Emil, Frei, Robert, Karup-Møller, Sven, Bailey, John C. (2016) Imperial Porphyry from Gebel Abu Dokhan, the Red Sea Mountains, Egypt Part I. Mineralogy, petrology and occurrence. Neues Jahrbuch f??r Mineralogie - Abhandlungen: Journal of Mineralogy and Geoche, 193 (1) 1-27 doi:10.1127/njma/2015/0289 | Journal (article/letter/editorial) | | Mn-epidote or piemontite (both rich in Mn3+) and a hematite dusting (dominated by Fe3+). Plagioclase relics...ilmenite-titanomagnetite; they recrystallized to hematite or hematite-magnetite mixtures. The rocks are not pervasively...greenschist facies, manganian epidote, piemontite, hematite, Cosmatesque mosaics. Introduction: exploitation...containing apatite, magnetite, and perovskite (!). Fine hematite pigment and ‘withamite’ were deemed to be secondary...veinlets, as well as dusting composed of minute hematite grains. All mineralogical observations quoted |  | | Journal (article/letter/editorial) | | Quartz Orthoclase, microcline, microperthite, anorthoclase, etc. (Kf) (Plag) The whole isomorphous Ab-An..."ores" (magnetite, ilmenite, chromite, pyrite, hematite, etc.) Cassiterite Garnet Minor Primary epidote...in a single family, but classifies the various hematite, ilmenite, magnetite, etc., ores as subfamilies...is orthoclase, microcline, microperthite, or anorthoclase. This content downloaded from 154.059.124.102...esmeraldite to rocks from the southern Klondike district, Esmeralda County, Nevada, which consist only |  | | Journal (article/letter/editorial) | | soils developed on a decantation bank from a copper mine Beatriz Cerqueira a, Flora A. Vega a, Luis F.O....deposit and on the nature of the minerals. At Touro mine (NW Spain) there is a large area covered by tailings...of jarosite, the formation of nanocrystals of hematite, goethite, hydroxypolymers, and amorphous minerals...between 1970 and 1986. In the early 1980s, the copper mine of Touro (A Coruña, Spain) was closed due to the...falling copper prices throughout the world. The mine is no longer of economic interest for copper production |  | | Journal (article/letter/editorial) | | than in in diameter and is coarse grained, anorthoclase, rals, and albite Sometimes length the... (2Vƒ¿=87•‹, and found. zoned. obscure. Anorthoclase augite zone. contain Contaminated in inner...essentially is law rim and 2VƒÁ=54•‹-52•‹in anorthoclase. reaction 11 reaction prismatic, The groundmass...Petrology diameter 10). seen. and but than mine are phenocrysts are short less are prisma ...43•‹-46•‹. The than coarse and opaque opaque anorthoclase, groundmass Carlsbad is law 40) short is |
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