 | | Journal (article/letter/editorial) | | the manganese concentrations St. Marcel-Praborna, Aosta Valley, Italy: petrology and crystal-chemistry...0.2 Sb 5§ per O = 2) from St. Marcel-Praborna in the Aosta Valley, Italy, were re-examined. These compositions...rom6ite, crystal-chemistry, petrology, St. Marcel-Praborna, Italy. Introduction Tins article examines in...manganese concentrations at St. Marcel-Praborna, Val d'Aosta, Italy. A substantial bibliography concerning...at all T at P < ~ 50 kbar since the polymorphs anatase and brookite are considered as metastable phases |  | | Catalog/List | | grey mass with Actinolite, large 2x3 inch ..Bastnas Mine Sweden £30 12. SCAPOLITE completely clear single...small quartz crystals, possibly some with faces. lxl Mine, Washoe County Nevada USA £30 Olinghouse ......on lxl inch matrix Arizona USA £18 · Inspiration mine, Gila County, 21. HAMBERGITE chalky-white crystalline...tabular twinned crystal about 1cm size ( Telino Mine, Linopolis, Minas Gerais Brazil) £25 . 1'fa Be PO4...TITANITE variety "Greenovite" (Praborna Mine, St Marcel, Aosta Italy) pink vein about 3mm wide and 3cm |  | | Catalog/List | | 2x2£10 ___ NaCaSi ½x 1/,£2 lx2£5 lxl£3 _F _ _ _O ANATASE Tyssc. Hardangcr,Norway 723 AKAGANEITE Nandan Mctcroite..._ _____ _ JO ALBERTITE near Dingwall Scotland ANATASE Cuiba district, Gouveia Minas Gerais. Brazil 28...2 --------2x2£2 4 Hydrocarbon £20 -- --ALBITE ANATASE Lauvland, Frigstad, Evjc Norway 933 Hingston Quarry...lx2 £2 lxl£3 2x2£12 lx2£5 lxl £1 ----· Hawkswood Mine, Cornwall ANDALUSITE Cabracao, Minl10, Portugal...Andalucia Spain. Type Location New East Whcal Russell mine, Devon ,England 140 grey bleby small botryoidal |  | Černý, Petr, Chapman, Ron, Simmons, William B., Chackowsky, Leonard E. (1999) Niobian rutile from the McGuire granitic pegmatite, Park County, Colorado; solid solution, exsolution, and oxidation. American Mineralogist, 84 (5) 754-763 doi:10.2138/am-1999-5-607 | Journal (article/letter/editorial) | | oxidation converted the mineral assemblages to anatase + hematite + titanian-tungstenian ixiolite; primary...primary ilmenite was oxidized into an anatase + hematite intergrowth. In both cases, the hematite component...compositions of rutile, titanian columbite, ixiolite, and anatase, the cation contents of all four phases are normalized... and per two unit cells (ap2uc) of rutile and anatase. Cation contents of other phases are given per...extensively replaced by skeletal aggregates of anatase with scattered interstitial micrograins and round |  | | Catalog/List | | crystals on dar~ matrix. (not radioactive) (Leonie Mine, huerbach, Oberpfal Genany) Sto 10mmf3 l/2in;; ES...Silicate pinkish massiv~ with black Allanite (Bastnas Mine, Riddarhytt2n Vastm~~l2nd,Sw2deri) Cu/2 Se 039...(Ti Nb 0 rich black nasses in matrix (Karnasurt Mine, Revda, Kola Peninsula, Russia) lxl E2.50 lx2 ins...PO/~ • yellowish plates on mauvEUssingit~ (UmDa Mine, Reuda, Kola Peninsula • Russia) (6a pure plate...Group) rich fawnmassive. Xrayed meial. (Sjogruvan Mine, Grythyttan, Sweden) lxl fl.50 lx2 E3 2x2 E6 053 |  | | Journal (article/letter/editorial) | | he co-authored the book Micro Minerals of Mont Saint-Hilaire, Québec with Dr. Robert Fisher (1923–2000)...been set up with a field trip to the Bagdad Chase mine on Sunday morning, but it was decided later to shorten...proceed further. While at a volcanology meeting in Italy, Bill met Prof. Glovanna Vazzalini at the University...held forth on Mineral Collecting in Germany and Italy. An audience member noted that his scenic photography...comparing some of its minerals to those from Mont Saint-Hilaire. Julian Gray followed with a report on the |  | Agangi, Andrea, Reddy, Steven M., Plavsa, Diana, Fougerouse, Denis, Clark, Chris, Roberts, Malcolm, Johnson, Tim E. (2019) Antimony in rutile as a pathfinder for orogenic gold deposits. Ore Geology Reviews, 106. 1-11 doi:10.1016/j.oregeorev.2019.01.018 | Journal (article/letter/editorial) | | ranodiorite (TTG) intrusions, such as the Kaap Valley Tonalite (Kamo and Davis, 1994). All major greenschist-facies...approximately 1 µm size. The TiO2 polymorphs rutile, anatase and brookite can have different trace element compositions...from other TiO2 polymorphs, such as brookite and anatase. In all the samples, rutile is the only polymorph...Morad, S., 1986, SEM study of authigenic rutile, anatase and brookite in Proterozoic sandstones from Sweden:...Tungsten-bearing rutile from the Kori Kollo gold mine, Bolivia: Mineralogical Magazine, v. 62, p. 421-429 |  | | 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...50 2x3 £6.50 Feldspar 963 ALBITE Maine USA 811 ANATASE Tysse, Hardanger,Norway variety CLEA VELANDITE...~-------·-·-- ·· -·· 1077 ■■ ALLOPHANE Hawkswood Mine, Cornwall 933 ANATASE Hingston Quarry,Cornwall Black micro |  | | 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...£4 10 Ill ALBERTITE near Dingwall Scotland 811 ANATASE Tysse, Hardanger,Norway rich black mass, mostly...- . - ------------6 ALBITE Kragero Norway 933 ANATASE Hingston Quarry,Comwall Black micro crystals in...North Sweden 501 ALLOPHANE New East Whcal Russell mine, Devon ,England variety VIRIDINE (Mangan rich variety) |  | | Catalog/List | | Vetralla Italy) Ixlins £4.50 396 TORBERNITE Cu UO PO/4 slightly radioactive. (Old Gunislake Mine Cornwall)...Phlogopite Mica. (Possibly slightly radioactive)(Palabora Mine,S.Africa lxl £5 1x2 £10 WITH UNUSUAL ELEMENTS...sections in matrix with Eudialyte.Rare not Rich (Umba Mine,Lovozero Massif,Kola Russia) lxl £4 1x2 £7.50 239...silvery areas in matrix with Tellurite. (La Bambolla Mine Moctezuma, Sonora Mexico) lxl £10 14 x 54 ins £5...CO/3 0 Quite rich yellow crusts on matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) lx)4ins |  | | Journal (article/letter/editorial) | | geochemistry of their TiO2 polymorphs (rutile, anatase, and brookite) were investigated, and their potential...element geochemistry of Segura’s alluvial rutile, anatase, and brookite is highly variable, implying multiple...Fe, 1.7% Ta, 1.2% Nb, 1.1% W 0.5% Sn and V in anatase, were registered. Brookite usually has low trace...distribution maps show pronounced negative Sn (rutile+anatase) and W (rutile) anomalies linked to hydrothermal... Titanium dioxide (TiO2 ) polymorphs (rutile, anatase, and brookite) are common accessory minerals that |  | | Catalog/List | | matrix hl !3 5 AGARDITE (Ce) r ...fe green micro's Mine, Wolf;_n, West Germany) 'h ins f.3. 60 6 ALBITE...fi1icaeousscales on matrix a (St M~rcel, Val d'Aosta Italy) W 1J:1 7Cp 1x2 f 1. 30 2x2 :t3. 00 brc~n ~~ss...yellow pea size masses &crusts on Quartz (les Anglais Mine, Massiac,Brouse France) lxl 60p 1x2 fl.10 56 BIOTITE...61 BORNITE rich purple mass in matrix.(Gortdrum Mine, Tipperary S.Ireland) location closed. lxl 50p 1x2...BOULANGERITE grey masses in and on matrix.(Melba Mine, N.E.Dundas Tasmania) lxl !1.90 1x2 !4.00 64 BOULANGERITE |  | | Catalog/List | | the last large catalogue. (84) New Minerals ANATASE TiO/2 44 ANDRADITE garnet group 732 APATITE Single...mass. small pale blue crystals on matrix. Benallt Mine,Lleyn ,Wales lxl £5 lx2 £8 Parclho, Pariba,Brazil)...Parnmirim Region, Agua Quen1a,Bal1ia, Brazil Benallt Mine, Llcyn Wales A)£3 B) £5 3mm £4 5mm £6 lxl £6...micros gemmy yellow-green crystal section. Bcckermet Mine. Cumbria lxl £2 131 40 BARYfES 211 BRAZILIANITE...Goldstrike Pit, Elko,Nevada. U.S.A Divino des Laranjeiras Mine, Minas Gerias,Brazil Magnet Cove,Arkansas,USA ½ |  | | Catalog/List | | matrix mostly with Alstonite micro's (Fallowfield Mine, Hexham) 1 x ~ ins El.50 lxl E3 lx2 ES 072 BISHUTHINITE...Pb Sb O OH yellow masses on Quartz. (Trevinnick Mine, near Port Issac Cornwall) lxl .El lx2 El.90 504...species) green crusts on rock. (Childs Aldwinkle Mine, Pinal County, Arizona USA\ lxl E3 lx2 f5 2x2 ElO...Fe)/12 As/4 S/13 qrey metallic mass in rock. (Go tdru Mine, Tipperary,Ireland) iine closed some ears ago. 1...Pb/2 Cr0/4 O e alczo ted pots i1.(Potter CI r Mine -kOlA .11:i na) IT! attractive orange ro crystals |  | | Catalog/List | | Pb Te minute silvery apots in lca matrix (HillTop Mine. OrganHountains DonaAnnaC-Ounty,NewMexico) u OSSBIMDHEIHITE...in dolomite. Minor Realgar (LengenbachHine. Binn Valley Swltzerland) ins E4.50 163 GALEHA Lead Sulphide...Rich ycllow to brownmasseswith Cerussite. (Terrible Mine, Isle Colorado, USA)2x2cmEl5 lCII(10 less rich lem...limonitic matrix. with Barytes Crystals • (BrandyBottle Mine, Yor~shire) quite rich assemblage lx2 ES 238 DESCLOIZITE...in one small area on blue Chrysocolla. (Eagle Eye Mine, La Paz County, lrrizona ,USA) lx2ins f.4.50 l'i6 |  | | Journal (article/letter/editorial) | | Adirondack highlands and flowed down along the Sacandaga valley. Underlying rock types of this glacier were therefore...are kyanite, amphibole, chlorite, and brookite/anatase. This translates into a zircon/rutile ratio of...Can. J. Earth Sci. 33, 1612 – 1627. Bohlen, S.R., Valley, J.W., Essene, E.J., 1985. Metamorphism in the...Tungsten-bearing rutile from the Kori Kollo gold mine, Bolivia. Mineral. Mag. 62, 421 – 429. Sircombe...manganese concentrations at St. Marcel-Praborna, Aosta Valley, Italy: petrology and crystal-chemistry |  | | Journal (issue) | | Articles Large barite crystals from the Elandsrand gold mine, South A fr ic a ................................. Lyckberg Prehnite from La Combe de la Selle, Saint Christophe-en-Oisans, Isere, France...............Paterson (NJ), Brumado district Museum, Himalaya mine $10 (Brazil), Bosch Collection $10 v.9/#5 Turkish...(PA-MD), Mcguinnessite v Pereta Mine (Italy), Cetine Mine (Italy) v Mineral Fraud, LeadhillsWanlockhead...$10 v .15/#5 Jacupiranga mine (Brazil), Jensen quarry (CA), Cunha Baixa mine, Paulkerrite $10 .16/#4 |  | | Catalog/List | | South Larvik near CITE 13ratthagcn, ANAL 1098 Ojucla Mine, Mapimi, Mexico ADAMITE 88 Unusual rich yellow vitreous...wove. Ca Fe P0/4 ½x 1/,£2 Ix ½£4 lx2£5 Ix! £3 ANATASE Tysse, Hnrdanger,NorwaY AKAGANElTE Nandan Meteroite...TiO FcO OH a £5 3mm£3 Quarry.Cornwall Hingston ANATASE 933 Yakutia,Russia ALABANDffE 15 Black micro crystals...black-brown cleavage Ti0/2 Mn S 1.5cm£4 5mm£2 ANATASE Virtuous Lady mine,Devon 26 ALBITE Kragcro Norway 6 single...mass Cc Ca Y Al Fe SiO 2x2 £12 lx2 £6 Dark Star Mine,Ravalli County, Montana U,S_A ANCYLITE Cc Rich pinkish |  | | Journal (article/letter/editorial) | | Ferromagnetism and structure of epitaxial Cr-doped anatase TiO2 thin films. Physical Review B, 73, 155327...manganese concentrations at St. Marcel-Praborna, Aosta Valley, Italy: petrography and crystal chemistry |  | | Book | | Guastoni; Roberto Appiani. Originally published: Italy : Mondadori, 2003. [256] p. : col. photos. ; cm...CAPTIONS Page 1: Cuprite crystals from the Ray mine, Arizona Pages 2-3: Liroconite from PERFECT CLEAVAGE...from the Susa Valley, Piedmont, Italy Pages 8-9: Beryl from the Codera Valley, Lombardy, Italy Pages 42-43:...Pages 50-51: Tetrahedrite and realgar from the Binn Valley, Switzerland Pages 70-71: Fluorite crystals from...Mount Bregaceto, Liguria, Italy Pages 104-105: Azurite crystals from Sardinia, Italy Pages 118-119: Boracite |  | Dill, Harald G., Weber, Berthold, Melcher, Frank, Wiesner, Werner, Müller, Axel (2014) Titaniferous heavy mineral aggregates as a tool in exploration for pegmatitic and aplitic rare-metal deposits (SE Germany) Ore Geology Reviews, 57. 29-52 doi:10.1016/j.oregeorev.2013.08.023 | Journal (article/letter/editorial) | | rivulets Magnetite, ilmenite (pyrophanite), rutile, anatase, Stability field of hematite columbite (only...Gneiss, granite, quartz veins “leucoxene” and anatase Fluvial placer Naab-River drainage Tributary...minerals at their edges or along fissures, such as anatase (only found as isolated grains in the stream sediments...pseudorutile and the absence of TiO2 components such as anatase or brookite stress an Eh b 0 in the source rock...present in the HM aggregates, whereas brookite or anatase, typical of supergene processes involving the migration |  | | Journal (issue) | | Donato, Italy macco.marchesini@agip.it Renato Pagano Casella Postale 37 1-20092 Cinisello, Italy renpagan@tin...Province, Northern Italy. 1— Cassagna mine 2—Gambatesa mine 3— Molana quarry 4— Molinello mine 5— Monte Bardeneto...Bianco copper mine 7— Monte Bossea mine 8— Monte Coppello-Reppia prospect 9— Monte Porcile mine 10— Nascio...Nascio 11—Scrava mine 12— Pontori Prospect h CD ^ .L IG iU R IA f \ ( I A X , X. LA SPE^IA [ / ,...manganese district of Val Graveglia in northern Italy produced over one million tons of high-grade ore | | | Book | | Guastoni; Roberto Appiani. Originally published: Italy: Mondadori, 2003. (256} p. : col. phptos. ; cm....mineral; it is expressed on a scale from 1 to 10. Ray mine, Arizona Pages 2-3: Liroconite from Cornwall, England...the Susa Valley, Piedmont, Italy Pages 8- 9: 13eryl from the Codera Valley, Lombardy, Italy Pages 42-...50- 51: Tetrahedrite and realgar from the Binn Valley, Switzerland Pages 70-71: Ruorite crystals from...Mount Bregaceto, Liguria, Italy Pages 104-105: Azurite crystals from Sardinia, Italy Pages 118-119: Boracite |  | | Catalog/List | | black masses i n green A c t i n o l i t e (Bastnas Mine, Riddarhyttan Sweden) lx1 £1.10 010ALMANDINE F...red micaeous masses on matrix (Praborna Mine,St Marcel, Val d ' Aosta I t a l y ) lx1 70p 1 x 2 £1.30...i c h fawn massive. Xrayed material. (Sjogruvan Mine, Grythyttan , Sweden) lx1 £1.50 1 x 2 £3 2 x 2 £6...masses on Hidalgoite rich matrix. (Gold H i l l Mine,Tooele County, Utah, USA) lx1 £2.50 1 x 2 £5 223ARSENIC...223ARSENIC NATIVE A s Rich black mass with Stibnite (Kusa Mine, Bau, Sarawak, Borneo) lx1 £2.50 1 x 2 £5 2 x 2 |  | | Report (chapter) | | Milano-Bicocca, Piazza della Scienza 4, 20126 Milano, Italy *Corresponding author (e-mail: eduardo.garzanti@unimib...minerals. Note the marked differences in rutile, anatase and brookite spectra. mineralogical species even...E. GARZANTI 570 457 CLINOZOISITE 421 Beura, Italy ALLANITE Brahmaputra River, Bangladesh (SA1_J_Czo)...d’Ayas, Italy (SA1_D_Ep) (SA2_H_Zo) Intensity 603 276 Intensity EPIDOTE Valle d’Antrona, Italy 427...PIEMONTITE 916 VESUVIANITE Praborna, Italy Dosso degli Areti, Italy (SA1_I_Pie) (SA1_M_Ves) 868 |
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