 | | Journal (issue) | | and a History of Emerald Mining in Habachtal, Austria Duncan Pay FEATURE ARTICLES p. 300 292 Blue...of Emerald Mining in the Habachtal Deposit of Austria, Part I p. 347 Karl Schmetzer Contributes to...green diamond âą Rainbow graining in diamond âą Monazite (?) in quartz âą Spiral nacre in natural pearl...sales of pink and blue diamonds from the Argyle mine âą Chalcedony-epoxy composite imitation of âcandy...and a History of Emerald Mining in Habachtal, Austria Welcome to the Winter 2021 issue of Gems & Gemology |  | | Journal (article/letter/editorial) | | geochronology of gold-related hydrothermal xenotime and monazite supports structural studies that gold mineralization...Physics, University of Salzburg, Hellbrunnerstrasse 34, 5020 Salzburg, Austria 2 Centre for Exploration...between c. 2.65 Ma in the east (including Laverton District, Kurnalpi Terrane) to c. 2.63 Ma in the west (including...in particular UâPb dating of alteration-related monazite and xenotime, as well as Re/Os dating of molybdenite...younger gold lodes at deposits in the Laverton District. For example, at Granny Smith, early gold-poor |  | | Journal (article/letter/editorial) | | MINES AND MINERALS OF AUSTRIA By P H I L I P M O R R I L L EastDerry, N. H. 03041 This data was accumulated...These operations are on leased land and trips to Austria. While it may be the most not open to the general...two or more until a more rounded text results. Austria is defined here as what is localities. presently...mineral museums of torically, within recent times, Austria in which the best is the Natural History cluded...Nature Geologically, it has a beautiful sim in Salzburg has a fine collection which is plicity. There |  | | Journal (article/letter/editorial) | | support alteration via serpentinite-derived ïŹuid. Monazite in schist from one shear zone yields spot dates...or chlorite schist; accessory minerals, such as monazite, rutile and apatite, are also locally enriched...composed of serpentine with narrow rims containing talc ± carbonate. Tremolite appears in the easternmost...easternmost PïŹtsch region and wider rims of tremolite ± talc ± phlogopite develop around the serpentinites in...margins of this serpentinite body are dominated by talc ± tremolite, but the interior is largely composed |  | | Journal (article/letter/editorial) | | 429 Arsenopalladinite, from the Cau~ iron mine, Itabira District, Minas Gerais, Brazil, 455 ARSLAN,M., 750...kintoreite, a new mineral from Broken Hill, 143 AUSTRIA, deposition and transport of gold in the Veitsch... palladium minerals from the Cau8 iron mine, Itabira District, Minas Gerais, 455 BRIGATrl, M.F., 149...Y., 273 CI-mRNYSrmVA,I.V., 79 CHINA, ultrahigh-P talc-bearing eclogite assemblages from, 93 Chlor-apatite...transport of gold by thiosulphates in Veitsch, Austria, 253 Diaspore, local density approximation and |  | | Book | | examples for the hardness tests is as follows: 1. talc 6. orthoclase felspar 2. gypsum 7. quartz 3. calcite...sound when hit with a hammer. Soft minerals like talc or graphite split into powder under a hammer blow...physiological properties as the feel. Graphite and talc, for instance, feel greasy and smooth in the hand;...interesting minerals can also be found on heaps of mine refuse, but never enter abandoned shafts or caves...SAPONITE Mg;[(OH)> A1Si30;0] . nH2O (Soap-Stone) talc, pyrophyllite Faroes, Nolsoy, Denmark in quartz |  | | Book | | (Abforming durch AusfuÌllung); e.g., the famous talc pseudomorphs after quartz crystals from GoÌpfersgrun...malachite after azurite b. taking up a component; e.g., talc after quartz c. replacement (austausch) of a component;...and temperature and for what fluid compositions monazite may be induced to crystallize from FAP, the light...1 and 2 N HCl and H2SO4 (Harlov et al., 2005). Monazite crystallized in the FAP ĂŸ H2O, FAP ĂŸ 40/60 CO2/H2O...KCl brine experiments. At 900 C and 1000 MPa, monazite formed as inclusions within the FAP together with |  | | Report (issue) | | Asia: Pakistan, Afghanistan and India .......6 0 Old Mine Emeralds . . . . . . . . . . . . . . . . . . . ...Maharajahs and Maharanis held large emeralds (see "Old Mine Emeralds" page 62). The Color of Islam Emerald...world such as the Art History Museum in Vienna (Austria) and the Kremlin in Moscow (Russia). The Museo...zone in the Muzo Coscuez-Pefias Blancas mining district. They are disseminated in black shales or albitized...carbonates and beryl, but also include bitumen, pyrite, monazite, K-feld spar, epidote, zircon and apatite (Ohnenstetter | | | Book | | hardness tests is as 6. orthoclase felspar follows: 1. talc 2. gypsum 7. quartz 8. topaz 3. calcite 4. fluorite...sound when hit with a hammer. Soft minerals like talc or graphite split into powder under a hammer blow...physiological properties as the feel. Graphite and talc, for instance, feel greasy and smooth in the hand;...interesting minerals can also be found on heaps of mine refuse, but never enter abandoned shafts or caves...pyrite, dolomite, etc. pyrophyllite, kaolinite TALC Mg [(OH):Si|0,oJ (Soap-Stone, Steatite) Providence |  | | Book | | Sodium sulfate 122 = 130 Iodine 138 Sulfur Talc 260 265 274 Vermiculite 145 Magnesite & magnesia...major producing districts, or a representative district if there are many. We name the chief mining companies...supply must come not merely from one district but from a single mine. Thus the physical properties of many...minerals as diverse as sylvite and feldspar. Mica and talc may be micronized, i.e. subjected to ultra-fine...highly competitive. Materials used include kaolin, talc, calcium carbon- ate, mica, wollastonite and other |  | | Journal (article/letter/editorial) | | (Sverige) Aln6 lsland, titanomagnetite, 265 Brattfors mine, Nordmarks Odalffalt, Viirmland, manganhumite, katoptrite...Gutter, Brook, Hampshire, glauconite, 373 Mill Close mine, Darley Dale, Derbyshire, corundophilite, I7I Seathwaite... 373 Turf Pits mine, Grassington, Yorkshire, spencerite, I76 Cornwall Botallack mine, digenite, I72 Carn...pseudomorphous after analcime, 245 INDEX Geevor mine, neotocite, 279 and M26 Luxulyan, luxullianite (in...apatite, hornblende, diopside, 427 South Terras mine, St. Stephen-in-Brannell, francevillite, I72 Stamps |  | | Book | | SimEle tes ting devices 1 2 3 4 5 6 7 8 9 10 talc gypsum calcite fluorite apatite orthoclase quartz...in: Harz mountains, Thi.iringia/Germany; Tyrol/Austria; Alsace, region around Paris/France; Tunisia; Morocco;...Similar to: anhydrite, gypsum, calcite, marble, talc, muscovite, brucite, glauberite, celestite. Artinite...dolomite, natrolite, serpentine. Found in: Steiermark/Austria; Lombardy/Italy; California, Nevada, Pennsylvania/USA;...n1agnesite, periclase, serpentine, talc. - Found in: Steiermark/Austria; Trient/ltaly; Sweden; Quebec/Canada; | | | Book | | Mineral SimEle testing devices 1 2 3 4 5 6 7 talc gypsum calcite fluorite apatite orthoclase quartz...Similar to: anhydrite, gypsum, calcite, marble, talc, muscovite, brucite, glauberite, celestite. 1 â...magnesite, periclase, serpentine, talc. - Found in: Steiermark/Austria; Trient/ltaly; Swed.en; Quebec/Canada;...alunite, chlorite, gibbsite, gypsum, pyrophylite, talc, muscovite. ,-- -------~ 34 pharmacolite pg. 4...Lower Saxony, Magdeburg/Germany; Salzkammergut/Austria; Alsace/France; Caspian Sea; Turkey; Iran; Utah | | | Book | | Mineral Simple testing devices 1 2 3 4 5 6 7 8 9 10 talc gypsum calcite fluorite apatite orthoclase quartz...Harz 54 mountains, Thuringia/Germany; Tyrol/Austria; Alsace, region around Paris/France; Tunisia; Morocco;...Similar to: anhydrite, gypsum, calcite, marble, talc, muscovite, brucite, glauberite, celestite. 7 â...dolomite, natrolite, serpentine. Found in: Steiermark/Austria; Lombardy/Italy; California, Nevada, Pennsylvama/USA;...magnesite, periclase, serpentine, talc. Found in: Steiermark/Austria; Trient/Italy; Sweden; Quebec/Canada; | | | Book | | SCALE Mohs' hardness l 2 3 4 5 6 7 8 9 10 Mineral talc gypsum calcite fluorite apatite orthoclase quartz...in: Harz mountains, Thi.\ringia/Germany; Tyrol/Austria; Alsace, region around Paris/France; Tunisia; Morocco;...Similar to: anhydrite, gypsum, calcite, marble, talc, muscovite, brucite, glauberite, celestite. 7 â...natrolite, serpengra~ 1 â tine. Found in : Steiermark/Austria; Lombardy/Italy; California, Nevada, Pennsyl- vania/USA;...chlorite, dolomite, magnesite, periclase, serpentine, talc Found in: Ste1ermark/Austna, Tnent/ltaly, Sweden |  | | Journal (article/letter/editorial) | | nepheline, and aegirine with minor haĂŒyne, leucite, monazite, and zircon. Arisite-(Ce) occurs in 0.1 mm to...piemontite. In addition, manganiandrosite-(La), zircon, monazite-(La), xenotime-(Y), chernovite-(Y), Nd-rich chernovite-(Y)...anorthite, sericite, clinochlore, chernovite-(Y), and monaziteâgasparite group minerals. Arsenoflorencite-(La)...StrĂĄĆŸ and OseÄnĂĄ deposits, North Bohemian Uranium District, Liberec Region, Bohemia, Czech Republic. Here...the pavonite homologous series, from Erzwies, Austria. Can. Mineral., 48, 467â481. 940 NEW MINERAL |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...dominant rareearth element (REE). e.g. monazite-(Ce), monazite(Nd), etc. In a few cases a similar procedure...reflected light (e.g. micas). or flexible (e.g. talc) minerals. In crystal optics for reflected light...ability of a mineral to scratch another one: 1 - talc, 2 - relative ability of an opaque mineral to reflect...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | | Journal (article/letter/editorial) | | microscopy, 453; -and ZUSSMAN (J.), The unit cell of talc, IO7 Alabandine, I.R. spectrum, 277 and MI7 ALABASTER(C...St. Just aureole, Cornwall, 427 Alice Mary copper mine, W. Australia, lavendulan, 369 Alkali feldspar,...breakdown product of staurolite from Donegal, 237 Auburn mine, Michigan, stilpnomelane, 36I and M37 Augite, Turkey...anal., opt., sp. gr., X-ray, I79 Bali Low copper mine, Capricorn Range, W. Australia, lavendulan, 369... Larne, Co. Antrim, tobermorite, 229 Bambollita mine, Moctezuma, Sonora, Mexico, tlapallite, 183 Ban |  | Downes, Peter J., DemĂ©ny, Attila, Czuppon, György, Jaques, A. Lynton, Verrall, Michael, Sweetapple, Marcus, Adams, David, McNaughton, Neal J., Gwalani, Lalchand G., Griffin, Brendan J. (2014) Stable HâCâO isotope and trace element geochemistry of the Cummins Range Carbonatite Complex, Kimberley region, Western Australia: implications for hydrothermal REE mineralization, carbonatite evolution and mantle source regions. Mineralium Deposita, 49 (8) 905-932 doi:10.1007/s00126-014-0552-1 | Journal (article/letter/editorial) | | exploration has focussed primarily on the secondary monazite-(Ce)-rich REE and U mineralization in the oxidized...shear-zone hosted lenses of apatiteâmonazite-(Ce) and foliated monazite-(Ce)âtalc rocks (â€âŒ25.8 wt% total rare...calcite, parisite-(Ce) and synchysite-(Ce) replace monazite-(Ce) after apatite. Primary magmatic carbonatites...stable isotopes . Phoscorite . Clinopyroxenite . Monazite-(Ce) . Kimberley Introduction The Neoproterozoic...P2O5 and 145 ppm U3O8 (Kimberley Rare 2012). This monazite-(Ce)-apatite-rich secondary ore largely formed |  | | | | mizzonite 114 molybdates 55, 63 molybdenite /6, 17 monazite 65 monheimite 41 mordenite 119, /2/ morenosite...rutherfordine 53 linarite 59, 60 liroconite 74 talc 102 talc, precious 104 orthite 88 orthoclase 93, 95...especially near Kimberley); diamonds from the Kimberley mine are embedded in ultrabasic blue rock called kimberlite...carats, equal to 621 grams) was found at the Premier Mine; named the Cullinan diamond, it was presented to...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite, |  | | Report (issue) | | of the Cartersville district has been worked out by the senior writer. The district is in the southeastern...the yellow ocher deposits in the Cartersville district is a direct replacement of the silica in the Weisner...constituents. With reference to the barite occurring at the mine of the Peruvian Ocher Company, at the wooden bridge...relations of the iron ores In the Cartersville district, Georgia: Trans. Am. Inst. Min. Eng., vol. 30...Atlantic Railroad, averages about 4 per cent. In this mine, however, and for the purpose for which the product |  | | Journal (issue) | | Bastnas Mines, Riddarhyttan Ore Field, Bergslagen District, Vastmanland, Sweden ........... 187 by L. Ohman...IIMORIITE-(Y) crystal, 2 mm-All from the Trimouns talc quarry near Luzenac, France (see the article beginning...BASTDAS ffiIDES RIDDARHYTTAD ORE FIELD, BERGSLAGED DISTRICT, VASTffiADLADD, SillEDED Lennart Ohman Hi:igviltsvagen...dumps, about 30 meters from the Sankt Goransgruvan mine. The zone contained many cerium minerals, as well...I (Gustav Vasa). The last active iron and copper mine, Biickegruvan, was closed by its owner, Fagerstabruk |  | | Journal (article/letter/editorial) | | of black, crystallized ferberite from the Conger Mine, near Nederland, Boulder Co., Colo. It is good to...Monument of Saguache and Alamosa Counties, Colo.âmonazite, garnet, chlorite, pyroxene (augite, diopside...Can anyone supply information on the occurrence? District oĂ ColumbiaâOn a recent visit to Washington, the...Hampden Co., Mass. The best specimens occur at the Old Mine. MichiganâA nice dark grayish cephalopod from the...quartzite have been collected in the Pilot Mountain district, Mineral Co., Nev. New HampshireâA nice specimen |  | | Journal (article/letter/editorial) | | omitted from locality information. Where lot and district numbers are given, it is necessary to use topographic...the photographs. Baldwin County Milledgeville districtâbetween the State Sanitarium and the Oconee River:...propertyânear Commerce: ferrocolumbite (Cook, 1978). Lula districtâStandridge property, about 7.0 km east of Lula:...Calgary] at 09:55 07 August 2017 Barrow County Arnold mineâ1.6 km northeast of Statham, near the head quarters...(chryso lite, olivine) (Teague, 1956). Jefferson districtâ9.7 km southwest of Jefferson on S.R. 11, northwest |  | | Journal (article/letter/editorial) | | have also been mined in Afghanistan, Australia, Austria, Bulgaria, China, India, Madagascar, Namibia, Nigeria...occurrence in Canada, the Muzo mine in Colombia, the Mohmand district in Pakistan, and Norway. Beryl...to 0.02% were of gem-quality. 89 Since then the mine has been re-opened and closed several times (Walton...al., 2002). Australia's most productive emerald district is a 10 km2 area around the village of Poona in...from the Wodgina tantalum mine in Western Australia (Schwarz, 1991). 5.3. Austria The emerald deposit at |
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