 | | Journal (issue) | | special issue, Minerals of the Peak District, jointly with the Peak District Mines Historical Sociecv, che...Cornwall and Devon, the Lake District, the Caldbeck Fells and the Peak District. Richard Bevins' ~1ineralog)...mineralo~y of a whole country. We congratulate Richard on an excellent publication and look forward co the time...in Keble College on Friday and Saturday nights. As an added bonus, the Oxford mineral show will take place...the small nodules and appear to be associated with an indistinct carnallitc (KMgCl3.6H20) band which occurs |  | | Journal (article/letter/editorial) | | Mineralogy PNology © Springer-Verlag 1997 Printed in Austria Petrogenesis of rare-element pegmatites in the...typically zoned and possess an inner quartz core, or a series of cores, an asymmetrical intermediate zone...muscovite, quartz, microcline and minor plagioclase, and an outer border zone of fine- to medium-grained microcline...suggest a sequence of hydrothermal transformations in an oxidising, low-temperature environment (< 250°C)...this succession is the decrease in Mg and Ca, and an increase in Fe3+/Fe2+, Mn3+/Mn2+, and H20. High aHF |  | | Report (issue) | | localities. For these reasons, it was decided to adopt an •environmental' approach to describing the known...Victorian mineralogy. We hope it provides collectors with an appreciation of the link between a particular mineral...the analytical workProfessorAllanWhitekindlyread an early draft of the chapter on phosphates in the granitic...CharlesLightfootprovidedhistoricalinformationon the Lake Boga quarry, as did Stephen Pritchardon the WycheproofQuarry...phosphatemineralswas facilitatedby an X-ray diffractometerobtained through an ARC equipmentgrant to Dr Bill |  | Birch, William D., Pring, Allan, Bevan, D. J. M., Kharisun, (1994) Wycheproofite: a new hydrated sodium aluminium zirconium phosphate from Wycheproof, Victoria, Australia, and a new occurrence of kosnarite. Mineralogical Magazine, 58 (393) 635-639 doi:10.1180/minmag.1994.058.393.13 | Journal (article/letter/editorial) | | fibrous masses in small cavities in the quartz/feldspar/muscovite/schorl-bearing pegmatite. The fibrous...gainesite - - as well as wardite, eosphorite, cyrilovite, leucophosphitc, rockbridgeite, a kidwellite-like...discovered pegmatite veins in granite boulders in a quarry at Wycheproof, a small town in northwestern Victoria...present on five specimens. Occurrence The granite quarry yielding the wycheproofite and kosnarite is on...found at the base of the southeastern wall of the quarry and were probably close to their original position |  | | Catalog/List | | --·--2x3£I 8 AlAs0/4 2x2£10 . - -----· Kai-Kar Quarry, Santa Cruz County, California, CREEDITE Hall Mine...dark grey mass in pale feldspar Greenish-grey 5mm crystals/sections in white Feldspar. ½"£6 lx2 £2 5 2x2...7A rich pink cleavage with minor matrix.A rare Feldspar a) 1cm b) lx2cm Pur� creamy chalky masses e F...---------------Sr ···--y , Mynydd Nodol, Arenig District, G wnedd. Wal 11 37 ■ TITANOHEMATITE Snarum, Vikersund...c. Un usual for E ngland Pin kishar eas mixed in An orthilc Fe dl spar AlS O i 2 x3£ 15 Chl o rite-- |  | | Book | | HagendorfPleystein Province: the Center of Pegmatites in an Ensialic Orogen Modern Approaches in Solid Earth...Hagendorf-Pleystein Province: the Center of Pegmatites in an Ensialic Orogen Harald G. Dill Gottfried-Wilhelm-Leibniz...did not postpone my questions. I did not receive an answer from him, he provided me with a solution....major constituents the three rock-forming minerals feldspar, quartz and mica, which in places develop mega-crystals...share of raw material extracted from pegmatites is feldspar, quartz and mica, and only a tiny fraction of |  | | Journal (issue) | | should be done? “That’s a question no one really has an answer for,” says Smith. We know one thing for certain:...1810 biography and an English chapter on W ulfen’s wulfenite locality, Bleiberg, Austria. Calfskin spine...for entry to the wholesale show. Please call for an ap pointment, or to be put on my dealer list for...by members. The Mineralogical Record has agreed to an affiliation with the Friends of Mineralogy whereby...Kalahari rhodochrosite, Paterson (NJ), Brumado district (Brazil), Bosch Collection $10 v.9/#4 Elmwood |  | | Catalog/List | | black crystal about l .5xl .5 inches and about half an inch thick, illustrated left. Parelhas, Rio Grande...brownish vitreous cleavage about 5mm. This used to be an extremely rare mineral but in recent years the location...Sagaing District Burma £ 18 GRAPHIC AMAZONITE, this is graphic granite with a pale blue feldspar. Much...of white Imm crystals over 3x4 inch matrix Osa Quarry. near Rome Italy 7. CHLORARGYRITE relatively...Atacama Chile £20 8. USHKOVITE orange micros with Cyrilovite on about 4mm area £10 £25 Near Boa Vista Creek |  | | Journal (article/letter/editorial) | | a border zone (BZ), an external wall-zone (EWZ), an internal wall-zone (IWZ), an intermediate zone (IZ)...several pegmatites located in the Conselheiro Pena district, between Galiléia and Mendes Pimentel (Fig. 1)...al. 1953), “avelinoite”, which corresponds to cyrilovite (Lindberg & Pecora 1954a, Lindberg 1957), barbosalite...landslides, which now cover a large part of the quarry, and consequently decreased chances of discovering...several districts, among which the Conselheiro Pena district (Pedrosa-Soares et al. 2009), which consists of |  | | Catalog/List | | SPECIMEN) 80x70 2 BISMUTHINITE XSTLS. PENLEE QUARRY, MOUSEHOLE, TWO XSTLS TO 3MM IN BISMUTHINITE/QUARTZMATRIX...ACC No. 826. MOLYBDENITE & NATIVE BISMUTH, PENLEE QUARRY, MOUSEHOLE. A 20 MM AREA OF MOLYBDENITE AND A 20...No. 1028. CASSITERITE PSEUDOMORPHING ORTHOCLASE FELDSPAR, WHEAL COATES, ST. AGNES. (EXC.V.SMALE) 40X20...No. 960. CASSITERITE PSEUDOMORPHING ORTHOCLASE FELDSPAR WHEAL COATES. ST. AGNES. A SINGLE CRYSTAL. (EX...“STOSS-SIDE” DEPOSITION OF PYRITE ON QUARTZ XSTLS AN EARLY 19thC SPECIMEN. ACC No. 570. TURQUOISE PSEUDOMORPHING |  | | Journal (article/letter/editorial) | | Mineralien der Chloritil-Mixitegruppe mit Seltenen Erden von Fundorten im Schwarzwald. Chemie der Erde 29...WALENTA, K. & THEYE, T. (2004): Agardit-(Ce) von der Grube Clara im mittleren Schwarzwald. Aufschluss...long-abandoned Clear Creek mercury mine, New Idria district, San Benito County, California, USA. Occurrence:...In a cm-wide quartz vein. Associated minerals are: an undefined Hg–O–I phase, mercury, cinnabar, edgarbaileyite...W) and 4,575 m above sea level. Occurrence: It is an evaporite mineral formed in a desert playa lake. |  | | Catalog/List | | dark grey cleavage masses large 2x3 Ratnapure district SriLanka £10 6. NATIVE LEAD good coverage of dark... south Norway £12 15. ANAPAITE green crystals in an 8mm area ,set inside a fossil shell ,cast in limonitic...display piece Tsumeb Namibia £12 18. LABRADORITE an excellent solid piece showing good blue schiller...pink crystal sections of Tourmaline in a pale feldspar., but they are a bit bruised, otherwise it would...inch matrix Kamoto mine, Kolwezi Zaire £8 34. CYRILOVITE, micro yellow radiations, about 1mm size. (Gunheath |  | Birch, W. D., Mills, S. J., Maas, R., Hellstrom, J. C. (2011) A chronology for Late Quaternary weathering in the Murray Basin, southeastern Australia: evidence from230Th/U dating of secondary uranium phosphates in the Lake Boga and Wycheproof granites, Victoria. Australian Journal of Earth Sciences, 58 (7) 835-845 doi:10.1080/08120099.2011.594090 | Journal (article/letter/editorial) | | W1T 3JH, UK Australian Journal of Earth Sciences: An International Geoscience Journal of the Geological... Victoria, Australian Journal of Earth Sciences: An International Geoscience Journal of the Geological...weathering (e.g. Korzeb et al. 1997; Dill et al. 2010). An example from northern Victoria is the 230 Th/U...elsewhere. GEOLOGY AND MINERALOGY A large operating quarry 10 km south-southwest of Lake Boga township provides...rocks that constitute the Murray Basin. Within the quarry, immediately below the thin cover of Parilla Sand |  | | Journal (article/letter/editorial) | | +0.01. The crystal had inclusions, l"i tir" d. of an inclusion-free fragment by flotation in clerici solution... The 261162 l, Abs. pp. M in. 149-155), 1919, Austria handl. Geol.Reichsanstalt original planerite from...not referabieto any known mineral. The mineral is an alteration product of millerite. Named for Arthur...The mineral occurs as dark blue incrustations on feldspar and smoky quartz and in miarolitic cavities in...when heated. A D.T.A. curve shows only one break-an endothermal break at 990o. Assuming that Feo is present |  | | Journal (article/letter/editorial) | | treatment. Three localities, the Tresayes Pegmatite Quarry, Great Wheal Prosper China Clay Pit and Gunheath...describes the geology of the sites visited and gives an overview of the restoration and waste treatment currently...former quarry known as Polpuff or ‘The Glass Mine’ (Cresswell Payne, 1946), from which feldspar was extracted...mainly in the early part of the 20th Century. The quarry was very overgrown, but has recently been cleared...and a clean face of the pegmatite exposed. The quarry is approximately 30x60 m but may have been larger |  | | Journal (article/letter/editorial) | | note the existence of a fourth member of the group, an as-yet undescribed monoclinic Fe3+-dominant species...rockbridgeite, huréaulite, phosphosiderite, variscite, cyrilovite and mitridatite. This is also the type locality...were described from the Lavra da Ilha pegmatite, on an island in the Jequitinhonha River, approximately...Sapucaia mine, in the municipal district of Galiléia, Minas Gerais, has been an important producer of muscovite...muscovite and beryl, extracted from different zones of an oval-shaped pegmatite (Pecora et al. 1950). In the |  | | Catalog/List | | green spot of Chloroxiphite at one end. (Merehead Quarry, Mendips, Somerset) £15 CHALCANTHITE rich blue...Sparse. Malo-Bystrinkoye, Sludyanka, Irkutsk District, Russia) £5 GALENA octahedral grey crystals from...5mm mm brown-green crystal section with minor Feldspar. the few Scandium containing minerals. piece from...1x.5 inch on 1x2 Gunheath Pit St Austell £ I0 CYRILOVITE yellow micro spheres on small lx2 rock with a...PEGMATITE showing contact with slate country rock. Feldspar quartz and mica. Megiliggar Rocks near Porthleven |  | | Journal (issue) | | ............ 57 Heulandite from the Illawarra District, NSW P. Carr, M. Perkins, B. Chenhall, f. Pemberton...during one of his visits to Australia. Richard was an Associate Editor of the Mineralogical Record and...of Queensland has initiated a project to develop an internet site that will contain infor mation from...to continue this trend as our support base grows. An index is currently being prepared for the first two...publication anticipated in June 1997, this should provide an incentive to renew your subscription early!! Further |  | | Catalog/List | | _ Fcldsp3~ -·· ~ 510 ■■ CHALCEDONY Greystones Quarry, lezant, Cornwall Grey banded massive lx2 £1 2x2...- -- -- - -- - - -- - 134 ■ CHALCOCITE Swinless Quarry, Kilbirnie, near Glasgow, Scotia Rich metallic...------ - -- - - - -- - - 26 ■ DOLOMITE Thoiras Quarry. Gard . France Good creamy curved crystals on matrix...Greenish-grey 5mm crystals/ sections in white Feldspar. ½" £6 ---- - -- -- --- lx2 ----£25 --- ---- ...- - ----- --- ------ - --- 47 ■■ FLUORITE Crich Quarry Derbyshire yellow massive cleavage, with a pale |  | | Journal (article/letter/editorial) | | which is rather out of place in this book. I found an accuracy of __+0.002 often suffices for identificathe...admirable. The introduction is mention the name of van der Kolk) over the Becke sufficiently general for novices...one or two hours composition of minerals, to such an extent that few in the whole course, mainly because...this book. The know which of their colleagues has an Abbe-type following statement in the Preface came...available. Even those who may complete surprise "An elegant treatment of alkali BOOK REVIEWS feldspars |  | | Book (edition) | | groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |  | | Journal (issue) | | and J. Cassedanne, 1978). This pegmatite contains an abundance of many minerals, mainly phosphates, which...wall rock, on the left the quartz core with some feldspar. Drilling in the upper part is in a beryl crystal...is about 10 m as it may be seen in a crosscut at an elevation of 250 m where the quartz core, 5 m in...muscovite crystals, a few centi meters thick, —Feldspar zone entirely crossed by large dendritic graftonite...maline is thinly tabular. Width about 2.5 meters, —Feldspar zone with triphylite (and other phosphates) nodules |  | | Book | | • An illustrated Encyclopedia of the World's Rocks and Minerals L......- , 1-. r S INER.!. l • A...Dusan Slivka First published in 1986 by Spring Books an imprint of The Hamlyn Publishing Group Limited, a...; this is a product of chemical weathering of feldspar rocks. Other examples of residual deposits are...closely associated, which can be demonstrated by an example of certain ore concentrations. As a result...pyrolusite have originated. Living organisms also take an active part in the process of mineral weathering |  | Scholz, R., Chukanov, N. V., Filho, L. A. D. M., Atencio, D., Lagoeiro, L., Belotti, F. M., Chaves, M. L. S. C., Romano, A. W., Brandão, P. R., Belakovskiy, D. I., Pekov, I. (2014) Césarferreiraite, Fe2+Fe3+2(AsO4)2(OH)2·8H2O, from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite mineral group. American Mineralogist, 99 (4) 607-611 doi:10.2138/am.2014.4695 | Journal (article/letter/editorial) | | centimetric cavity covered by pharmacosiderite and an unusual yellowish fibrous aggregate. The latter turned...2011) is located in the Conselheiro Pena pegmatite district (Fig. 1), one of the subdivisions of the Eastern...Eastern Brazilian Pegmatite province that encompasses an area of about 150 000 km2, extending from Bahia to...Minas Gerais. The Conselheiro Pena pegmatite district covers an area of about 5000 km2, in the middle part...Belo Horizonte The Conselheiro Pena pegmatite district is inserted in the central domain of the Araçuaí |  | | Book | | chemical formula (Fc 5 . Mil", As", Mn 4 , Pb"). Where an element features in both valences in the mineral...directly from a solidifying of magma, crystallizing of an aqueous solution or mctamorphism - recrystallization...important mineral specimens. Where a mineral has an important use this is listed at the end of mineral...occurrence: Hydrothermal product of fumaroles, product of an activity of microorganisms, disintegration of sulfides...described from Poibram. Czech Republic; Bleiberg, Austria and from the deposits in the Tri State region, |
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Feldspar quarry, Wolfsberg, Spittal an der Drau, Spittal an der Drau District, Carinthia, Austria