 | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...Darker and even poorer in silica than diorite is gabbro, containing a calcium-rich plagioclase and pyroxene...Granite Nepheline syenite Syenite Dio rite Gabbro Peridotite 13 Dunite Serpentinite Rhyolite...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where...incident beam are retarded by passing through to the lower side of the film, rejoining the main beam either |  | | Book | | results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...between that of the sample and that of the next lower grade. In this case we consider the hardness to...Different scratch hardness on kyanite 20 somewhere lower grade adding a half-grade to it. Although the determination...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...identification. Nobody should be discouraged by initial bad luck, it is sometimes difficult even for an expert |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur...byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, 5.31 |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24 x 0.5 om MINERALS: PRODUCTS OF A...such as Porcupine and Hemlo districts; Noranda district, Quebec. USA: Mother Lode belt and others in...Localities Canada: Cobalt mining district and Thunder Bay District, Ontario. USA: several localities... Wire silver, Silver Islet Mine, Thunder Bay District, Ontario, Canada * 11.5 x 14x 11 om Silver has |  | | Catalog/List | | APRIL 1974 1. NATIVE ARSENIC. Burraton Combe Quarry, St. Stephens-bySaltaoh, Cornwall. Specimen A -...red, hackly sheet. ltx;\-". 50p. CUPRITE. Marke Valley Mine, Linkinhorne, Cornwall. h bright shining maroon...EMPLECTITE. Tannenbaum, Nr. Schwarzenberg, Saxony, Germany. Rich, metallic, tarnished bladed maSS8S thickly...2xlixlt". £5. 39. ERYTHRITE. Schneeberg, Saxony, Germany. Bright pink elongated flattened needly crystals...Cornwall. Metallic grey replacement of elongated Pyromorphite crystals by Galena, with minor _uartzose matrix |  | | Catalog/List | | CAVENSITE ON STILBITE (4cm x 4cm x 3cm) IPagoli Quarry, Poona, India A large group of cavensite crystals...dimension with good terminations. £110 13 14 PYROMORPHITE (4cm 4cm x 3cm) St. Salvy, Tam, France Grass...Grass green crystal groups of pyromorphite to 3mm on a brown gossanous matrix £68 15 PYRITE ON ENARGITE...£25 40 SAMPLEITE (2cm x 1cm x 1cm) Laks Boga Quarry, Victoria. Australia Bright electric blue crystalline...£12 41 ULR1CHITE (2cm x 2cm x 1cm) Laks Boga Quarry, Victoria, Australia A very nice pretty micro of |  | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...culture, derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric...minerals are concerned. Opal is still thought to bring bad luck, and similar stories are told about certain...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite |  | | Catalog/List | | two earlier catalogues, but now offered at even lower prices. Additionally, I have included some specimens...golden-yellow nodule, A/20. ANALCIME. Enderby Quarry. Leicestershire. This specimen is more interesting...2.5x2x1.25", £4.00 1. ANALCIME/NATROLITE. Dean Quarry, St. Keverne, Lizard, Cornwall. Pearly white to...to about 0.75" in size developed on surface of Gabbro matrix plus, minor crystalline Natrolite and Calcite...75x1", £7.50. 2. ANALCIME/NATROLITE/CALCITE. Dean Quarry, St Keverne, Lizard, Cornwall. Pearly white, large |  | | Book | | Council Glossary of the minerals of the Lake District and adjoining areas B. Young NEWCASTLE UPON...booksellers A Glossary of the Minerals of the Lake District and Adjoining Areas B. Young Introduction The...covered by this glossary includes the central Lake District , the adjoining west Cumbrian coal and iron ore...Ennerdale, Shap and Skiddaw form part. Sediments of Lower Carboniferous age, locally with some contemporaneous...wide area on the Wand N flanks of the Lake District. These Lower Palaeozoic rocks are succeeded unconformably |  | Burmann, Fabian, Keim, Maximilian F., Oelmann, Yvonne, Teiber, Holger, Marks, Michael A.W., Markl, Gregor (2013) The source of phosphate in the oxidation zone of ore deposits: Evidence from oxygen isotope compositions of pyromorphite. Geochimica et Cosmochimica Acta, 123. 427-439 doi:10.1016/j.gca.2013.07.042 | Journal (article/letter/editorial) | | Evidence from oxygen isotope compositions of pyromorphite Fabian Burmann a,⇑, Maximilian F. Keim a, Yvonne...Tübingen, Germany b Geoecology, Universität Tübingen, Rümelinstr. 19-23, D-72070 Tübingen, Germany Received...31 July 2013; available online xxxx Abstract Pyromorphite (Pb5[PO4]3Cl) is an abundant mineral in oxidized...oxygen isotope data for phosphate (d18OP) in pyromorphite and a comprehensive data set for apatite from...from 26 localities in the Schwarzwald (Southwest Germany) and five samples from localities outside the Schwarzwald | | | Book | | results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned jn such a way that they form...that of the next lower grade. In this case we consider the hardness to be of the lower grade adding a half-grade...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...identification. Nobody should be discouraged by initial bad luck, it is sometimes difficult even for an expert...should preferably be more detailed, e.g. walls of a quarry, or refuse heap specimen, so that one could find |  | | Book | | by Gloucester Typesetting Co. Ltd. Printed in Germany Contents Translator's Foreword 4 Foreword ...known in some parts of the Continent, including Germany. Ore: Ores are deposits of minerals, which contain...hardness. Each mineral will scratch those in a lower division on the scale and can be scratched by those...Vanadate Apatite, lazulite, mimetite, phosphorite, pyromorphite, turquoise, vanadinite. 8. Silicates Acmite...prisms and pyramids. Occurrence: England, Scotland, Germany, Alps, Urals, Brazil, Madagascar. Quartz is important |  | | Catalog/List | | mass of black crystals, some Mount Malosa, Zomba District, free standing. ______ ______ Malawi Black crystal...Arizona Pure green cleavage AMAZONITE Landsverk quarry, Evje, Norway Ixl 50p lx2£l 11 felspar group____________...£3 7 Pure black mica plate new Analysis , Saga Quarry, Tvedalen near ANNITE Mica__________ paper available...Chrysotile, pale grey-green Ixl £1 County Bridge Quarry,Lizard Mg Fe SiO_______ massive. _________ .Cornwall...S.A. Rotlaufchcn Mine Waldgirmes, 1 x 'A £2.50 Germany Ixl £2 Carnelian Bay.Scarborough Yorkshire 1x2 |  | | Book | | rolling topography. A pipeline excavation randownthe valley priorto landscaping during springI991.{Painting...Freiberg, Germany; Mr J. Williams, Dumfries; Mr S. C. Brownlee of Cumnock and Doon Valley District Council;...feature of the Lowlands is the fault-bounded Midland Valley, with Glasgow and Edinburgh in the west and east...respectiYely. In a broad sense, the Midland Valley is a swathe of lower ground abundantly dotted with hills between...estuaries to the Southern Uplands. South of the Midland Valley, virtually to the English border, high rounded |  | | Book | | minerals are the raw materials of the landscape. Every valley, hill and mountain peak is made entirely of rocks...just 20km/12 miles beneath California’s Central Valley, it is substances like zinc and lead that join...so great that the iron simply cannot melt. The lower mantle is 6702,900km/420-1,800 miles down. Here...the underside of the crust, creating rocks like gabbro. Some oozes up into vertical cracks created by...drop away down these 'faults' to open up a rift valley, flanked by mountains formed from blocks that didn't |  | Epp, Tatjana, Marks, Michael A.W., Ludwig, Thomas, Kendrick, Mark A., Eby, Nelson, Neidhardt, Harald, Oelmann, Yvonne, Markl, Gregor (2019) Crystallographic and fluid compositional effects on the halogen (Cl, F, Br, I) incorporation in pyromorphite-group minerals. American Mineralogist, 104 (11) 1673-1688 doi:10.2138/am-2019-7068 | Journal (article/letter/editorial) | | the halogen (Cl, F, Br, I) incorporation in pyromorphite-group minerals Tatjana Epp1,2,*, Michael A.W...Geowissenschaften, Wilhelmstraße 56, 72076 Tübingen, Germany Eberhard Karls Universität Tübingen, Fachbereich...Geoökologie, Rümelinstraße 19-23, 72070 Tübingen, Germany 3 Ruprecht-Karls-Universität Heidelberg, Institut...Im Neuenheimer Feld 234-236, 69120 Heidelberg, Germany 4 Research School of Earth Sciences, Australian...U.S.A. 1 2 Abstract Pyromorphite-group minerals (PyGM), mainly pyromorphite [Pb 5(PO 4) 3Cl], mimetite |  | | Catalog/List | | mass of black crystals, some Mount Malosa, Zomba District, lxl ins £5 lx2ins _lyro?'~~e . __ __ _ ___ ___...- - - AMAZONITE Pure green cleavage Landsverlc quarry, Evje, Norway lxl S0p ALAMOSITE fcLp 10 g:...with Chrysotile, pale grey-green County Bridge Quarry,Lizard ,Cornwall MgFeSiO massive. Minas Gerias...½ Red brown fibrous on matrix BERAUNITE lxl £4 Germany FePO/4 £2.S0 Rich green masses with Siderite. Unusual...MITE Creamy white micro crystals in cavirties Saga Quarry, Tvedalen, Norway Ix½ £3 Al O OH in Natrolite _ |  | | Journal (issue) | | MONTHLY Contents For July, 1945 CHIPS FROM THE QUARRY ........................................................................................ 307 PYROMORPHITE FROM THE LITTLE GIANT MINE, IDAHO. By Charles........................... 324 FAMOUS NEW JERSEY QUARRY ABANDONED ......................................................... 327 AXINITE FIRST FOUND IN GERMANY .................................................to the Luri mine, but as mentioned our luck was bad. A check the "Cardo" copper mine. The only diwas |  | | Journal (volume) | | FRONT COVER: Blue plumbogummite with yellow pyromorphite. Roughton Gill Mine, Caldbeck Fells, Cumbria...cerussite crystal, 6 mm high, with minor yellow pyromorphite in a cavity lined with green malachite. Roughton...G. Tindle 23-25 PAPERS Danburite from Meldon Quarry, Okehampton and other UK localities Michael S....extensive, resulting in sufficient malachite, pyromorphite and cerussite for these to be considered ores... The mine produced world class specimens of pyromorphite, hemimorphite and plumbogummite. The supergene |  | | Journal (issue) | | net Famous Mineral Localities: The Berezovsk District, Sverdlovsk Oblast, Russia .....................ajoite-included quartz in the Artonvilla mine, Messina District, Limpopo Province, South Africa ................endless analysis of two unknown phases from Merehead Quarry, took up much of his time. Eventually, with the...curator. His work in the Mendips, and at the Merehead quarry in particular, was honored by the naming of a pink...oxychloride from the Torr Works (formerly Merehead quarry) as symesite in 2000. In addition to his research |  | | Catalog/List | | plastic box. Friedrichsegen Mine, bad Ems , Lahn .Rhineland-Palatinate Germany £18 7 SULPHUR small crystals...crystals in Basalt 5x6 cm Limberg No 1 quarry, Kaisersthul, Germany £4 11 LAVOISIERITE rich brown fibrous...good long wave orange fluorescence 3.5x3cm Koksha valley Badakhshan Afghanistan £35 22 CANCRINITE yellowish...HARMOTOME, clear micro crystals on 1x2 cm Dolyhir Quarry, Old Radnor Powys £5 54 HEMIMORPHITE good covering...and piemontite matrix. 2x3cm Praboma Mine, Aosta Valley, North Italy £20 B) smaller piece £10 71 BRUCITE |  | | Book | | pyrite 15, 15, 16 muscovite 104 nadorite 22 pyromorphite 68, 68 morganite 93 nagyagite /4 native elements...found in igneous rocks rich in magnesium and gabbro granules and and poor in silica, such as peridotite...brownish black, at Freiberg and Andreasberg in Germany, and also in the United States (Arizona). Antimony...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite,...Switzerland. Good crystals I occur at Freiberg in Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria) |  | | | | pyrite 15, 15, 16 pyroaurite 51 pyrolusite 34 pyromorphite 68, 68 pyrope 76 pyrophyllite 102, /03 pyroxene...rocks rich in magnesium and poor in silica, such as gabbro and peridotite. It is normally found in granules...brownish black, at Freiberg and Andreasberg in Germany, and also in the United States (Arizona). Antimony...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite,...found in crystals if occur at Freiberg in Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria) |  | | Book | | MLP. (Michael P. Minerals of the English Lake District Caldbeck Fells Cumbria. Caldbeck. Mineral deposts...Printed by Craft Print Pre Ltd Frontispiece DALE BECK VALLEY:; a wide—angle photograph locking south towards...of the finest mineral specimens ever found: pyromorphite, plumbogummite, mimetite, linarite, hemimorphite...renowned. CALDBECK FELLS MINING DISTRICT The Caldbeck Fells mining district oceupies approxi— mately 25sqkm...25sqkm in the north—east of the English Lake District, some 12 km north—north—east of Keswick. Before 1974 |  | | Catalog/List | | A~GLESITE. 8. ATACAMITE. Copiapo, Atacama District, Chile. Rich, very dark, blackish green, bladed...If.xlt". f.l. 50. 9. AZURITE. Moldawa, Banat District, Hungary. Small, bright, blue sharp sparkling...}~-x2ixli". £l6.5o. NATIVE B~5MUTH. Schneeberg, Saxony, Germany. Very rich vein section consisting of feathery...£13.00. 15. BROCHANTITE. Mammoth Mine, Tintic District, Utah, U.S.A. Bright, deep green, small sharp...Pearce in 1903. 2-!;-xl~-". £8.00. CALCITE. Machen Quarry, Rudry, Glamorgan. Sharp, composite, translucent |
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