 | | 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 |  | | Journal (issue) | | Administratively, the Imeretinsky site is located in the Urup district of the Karachay-Cherkess Republic, 60 km SW of...Jurassic Laura dike complex consisting of dolerites, gabbro-dolerites, porphyry dolerites, and ophite olivine-bearing...with galena and is associated with caledonite , linarite, and cerussite. The mineral was identified using...Zn)(SO,),(OH)~ + Brochantite Cu,(SO.)(OH)~ ++ Linarite PbCu(SOj(_O_fl1 _ _ _ _ ++ Sulfates and selenite-sulfates...mineral is associated with galena, pyrite, goethite, linarite, and malachite. Halides Buttgenbachite is a minor |  | | Catalog/List | | CAVENSITE ON STILBITE (4cm x 4cm x 3cm) IPagoli Quarry, Poona, India A large group of cavensite crystals...£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... ERYTHRITE (7cm x 5cm x 4cm) Schnttbtrg. Saxony, Germany A lovely old German classic with a 15mm spray...silver (to 2cm) prettily contrasting with a dark gabbro & calcite matrix. £475 CUPRIAN ELBAITE (6cm x |  | | 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 (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 |  | | 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 |  | | 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 | | 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 |  | | Book | | precious 32, 33 opal, wood 32, 33 limonite 37 linarite 59, 60 orthite 88 liebigite 53 liroconite 74...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) |  | | 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...branches in one or more directions. br Drusy linarite, Bingham, New Mexico, USA * 9x 75 x 2.cm Arborescent...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 |  | | | | rubellite 96 ruby 25 ruby spinel 24 rutherfordine 53 linarite 59, 60 liroconite 74 talc 102 talc, precious...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 | | 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 | | 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...found: pyromorphite, plumbogummite, mimetite, linarite, hemimorphite and other species from the area...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 | | ALLEMONTITE An intergrowth of arsenic and antimony Germany Harz Mountains, Andreasberg Rich gray botryoidal...marble ..... . Connecticut Canaan, New England Lime quarry Silky white xl prisms in dolomitic marble .......Swisshelm district Rich brown to gray massive, some with minor cerussite, galena and linarite ...........aluminum silicate Calilornia Placer County, Grass Valley Hornblende Norite Broad white crystal sections...chloro-phosphate :\'ew Hampshire Grafton Center, Ruggles quarry Olive green masses in pegmatite ....... Fl. APOPHYLLITE |  | | 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 | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As man y...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a powder-like...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked... 3◄ 4 ◄ 5 ◄ Sassolite boric acid G) Death Valley, California/ USA B(OHb Streak white. Mohs' hardness |  | | Journal (volume) | | G. Tindle 23-25 PAPERS Danburite from Meldon Quarry, Okehampton and other UK localities Michael S....head of the Dale Beck Valley in the Caldbeck Fells of the northern Lake District and include workings...the workings in Iron Crag (which terminates the valley). As part of an ongoing survey of the mines of...Roughton Gill is the largest mine in the Dale Beck valley and one of the largest in the whole of the Caldbeck...workings and trials at the head of the Dale Beck Valley. The need to address these problems, combined with |  | | Journal (volume) | | overgrowths of white botryoidall;>aryte, from Durnford Quarry, near Bristol, England. Chris Finch collection;...The Geology and Mineralization of the 51 Just District. Unpublished Ph.D. thesis, University of London...David Wellings 64 NOTE - The minerals of Mcmeen Quarry, Castlebar, Co. Mayo, Ireland Stephen Moreton ...zeolites and calcioancylite-(Ce) from Guisachan Quarry, Tomich, Highland, Scotland Neil Hubbard, David...Fells, at the northern edge of the English Lake District, hosts one of the most remarkable and diverse |  | | Journal (issue) | | Minerals Higher Bal-Levant Trewellard Cottage, Lower Trewellard, Penzance, Cornwall. TR19 7SU Tel: (0736)...Mineral & Gem Show 26 The Minerals of Vale Road Quarry Nottinghamshire D.I. Green,J.C. Spencer 28 For...prospecting was undertaken mainly in the Llechfraith or lower adit level. underground. The workings proved to...Reserves are estimated ~t 18 million tonnes. The quarry can only be worked for 6 months of the year, due...personal observations. LOCATION TOULOUSE Timouns quarry can be reached from the route nationale number | | | Book | | l libeth inite 65, 65 liebigite 53 limonite 37 linarite 59, 60 liroconite 74 lithiophilite 65 ludwigite...brownish black, at Freiberg and Andreasberg in Germany, and also in the United States (Arizona). Antimony...found at Butte, Montana, and the Copper Rjver district of Alaska. A much rarer mineral is covellite,...Switzerland. Good crystals ll occur at Freiberg in Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria)...with a metallic lustre, mainly at SiegerJand in Germany and in Bohemia (Czechoslovakia). It is found at |  | | 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 |  | | Journal (issue) | | Mike was co-author of an article about Hendre Quarry which was published in the British Micromount Society..."We are very encouraged by the indications at the lower cut-off levels that both the White Rock and the...Northern zones could develop into large albeit lower grade deposits that may be amenable to bulk mining...gives a potentially larger size but at a slightly lower grade," he told Proactive Investors. He added that...and Engine Zones. "White Rock is a zinc rich but lower copper ISSU E NO. 62 - Page 11 - March 2013 RUSSELL |  | | Book | | understanding and enthusiastic publisher I have ever bad the pleasure of working with. I know that be joins...Meldonaplitequarry,nrOkehampton, Devon ~.~eldon ap::'te quarry,nrOkehamp:on. 0: ,0,1: roci...Bergemann in 1858 from Johanngcorgenstadt, Saxony, Germany, and named by G. J. Adams in 1869. They were...work (as chief collaborator on Kingsbury's Lake District "discoveries") is most affected by the problem...Cumbria (Ixer & Stanley 1987); a glossary of Lake District minerals (Young 1987a), which referenced many | | | 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 |  | | Journal (issue) | | block of Ural Erythrite. Schneeberg, Saxsony, Germany. 7x 5 cm. VSGM, M'22262. Photo: M. Leybov. Agate...from Ichinokawa (Japan), manganite from Ilfeld (Germany), epidote from Untersulzbachtal (Austria), silver...Tadzhikistan, and Transbaikalia), barite (England, Germany, and Middle Asia), hematite (Elba Island, Switzerland...to the number of specimens held in the museum, Germany occupies the first place among foreign countries...England, precious opal from Slovakia, agate from Germany, labrador from Canada, and other superior specimens |
|
