 | | 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) | | acicular crystals 9 mm long on calcite. Fall Hill quarry, Ashover, Derbyshire. Collected 1979. Roy Starkey...Wilson and B. Young Milarite from Shap granite quarry, Cumbria, England, with a discussion of milarite... particularly in Cornwall, Devon and the Lake District. (See obituaries: Embrey, 1973a, IlJ73b. See also...Hanley's name added to papers dealing with Lake District minerals). Kingsbury himself, howe~er, carried...C. Ber~emann in I S5~ from 10hanngeorgenstadt, Saxony. Gennany, and nallled by GJ. Adam in 1869, but |  | | 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 |  | | 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 | | composition into an opaque amorphous mass with much lower properties, such as refractive index and specific...significantly reduced 18O content (down to <10%), much lower than the 18O composition of the solution after reaction...the apatite, with the presence of NaF producing a lower nucleation density, larger crystals and coarser...to end member FAP, whereas samples reacted with lower F content are probably replaced by hydroxy-FAP (Ca10(PO4)6OHxF2x)...between calcite and hydroxyapatite (13.4%) is lower than between calcite and FAP (14.7%). The replacement |  | | 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 | | 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 | | by Dimitri lvanowitsch morethantwicethesizeof Germany but, Mendelejew,and it validated the rulesof with...headof the copper,lead, and vanadium minesin the valley of Otavi in GermanSouth-WestAfrica. Fromthere,...SouthwestafricanMemories". He later returned to Germany,where he was appointed to chair the Upper Mining...the TechnischeUniversitat BergakademieFreiberg,Germany 25 ANGOLA -·-·-·+·-·-·-· :-· ·-·- •••••••••••····...KleineSpitzkoppe,which C.Hintze described,were brought to Germany by GOrich. He was also the author of the first |  | | Report (volume) | | V20 5 , but most phosphate deposits have a much lower vanadium content. Vanadium is commonly the principal...P) 04]2(0H) a· 172-8Y2H20. t The descloizite-mottramite series, PbZn(V0 4)0H-PbCu(VOt)OH, includes the...-----Montroseite, (V, Fe) O·OH ____________ Oxide _______ --Mottramite,t Pb(Cu, Zn)V0 40H _______ Vanadate ______ _..._______________________ Vanadate _______ Synonym of mottramite. Pucherite, BiV04- ________________________ do...______ do ________ _ Probablv identical with mottramite. Vesignh~ite, CUaBa(V04h(OH)2----- _________ |  | | Journal (volume) | | David Green. BACK COVER: Ewaldite from Dolyhir Quarry, Old Radnor, Powys, Wales. 1.7mm. Julie Ballard...Fells, in the Leadhills-Wanlockhead district, and at Whitwell quarry in Derbyshire. By studying its paragenesis...Mine is situated near the head of the Scordale valley on the western escarpment of the Pennine Hills...Fells, at the northern edge of the English Lake District in Cumbria, host one of the richest 4 and most...returned the workings to profit for a time. By 1859 a lower level was desperately needed and so in the Caldbeck |  | | Catalog/List | | two sides of lx2 inch Boa Vista Pegmatite, Doce Valley Minas Gerais Brazil £35 2. SCHOLZITE rich white...5 to !cm stilbite crystals. Vambor Ahmedhafar district, Maharashtra India 4x2.5 inch £40 Also one smaller...this location closed many years ago. Boyleston quarry Barrhead Scotland £6 54. ANALCIME good coverage...FREIBERGITE silvery mass about half inch Coeur d' Alene district Idaho USA £3 1 0 7. MONTMORILLONITE rich creamy...matrix Kabang Mine,Kuantan Malaya, I xhalf £5 109. MOTTRAMITE dark green micros on Ix half Kararatu Namibia |  | | Journal (issue) | | micro jeanbandeyite specimens from Kingston Down Quarry. These were collected in November 1994 and recently...display from Stoneycroft smelter in the Ncwlands Valley, Cumbria. Mike Leppington once again has come up...found in reasonable quantity recently in the Lake District is the pyromorphite from Force Crag. The buff...Wales and those from the classic locality of Bad Ems in Germany. David Green has shown it to be the pyromorphite...to find a rich specimen of synchysite from Manod Quarry at Blaenau Fcstiniog in August this year. George |  | | 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 |  | | Journal (article/letter/editorial) | | 289 N e w occurrences of vanadium minerals (mottramite, descloizite, and vanadinite) in the Caldbeck...X-ray powder data are given for descloizite and mottramite, and show appreciable differences. Evidence is...is brought that the original occurrence of mottramite was not at Mottram St. Andrew, Cheshire, but Pim...rare in the British Isles, and only two species, mottramite (Cu, Zn)PbV0tOH and vanadinite Pbs(VO4)aC1, have...vanadiferous mineral has not been identified. Mottramite, supposedly from Mottram St. Andrew in Cheshire |  | | 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...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...Fells famous. Now that the miners are gone the district relies almost wholly on farming and the fells |  | | 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 |  | | Report (issue) | | silver, and lead. Tombstone district, with lead-silver ores. Pearce district, with silver ores. Dragoon...Dragoon Mountains, Manzoro district. Dos Cabezas Mountains, Dos Cabezas and Teviston districts. Huachuca Mountains...County-Globe-Miami district, with ores of copper and silver. Dripping Spring Mountains, Barnes district, with ores...and silver. Payson district. Graham County-Galiuro Mountains, Rattlesnake district. Pifialeno Mountains...County-Clifton-Morenci district, with ores of copper and silver. Maricopa County-Vulture district, with lead and |  | | 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 _ |  | | Report (issue) | | A.-Geology and are deposits of the Tombstone district, Arizona: Univ. Ariz., Ariz. Bur. Mines Bull....4:03 Ransome, F. L.-Geology of the Globe copper district, Arizona: U.S. Geol. Survey Prof. Paper 12, 1903...-Ore deposits of the Saddle Mountain and Banner district, Arizona: U.S. Geol. Survey Bull. 771, 1925. Graham...-Geology and ore deposits of the Aravaipa and Stanley district, Graham County, Arizona: U.S. Geol. Survey Bull...Waldemar-The copper deposits of the Clifton-Morenci district, Arizona; U.S. Geol. Survey Prof. Paper 43, 1905 | | | 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 |  | | Catalog/List | | lx½£5 ZnAs0/4 2 AEGIRINE Mount Malosa, Zomba District, Malawi Rich mass ofblnck crystal sections ,on...£5 -------------------------933 ANATASE Hingston Quarry,Comwall Black micro crystals in crystalline feldspar... 15 ■■ ALLARGENTUM Hartenstein, Erzebirge, Saxony Germany Silvery plates on 1cm matrix. Some with saffiorite...with minor calcite or matrix ½"£4 7 ANNITE Snga Quarry, Tvedalen near Larvik, Norway Pure black mica plate...size £4 Fe As S 531 ARSENOPYRITE Hingston Down Quarry,Cornwall,Englnnd Rich silvery masses with Chaleopyrite |  | | Journal (article/letter/editorial) | | part of the southern margin of the Carrock Fell gabbro to the north, and an intervening area of hornfels...Skiddaw Slate Series. Both the hornfels and the gabbro have suffered thermal metamorphism due to the granite...undergone a very localized metamorphism due to the gabbro. All three rock types have undergone a further...in the north-eastern corner of the English Lake District, about 2 miles west of Mosedale, near the junction...followed by Harker's study of the Carrock Fell gabbro (1894) and granophyre and greisen (1895). Finlayson |  | | 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 90k1n/54 miles thick under the Himalayas...the underside of the crust, creating rocks like gabbro. Some oozes up into vertical cracks created by...to the surface. basalt lava at the surface and gabbro deeper down. At subduction zones, partial melting...Chelly beds of the buttes in Utah's famous Monument Valley (below). Tough though these rocks are, they too |  | | Catalog/List | | location details l cm£4 2cm£8 Mount Malosa, Zomba District. Malawi IxI ins £5 Rich line grained black crystalline...APATITE Ca P0/4 F n rnm nirt Ca P0/4/ F F Saga Quarry, Tvedalcn near Larvik. Norway Loch Scridain Mull...silvery masses with Chalcopyrite ✓ Hingston Down Quarry,Cornwall,England Ashanti Mine, level 8, Obuasi...Hingston Down Mine,Hingston .Cornwall covered Saga Quarry, Tvedalen, near Brown fibrous mass in feldspar...rich light brown massive with some ✓ Meldon Aplite Quarry, crysrnllinc structure Okchampton Devon f Rich |  | | Catalog/List | | Quebec Ix! £ 1.10 ,Canada Mount Malosa, Zomba District, Ix½ £3 Malawi Nandan Meteroite, Lihu,Nandan 3mm...paper available. Rich grey crystalline mass. Saga Quarry, Tvedalen near Larv ik, Norway Ix I £1.50 Ix I...Chrysotile. pale grey-green mass ive. County Bri dge Quarry,Lizard ,Cornwall Jx I £ I I x2 £2 Loch Scridain...Hingston Down Rich silvery masses with Chalcopyrite Quarry,Cornwall ,England Apple green coatings on granite...Hingston Down Mine,Hingston ,Cornwall covered Saga Quarry, Tvedalen, near Brown fibrous mass in feldspar |
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