 | | 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...wedge-shaped, as in gypsum; spear-shaped, as in descloizite. Many minerals do not occur as recognizable single...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where |  | | 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 | | 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 |  | | Report (volume) | | V20 5 , but most phosphate deposits have a much lower vanadium content. Vanadium is commonly the principal...Variety of descloizite. Delrioite, CaSrV201·3H20---- ______________ do ________ _ Descloizite,l Pb(Zn,...________________________ Vanadate ______ _ Synonym of descloizite. Ferganite (ferghanite) ___ _____________________________...(Al,Fe) a[ (V,P) 04]2(0H) a· 172-8Y2H20. t The descloizite-mottramite series, PbZn(V0 4)0H-PbCu(VOt)OH,...______________________________ do_________ Variety of descloizite. Schoderite, AhV04P04·8H20- ______________ do |  | | 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 (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 | | datolite 80, 82, 82 dawsonite 47 demantoid 77,78 descloizite 66, 66 desmine 122 destinezite 73 dialogite...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) |  | | | | datolite 80, 82, 82 dawsonite 47 demantoid 77, 78 descloizite 66, 66 desmine 122 destinezite 73 analcite 76...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 | | 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 |  | | 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 | | 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 .......material ........... Arizona Cochise Co. , Swisshelm district Rich brown to gray massive, some with minor cerussite...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 |  | | Report (volume) | | --....--.--.,'.....---------------.-.----.---Descloizite.______.___.._--__---.-.-_---_.-------.---_-_____...ARSENIDES. BISMUTHINITB. From the Rosario Mining District, Sinaloa, Mexico. W. I-I. Melville. Described...mine of the Canadian Copper Company, Sudbury, district of Algoma, Ontario. Specific gravity, 4.541 ~...corrected for impurities. From the Missouri mine, Halls Valley, Park County, Colo. Analyses, by Hillebrand, of...82 CRYOLITE. From St. Peters Dome, Pikes Peak district, Colorado. Described by Cross and Hillebrand in | | | 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 | | the l1 prehnite overcomes the cut edges ! Copper Valley Digging , I Gobobosebberge Erongo region Namibia...orange crystals on cockscomb Barytes Mibladen district , Morocco 6x4 £30 () , 1 5 APOPHYLLITE pale...10x6cm showing excellent play of colours Ampanihy District Madagascar £25 13 OLIVINE variety FORSTERITE...dark grey veins in Feldspar Ricksburg Karibib District Namibia 5x3x2.5 £ 18 16 HILLEBRANDITE pale blue...magnetite with minor black Ludwigite fibres. Old marble quarry Kilchist Skye 4x4 £7 29 GOETHITE quite rich, lustrous |  | | Catalog/List | | .50 BERTHIERITE (iron sulfantimonite) Xline; Saxony, Bohemia or Sardinia BERYL (Beryllium aluminum...assorted forms; Germany. Each, 15¢ or 10 for $1.00. Xis, in matrix of anhydrite; Germany. About 1 x 1"...3.50 10.00 .76 5.00 CUPRODESCLOIZITE-See Descloizite CURTISITE (hydrocarbon) Flouresces brilliant... . . . . . . . . . . . . . . . . . . . . . DESCLOIZITE (basic lead zinc vanadate) Xled groups of remarkable...Concentrates in vial; New York XI, nr" trapezohedron; Lower California. 50 in vial for 201. Andradite (calcium |  | | 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...prisms and pyramids. Occurrence: England, Scotland, Germany, Alps, Urals, Brazil, Madagascar. Quartz is important...twinning (No. 7). Occurs in England, Scotland, Germany, Alps, Norway, Sweden. Microcline has the same | | | Book | | datolite 80., 82, 82 dawsonite 47 demantoid 77, 78 descloizite 66, 66 desmine 122 destinezile 73 dialogite 42...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 |  | | Report (issue) | | 0 (http://images-of-elements.com/vanadium.php). Lower left, vanadium metal crystals made by electrolysis...0 (http://images-of-elements.com/vanadium.php). Lower right, common hand wrench made with vanadium alloy...mg/m3 milligram per cubic meter MVT Mississippi Valley-type ng/m3 nanogram per cubic meter nm nanometer...ton; SSV, sandstone-hosted vanadium] Country District, region, or State/ Province Latitude Longitude...sandstone-hosted vanadium] ID Deposit Country District, region, or State/ Province Latitude Longitude |  | | 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 | | 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) | | 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 |  | | Report (issue) | | deposits; hydrozincite, willemite, aurichalcite, descloizite, chalcophanite, and sauconite are also important...pockets of decomposed limestone are known only in the Valley and Ridge province of the Eastern United States...England province, the Ridge and Valley province, the principal Mississippi Valley zinc and lead districts, and...province: Franklin-Sterling Hill, N.J. Ridge and Valley province: Friedensville, Pa. Austinville, Va. Mascot-Jefferson...fluorspar-zinc district Upper Mississippi Valley zinc-lead district Valle Mines, Mo. Tri-State zinc district Arkansas |  | | 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 (article/letter/editorial) | | occurrences of vanadium minerals (mottramite, descloizite, and vanadinite) in the Caldbeck area of Cumberland...described. New X-ray powder data are given for descloizite and mottramite, and show appreciable differences...As a result of our investigations in the Lake District, we have found several new localities in the Caldbeck...part of Brandy Gill, CarroekFell. Mottramite, descloizite, and vanadinite occur here under varying conditions...from the eastern cross-cut on the same vein, descloizite, a little mottramite, and vanadinite have been |
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