 | | 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...described. Botryoidal: like a bunch of grapes as in malachite Reniform: kidney-shaped as in hematite Mammillary:...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where |  | | Book | | minerals can originate from one mineral, e.g. malachite, azurite, or limonite from chalcopyrite. Dripstone...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 |  | | Book | | “Light of the Desert” (see page 117) Page 3: Malachite (see page 120) Page 6: Mimetite (see page 139)...process, new minerals and rocks are formed. RIGHT: Malachite with chrysocolla, Majdanpek, Serbia ¢ tixex7 cm...A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...carbonate) can react to form malachite (green copper carbonate). If malachite produced this way keeps the...while cinnabar and minium give us bright red and malachite is a source of green. Color is one of the first | | | Book | | minerals can originate from one mineral, e.g. malachite, azurite, or limonite from chalcopyrite. Dripstone...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...which have their own and unchangeable colour, malachite is always green, graphite always black, and sulphur |  | | 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 | | 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 |  | | 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 | | A~GLESITE. 8. ATACAMITE. Copiapo, Atacama District, Chile. Rich, very dark, blackish green, bladed...pale green Malachite in associat ion. If.xlt". f.l. 50. 9. AZURITE. Moldawa, Banat District, Hungary...Gossan with odd small green needly crystals of Malachite in places. Attractive old specimen. 2xltxl". f...matrix with minor thin crusts of light green Malachite. The reverse of the specimen also shows scattered...}~-x2ixli". £l6.5o. NATIVE B~5MUTH. Schneeberg, Saxony, Germany. Very rich vein section consisting of feathery |  | | 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 |  | | Catalog/List | | bluish Cha lcanthiteo lxi". £1- 3. ANALCIME. Dene Quarry, st. Keverne, Lizard, Cornwall. A group of large...larg';lst cr:rst,~~ be~ng 1" in size, intergrown on gabbro matrlX. 22x12' ~l. 4. ANAPaITE. Bellaver de Cerdena...specimen. ItxFxlt". £4.50. 6. lIRSENOPThITE. Penlee Quarry, Newlyn, Corm~alL a lxlt" cavity in massive white....k..Zill{ ITE. 9. rt2rn[ITE. Moldawa, Banat District, Hungary. A 1 cm. sharp well formed bright blue...blue crystal implanted on velvety Malachite lining cavities in dense Limonite mmtrix. 3x2". £8. 10. BARYTES |  | | Journal (article/letter/editorial) | | Ladysmith (Rosemeyer 1999, the Vulcan Materials quarry in Racine (Scovil 1994), the pegmatites of Florence...marcasite. A major mining district, the Upper Mississippi Valley zinc-lead district, was in these rocks in...and copper minerals were found. Mining in this district ceased in the late 1970s. A branch of the Middle...mining. Chalcocite, chalcopyrite, gold, azurite, malachite, cuprite, sphalerite, silver, pyrite, and pynhotite...may have omitted. Adams County Hamilton Mound. A quarry is located in the NE 1/4 sec. 36 T*20N*R.6E.: potassium |  | | Book (edition) | | scale to soapstone at the other. There is a still lower limit in liquids and gases; but of the hardness...the planes of the trisoctahedron in Fig. 21. The lower one of the three on the upper front solid angle...by a constant ratio, and the expression for the lower right one of the six planes will be 3c f & la. By...planes will remain essentially the same. In Fig. 10, bad the plane lettered | been made the plane 1, then...being here directly over those suppressed in the lower pyramid. APATITE. If the student will shade over |  | | Book | | NaFe(SiOs)2. Monoclinic. Prismatic crystals. Cleaverage—district (110.) Brittle. Luster-vitreus. Color-brown or...xtals are i to % inches long. In a dike cutting gabbro. The dike is 4 to 6 inches thick and is of a reddish...approximately 18 to 24 inches thick that cuts the gabbro which at this point is about 4% mile wide and...anorthosite. Sec. 5, T.3N., R.13W. Near the Hazel quarry in pegmatite dikes. Long rods of altered amphibole...locations in western Oklahoma. It usually occurs as the lower beds below the gypsum. (See gypsum locations.) |  | | | | aragonite, dolomite, siderite, rhodochrosite, malachite, azurite, gypsum, anhydrite, baryte, apatite,...p. 234 Green chlorite (pale green), p. 208 malachite (green), p. 158 turquoise (greenish blue), p...rhyolite (p. 256) Medium diorite (p. 250) Dark gabbro (p. 252) andesite (p. 260) basalt (p. 262) obsidian... In the southern prairies and the St. Lawrence valley, this fragile layer of sediments produced fertile...Township, Cochrane District, Ontario; Darwin Mine, McMurray Township, Algoma District, Ontario; nuggets |  | | Journal (article/letter/editorial) | | as the Picher district, which is in the Oklahoma portion of the TriState. This district has probably produced...internal hourglass pattern.) (Johnson 1972). Malachite locality, NE1/4 SE1/4 sec.11, T.26N, R.9W, Permian-age...Permian-age Crisfield Sandstone: malachite. Adair County Bunch, near Bunch, secs.l.5, 16, T.14N, R.24E:...phosphorescent) (Gilmore 1963). Beckham County Malachite localities, SW1/4 SE1/4 sec.36 and SE1/4 SW1/4...T.EN, R.22W, Flowerpot Shale of Permian age: malachite (Stroud et al. 1970; Scott and Ham 19.57). Figure |  | | Catalog/List | | inclusions. 1/2" to lxl'' $3.50, $5.00and $7.50 ...... Germany East Prussia, Palmni.cken, Baltic Sea. Fossil resin...silicate. Connecticut Canaan , New England Lime quarry. Fl. White crystal prisms in dolomitic marble ................. . Pennsylvania Easton, Williams quarry. White fibrous with calcite, asbestos-like. New...display specimens ... New Jersey Paterson, Lower New Street quarry. White trapezohedral crystals in groups...Lead sulfate. Arizona Cochise County, Swisshelm district. Rich gray-to-tan replacement of galena with nodular |  | | Catalog/List | | crystalline mass with much bright green radiated MALACHITE in assQciation. Very colouful specimen. 6. ~RTHURITE...CABRERITE (Magnesian Annabergite). Laurium, Attica district, Greece. Light green small sharp crystals lining...2x1tx1", £3.7Sp. 14. CALCITE. St. Andreasberg, Harz, Germany. Specimen A: Select translucent to transparent... A large geode-like cavity in calcite/ altered gabbro matrix lined with transparent creamy coloured well...~-x2t", £6. SOp 16. CARPHOLITE. Wippra, Harz, Germany. Rich golden coloured radiated crystalline masses |  | | 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 | | ludwigite 5/, 53 magnesite 38, 38 magnetite 23, 24 malachite 47, 48 malacon 79 manganite 34 marcasite /5, 17...copper-red colour is often hidden by green patinas of malachite formed by oxidation. It is generally found...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, | | | | | ludwigite 5/7, 53 magnesite 38, 38 magnetite 23, 24 malachite 47, 48 malacon 79 manganite 34 tantalite 36 taramellite...copper-red colour is often hidden by green patinas of malachite formed by oxidation. It is generally found ...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, |  | | Book | | INTRODUCTION TO Robert Laut, Ph.D. 4880 Lower Valley Road, Atglen, Pennsylvania 19310 Dedication... Published by Schiffer Publishing Ltd. 4880 Lower Valley Road Atglen, PA 19310 Phone: (610) 593-1777;............................................. 30 Germany .................................................in several countries, including: AVR in Julich, Germany; Peach Bottom and Fort St. Vrain in the US; Dragon...uranium mines in Western Europe remained closed. In Germany about 200 tU were recovered from mine rehabilitation |  | | Book (volume) | | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). Translation This book has book of but ...108. Dioptase 111. Ores Cleavage Gravity, Malachite 111. 115 Zinckenite Zinc Bor- Bournonite...Bieber, limestone may, and instead crystals quarry dissolved a such undergo disappears, call...Co. prism faces Germany. Cube crystal-form. Weardale, 5. of Harz, The Germany. (bright crystals... man. were dull, 1, the appearance they quarry-man: bodies these the in plates, the faces |  | | 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 | | £2.16. 6. ARGENTITE. Comstock Lode, Paradise Valley, Nevada, U.S.A. A very rich sectile metallic grey...Psilomelane. Itxltxl". £5.40. 22. CHABAZITE. Dean Quarry, St. Keverne, Lizard, Cornwall. Unusual hollow...crystals of CHAB.ZITE with minor Stilbite, encrusting Gabbro matrix. Specimen A associated \'iith botryoidal...2txl·~xl". £2.16, 28. COBALTITE. Schneeberg, Saxony, Germany. Sharp, SLIvery grey, cubic crystals to 5 mm...Copp er • 3tx2+x2" • £8. 6~. 35. v'UPRITE. Harke Valley Mine, Linkinhorne, CormJall. Sma.ll, very bright |  | | 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...5 x 1.5 cm) of limonite encrusted with earthy malachite, supposedly collected by A.K. in 1952 from Potts |
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Gabbro Quarry, Radau valley, Bad Harzburg, Goslar District, Lower Saxony, Germany