 | | Journal (issue) | | Fluorite from the New Gotthard Road Tunnel, Switzerland.............................................619...for the Discerning Collector Imperial Topaz in Quartz Pocket - Ouro Preto, Brazil Dallas, Texas and Guilin...easterly-trending valley called Dry Gill (“dry ravine”). Despite its name, the valley carries a small stream...meters. The largest of these faults is occupied by a quartz-ankerite vein, here called the “Brandy Gill vein...wide. 576 The veins consist almost entirely of quartz, either spongy or hard and white, in association |  | | Show/Event (guide) | | Fluorite and quartz, 21 cm aross, Planggenstock, Göschenenalp, Kanton Uri, Switzerland. mim Museum #2198...Swoboda. 12 Väyrynenite. Lolu Dahku mine, Roundu Valley, Skardu District, Gilgit-Baltistan, Pakistan. 14...mim museum Stibiotantalite. Urandu mine, Shigar Valley, Shigar District, Gilgit-Baltistan (Northern Areas)...photo N DO N Fluorite. Planggenstock, Göscheneralp, Kanton Uri, Switzerland. 42 x 32 x 26 cm, mim specimen...edloye1@gmail.com Hambergite. Tamponilapa, Sahatany Valley, (Mt. Ibity), Vakinankaratra Region, Antananarivo |  | | Journal (article/letter/editorial) | | 36849-5305 Fluorite on Quartz CHAMONIX, HAUTE-SAVOIE, FRANCE This exquisite fluorite on quartz specimen is considered...the world. Exceptional specimens from Mississippi Valley-type deposits, such as the famous Elmwood mine...base metals or more rarely uraninite; Mississippi Valley-type deposits where it is found with galena, sphalerite...fluorite, hematite, and essentially incomparable quartz crystals in very large sizes and peculiar forms...to dark smoky quartz and are related to fissures in granites or felsic gneisses. Switzerland boasts a |  | | Journal (article/letter/editorial) | | special display for the show. One of the immense quartz specimens at the Natural History Museum Bern. ...permanent exhibit featuring one of the largest quartz-crystal finds in the Swiss Alps, comprising fifty...central Aar massif at Planggenstock, close to Gotthard Pass. The slightly smoky quartz specimens are distinguished...300 kilograms. In addition to the nearly fifty quartz specimens, a number of pink fluorite octahedra...chlorite and galena to secondary wulfenite. The Planggenstock crystals are integrated into the already existing |  | | Journal (issue) | | Calcite-Kevin & Mark Brown collection, page 52; Smoky quartz gwindel-Brent Lockhart collection, page 175;...unearthing many fine specimens of gadolinite, smoky quartz, fluorite, feldspar in crystals to five feet...Streeter, R. L. Parker found a piece of "heavy quartz" in a stream bed. lt proved to be topaz from a...medium-violet arnethyst crystal specimens from quartz veins. And textbook-sharp, colorless and transparent...minerals found in Texas. Top row (from left): Smoky quartz, 5.5 cm, from Llano County; Bill Morgenstern |  | | Report (issue) | | pocket at the Elmwood mine. Photo Mark Kielbasa Switzerland BY HANS ANTON STALDER best of the AMERICAS ...Crystals are frequently found in association with quartz, calcite, galena, sphalerite, and barite to form...Upper right: I -cm wide fluorite dodecahedra with quartz; Sweet Home mine, Alma, Colorado The Collector...JeffScovil photo 9 A 3 cm high purple fluorite on quartz from the recently closed Sweet Home mine in Alma...Erich Offermann is a retired lawyer from Basel, Switzerland, who has a lifelong interest in crystals and |  | | Journal (issue) | | -06, 2023 Fluorite, 15 cm Tujetsch, Surselva, Switzerland Rudolf Watzl Freistadt, Austria Visit our website...habit to 1 or 2 cm. It is typically associated with quartz, prehnite, datolite, apophyllite, laumontite and...40. Copper crystals with brecciated prehnite and quartz, 20 cm, from the Cliff mine. A. E. Seaman Mineral...left). Copper crystals with brecciated prehnite and quartz, 10.5 cm, from the Cliff mine. Ex Robert Rann collection...species include calcite, pumpellyite, prehnite, quartz and rarely copper. Fluorapophyllite-(K) KCa4Si8O20(F |  | | Book | | Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...1971; Pimentel er al., 2009). SWITZERLAND Maderanertal east of Arnsteg, Uri. In the world of classic Swiss...major associations of Swiss hematite iron roses are quartz, ortboclase, albite, rutile, and zeolites (especially |  | | Journal (issue) | | collection there. After graduating from Pascack Valley Regional High School, he The Mineralogical Record...Spruce claims in Washington, digging for pyrite and quartz specimens. According to Sandy Ludlam, the project...years and produced many outstanding specimens of quartz and pyrite, separately and in combination. John...in a 1978 article for the Mineralogical Record: “Quartz and pyrite from King County, Washington.” Because...Mineralogical Record. In 1991, John heard that smoky quartz had been found on Sierra Blanca Peak in New |  | | Journal (issue) | | Highlights of his collection include a 54-cm ajoite-in-quartz cluster from Messina, a 33-cm heliodor crystal...beryllonite from Paprok, a 48-cm elbaite crystal on quartz and feldspar from Sao Jose da Safira, superb cuprite... March- April , 2018 Mineral Sedimentation Quartz Sericite -, Anhydrite Dolomite Magnesite Diagenesis...view, from the Musonoi mine. Marl Wrigley (Thames Valley Minerals) specimen and photo. Figure 65. Curite...crystals a few millimeters in length cementing quartz grains. It is dark gray in color, is rarely euhedral |  | | Journal (issue) | | fine large green octahedrons in association with quartz, orange 16 M I N E R A L S ISSUE #3 GOLDEN...colors of green fluorite with red hematite, white quartz, and golden stil- During a visit to Malmberget...photo. Fluorite with stilbite and hematite-coated quartz from the Christmas Tree Pocket, largest fluorite... All collectors know how difficult Spodumene, quartz and lepidolite, 45 cm wide, from Mawi, Afghanistan...more common minerals such as tourmalines, beryls, quartz, and barites. All of them are spectacular for their |  | | Journal (issue) | | of the natural pearl E.J. Gübelin Lucerne, Switzerland Abstract Biological research discloses that...'breadcrumb' inclusions sometimes found in synthetic quartz. It is worth noting that this is not the first...Résidence Suite 436, Haldenstrasse 4, 6002 Lucerne, Switzerland Abstract The study was carried out on nineteen...areas are part of the central system of the Rift Valley (Pangani Rift). The rocks are affected by extensive...preferred (stable) mineral phase. R.J.P. Inclusions in quartz. J.I. KOIVULA AND R.C. KAMMERLING. South African |  | | Journal (issue) | | localities: Spruce Ridge in King County, Washington (for quartz and pyrite) and the Rock Candy mine in British...tourmaline, danburite, forsterite, fluorapatite, topaz, quartz and zircon, plus rare species like hibonite, johachidolite...fine specimens of hambergite, pollucite, topaz, quartz, aquamarine beryl and lepidolite (Hla Kyi et al...gemmy red elbaite crystals clustered on matrix with quartz and feldspar have emerged from Pyinygi Taung, where...which he had heard on his travels concerning a “valley of serpents” which was littered with diamonds but |  | | Book | | zeolites, feldspars, feldspathoids, scapolites, quartz minerals, and danburite. The relationship between...groups of minerals with a framework structure. Quartz minerals are composed of tetrahedra with four oxygen...Preexisting minerals like analcime, levyne, harmotome, quartz, and feldspar were not changed. The nomenclature...analcime (with or without potassium feldspar and quartz) resulting from reaction of the solution with earlier...the lake, potassium-rich feldspar, carbo,nates, quartz., fluorite, dawsonite, trona, nahcolite, plrssonite | | | Book | | zeolites, feldspars, feldspathoids, scapolites, quartz minerals, and danburite. The relationship between...groups of minerals with a framework structure. Quartz minerals are composed of tetrahedra with four oxygen...Preexisting minerals like analcime, levyne, harmotome, quartz, and feldspar were not changed. The nomenclature...analcime (with or without potassium feldspar and quartz) resulting from reaction of the solution with earlier...the lake, potassium-rich feldspar, carbo,nates, quartz., fluorite, dawsonite, trona, nahcolite, plrssonite |  | | Journal (issue) | | Yellow Beryl Pyrope from Vietnam Multicoloured Quartz from Brazil A 42.54 ct Historical Alexandrite...Colour Zones and Inclusions in Unusual Multicoloured Quartz from Brazil 784 By Huizhen Huang, Quanli Chen...Sustainability of Precious Coral in Japan | Dyed Chatoyant Quartz Misrepresented as Cats-eye Chrysoberyl in an Antique...Liechtenstein Henry A. Hänni GemExpert, Basel, Switzerland Jeff W. Harris University of Glasgow Lore Kiefert...Japanese). SYNTHETICS AND SIMULANTS Dyed Chatoyant Quartz Misrepresented as Cats-eye Chrysoberyl in an Antique |  | Parker, R. L., Stalder, H. A., de Quervain, F., Niggli, E., Graeser, St. (1973) Die Mineralfunde Der Schweiz (2nd ed.) Verlag Wepf & Co., Basel. | Book (edition) | | 3-85977-002-0 Copyright by Wepf & Co., Basel Printed in Switzerland Buchdruckcrci Birkhauser AG, Basel inTIWNRI...im obersten Val Val, unweit des Grenzkammes gegen Uri, wurde 1966-1968 ein Kluftsystem mit einer sehr bemerkenswerten...Plantes, in Paris ausgcstel lt mit dcr Bc zeichnung ,Quartz byalin, Viesch, Valais. Don General Bonaparte,...Habitus zeig ten. Sie stammten vielleicht vom Planggenstock (siehe dort) . Gottl1ardl1111nel (Bahn) H ierhergehorige...deren genaue Hcrkunft aber unbekannt ist ( ? Planggenstock). Ein Fund mit aul3erordentlich dunklem Rauchquarz |
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Planggenstock, Göscheneralp, Göschenen Valley, Göschenen, Reuss Valley, Uri, Switzerland