 | | Journal (article/letter/editorial) | | Penninic gneisses of the Simano nappe at Arvigo (Val Calanca). Rail and road tunnel construction across...epidote + quartz + H2O = laumontite + prehnite, at low-pressure end and epidote + chlorite + quartz + H2O...pumpellyite at high-pressure end; (2) laumontite + quartz + H2O = heulandite (Cho et al., 1987). Dashed arrow...cooling path derived from ďŹuid inclusions in ďŹssure quartz (Mullis et al., 1994). low pressures (<200 MPa)...metamorphic grade in the Aar- and Gotthard Massif region increases from subgreenschist facies in the north |  | | Catalog/List | | - 11. 12. ⢠Dfl ADULARIAxx - Val Strem, GraubUnden, Switzerland. Excellent large twinned transparant...translucent xla. ADULARIAxx vith SMOKYQUARTZxx - Val Giuv, Graubnnden, S~itzerland. Elongated terminated...length, with smaller xls, on a biterminated smoky quartz xl of 15 x 7. Excellent MIN. 30 x 20 x 14 APATITE...shades in purple, partially embedded on a matrix of quartz, fluorite and to~az. Nice. F.x. Bergakademie Freibere...sits nicely on a matrix of terminated elongated quartz xls with graphite incluaiona. Boxed. ~7 x 46 x |  | | Journal (article/letter/editorial) | | contains euhedral quartzes (rock crystals, smoky quartz and morion quartz) of very variable sizes. Typically...earliest mineral fissures formed at about 400 °C and quartz-filled fissures continued to form to temperatures...metamorphic grade in the Aar- and Gotthard Massif region increases from lower greenschist facies in the...from surface outcrops in the Rien valley hosted in quartz veins occurs as light reddish to brownish aggregates...Stb as early phase in a fissure Gotthard NEAT Val Strem/Gr Tunnel sample TW02 Qtz-Lmt-Stb Surface samples |  | | Journal (issue) | | Behnke Northbrook, IL Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica.... . . . . . . . . . . .95 by R. Appiani Alpine quartz gwindels . . . . . . . . . . . . . . . . . . .... . .171 COVER: SMOKY UARTZ GWINDEL, 9.5 cm, from the G scheneralp, Uri, Switzerland. Daniel von Fl e...collection; photo by Thomas Sch pbach. See the article on quartz gwindels in this issue. The Mineralogical Record...crystal groups ever found, as well as albite, smoky quartz, goethite, fluorite, and many rare species at |  | | Journal (issue) | | com Frontcover Smoky quartz with amazonite, 11.8 cm, from the "Smithsonian packet," Smoky Hawk claim, Florissant...most farnous collector species like amazonite, smoky quartz, rhodochrosite, fl uorite, gold and silver minerals...this cabinet by a characteristic sample of wbite quartz, interspersed with gold, but the owner of the mine...another in wbich the weight of gold was equal to the quartz. This shows how easy it is for a royal cabinet...three-fourths of an inch lang. Another wonder is a quartz crystal, tipped with sbining gold; and other mineral |  | | Catalog/List | | 001 ACANTHITE xx - Medenec, A multi-terminated of quartz and fluorite. Czechoslovakia. complex mass, Nice...TRANSPARANT X AND XX ON /OFF MATRIX FROM VAL GIUV, GRAUBUNDEN, SWITZERLAND intergrowth of xls. Nice. 49x33x30...14,00 024 BARYTES xx - Cavradi, Graublinden, Switzerland. A light brown c¡paq\..~ 1->laty xl. Unusual... 62x58x38 CHERNOVITE x - Mte Cervandone, Ossola Val, Novaru, Italy. A tiny xlâ˘on matrix. Very rare. 34x16x16...locali~y. 57x40x35 110 GARNET variety HESSONITE xx - Val d'Ala, Piemonte, Italy. Ano¡~her c:assic. H~dreds |  | | Journal (issue) | | (Mineralogical Record Library.) Figure 11. Topaz with quartz and kaolinite on matrix from Schneckenstein; plate...SeptemberâOctober, 2008 3 1 Figure 12. Topaz and quartz matrix specimen (6.3 cm) and two single crystals...photo. Figure 17. Topaz crystal, 1.4 cm, with quartz crystals and kaolinite, from Schneckenstein. Freiberg...collection; R. Bode photo. Figure 18. A large quartz crystal, about 5 cm tall, with attached topaz crystal... Figure 19. Topaz crystal, 1.7 cm on an edge, with quartz and kaolinite from Schneckenstein. Formerly in |  | | Report (issue) | | phosphate type pegmatites, beryl is associated with quartz, microcline, albite, muscovite, biotite, ferrocolumbite...Alpine and hydrothermal veins, it is found with quartz and feldspar. In topaz rhyolites where red beryl...beryl is found, topaz, high-temperature quartz, and bixbyite are common associates of beryl. Alteration...2.87 1 (50) A bove: Beryl, topaz, a/bite, and quartz; 15 cm from the Shigar Valley, Skardu district...2) species. Low pH fluids (pH~2-3) result in quartz as the dominant alteration product. A pH of 4-5 |  | | 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,...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...9: 1 (Gaines, 1971; Pimentel er al., 2009). SWITZERLAND Maderanertal east of Arnsteg, Uri. In the world |  | | Book | | the private Bally foundation at Schonenwerd, Switzerland; and the Folch Museum at Barcelona, Spain. Because...Germanspeaking countries (Germany, Austria, Switzerland). The reasons for this are partly because they...should be of specimens from localities within the region of that museum, or at least from the country concerned...rose", 10cm across, from Fibbia, St Gotthard, Switzerland. lnstitut fur Mineralogie und Lagerstattenlehre...Mineralogical Museum, University of Bonn. 22 Quartz (Rock crystal), of Dauphine habit, from the classic |  | 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) | | Rauchquarz (etwas vcrgroOert). Cavradi, unierstes Val Curnera. (Phot. I<. Buri, Sammlung V. Sichcr) DIE...3-85977-002-0 Copyright by Wepf & Co., Basel Printed in Switzerland Buchdruckcrci Birkhauser AG, Basel inTIWNRI...Talschaften des Valle d'Ossola und des Val Mera, allenfalls auch des Val Malenco einzubeziehen. Unsere Begri...GoUhardmassiv 38 Fundgebiet 1 : Amsteg-Maderanertal-Val Cavrein (H. A. Stalder) . Fundortgruppen 1 a bis.... . . . . . . . . . . . . 331 Fundgebiet 14 : Val Ferret-Trient-Martigny (H. A. Stalder) Fundortgruppen |  | | Book | | rock-forming minerals, among the commonest being quartz, feldspars, amphiboles, pyroxenes, micas, olivine...in CaO, FeO and MgO. They are mostly composed of quartz, feldspars, micas and, occasionally, of pyroxenes...minerals of economic value, such as feldspars, quartz and micas, often in crystals of considerable size...the hydrothermal formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals...ilmenite. Lighter, non-metallic minerals, such as quartz or feldspars, may also be found in large deposits | | | Book | | rock-forming minerals, among the commonest being quartz, feldspars, amphiboles, pyroxenes, micas, olivine...in CaO, FeO and MgO. They are mostly composed of quartz, feldspars, micas and, occasionally, of pyroxenes...minerals of economic value, such as feldspars, quartz and micas, often in crystals of considerable size...the hydrothermal formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals...ilmenite. Lighter, non-metallic minerals, such as quartz or feldspars, may also be found in large deposits |  | | Book | | Several specimens of a particular mineral, e.g. quartz, may vary not only in colour (see plates) but also...graphite. The basic element of the commonest mineral â quartz â is silica (SiO,), a compound of silicon and oxygen...â some 40-50 â are generally rock-forming, e.g. quartz, felspar, mica, pyroxene, amphibole and olivine...At a later stage they often become filled with quartz, agate or chalcedony. The largest part of the gases...walls of the fissures. Well known minerals, such as quartz and calcite, originate at this stage and are known |  | | 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 | | | Book | | Several specimens of a particular mineral, e.g. quartz, may vary not only in colour (see plates) but also...graphite. The basic element of the commonest mineral - quartz - is silica (SiO 2), a compound of silicon and...- some 40-50 - are generally rock-forming, e.g. quartz, felspar, mica, pyroxene, amphibole and olivine...At a later stage they often become filled with quartz, agate or chalcedony. The largest part of the gases...the fiss,u¡cs. \Xlell known n1.ineruls, such as quartz nnd -:nlcitt', originate at this stage and are |  | | Book (edition) | | very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...are not abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia)...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Hans A. Stalder: Natural History Museum, Bern, Switzerland. Hugo Strunz: Institute of Mineralogy, Technical...Especially when the mineral species is common, such as quartz (75.1.3.1), many varieties (jasper, onyx) are known...chemistry and structure are identical to those of quartz. 5D. Polytypes Materials whose basic structural...only with fibrous minerals Columbite, wolframite Quartz Opal, some yellow varieties of sphalerite Nepheline...are distinctive. Chonchoidal fracture, typical of quartz, gives a fracture similar to the interior of a |  | | Book (edition) | | mineral. Syn: accessory accessory plate a. The quartz wedge inserted in the microscope substage above...determine optical sign of uniaxial minerals. CF: quartz wedge b. The selenite plate that gives the sensitive...or reflection by, a crystalline material; e.g., quartz wedge, mica plate, gypsum plate, or Bertrand lens...or reflection by an anisotropic material; e.g., quartz wedge, mica plate, gypsum plate, or Berek compensator...luster Diamondlike luster. Hurlbut adamellite See: quartz monzonite adamic earth A term used for common clay |
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Val Strem, Tujetsch, Surselva Region, Grisons, Switzerland