 | | Catalog/List | | calcite. 14 Africa Liddicoatite Tourmaline with Quartz Anjanbonoina, Antananarivo Prov., Madagascar 7...extreme rarity. This rubellite red liddicoatite and quartz was mined in 2018. It was part of a small pocket...wonderfully large crystals of wine-red tourmaline with smoky quartz and cleavelandite that rival the great historical... AT L A S La Viesca, ES La Viesca Mine Uri, CH Tiefen Glacier Chamonix, FR Sardinia, ITA The Alps...specimens, including the smoky separate distinct group known as âAlpine Minerals.â quartz gwindels for which |  | | Journal (issue) | | For YourBookshelf 18 Bwlchglas Mine 20 Alpine Quartz L. Gautron 29 Muirshiel Mine 40 The Copper...on smoky quartz. Mont Blanc, France. Pink fluorite is one of the most prized associates of quartz in... sits on a small group of doubly-terminated smoky quartz. Frederic Escaut collection. Photo: Mick Cooper...discussed as we go to press. Only the smoky variety of quartz specimens were now available throughout...many fine tourmaline crystals, either loose or on quartz, including the highly prized pink and green bicoloured |  | | Journal (issue) | | . 6 - AUGUST , 1896 . 81 CONTENTS . CONCERNING QUARTZ - Part III , A GENERAL DESCRIPTION OF CUMBERLAND...contain any text recoverable by the OCR engine. SMOKY QUARTZ CRYSTAL INCLOSING RUTILE. Locality : Waterbury...Collector. CONCERNING QUARTZ. By A, C. Bates. PART III. Some varieties of quartz have been used for gem...literature in the fullest manner. In my talks upon quartz I have thus far avoided mention of gems and the...history of its occurrence. In color it is a brilliant smoky brown and perfectly transparent. Acicular crystals |  | | Journal (issue) | | Front cover: Fluorite on Amazonite 7.5 cm, from the Smoky Hawk claim, Colorado. Collected by the Dorris family;...he carefully pried away the jagged, iron-stained quartz rock from the ever-widening seam. It finally opened...came from a single cavity lined with crystals of quartz, orthoclase and lepidolite, accompanied by small...smooth crystal faces. At first I imagined them to be quartz crystals. But then, with the aid of a flashlight...King County, Washington, 1977 Beautiful pyrite and quartz specimens are Washington classics, but to mine |  | | Journal (issue) | | in the Valley of the Fiescher Glacier, Oberwallis Region, Switzerland ................................................... 431 . by J. Grandjean Faden quartz from Bierghes, Brabant, Belgium .................Mexico 11 x 10.5 x 5.2cm Quartz var. Morion, Tiefen glacier, Switzerland, 15 cm Photo: Malte Sickinger...budil-minerals.com Quartz var. open and closed Gwindel, Winterstock, Switzerland, 8.5 cm Photo: Malte...collectible species. Interesting microcrystals of pyrite, quartz and marcasite have been recovered as well. LOCATION |  | | Book (volume) | | book by K. V. Zinserling, Artificial Twinning of Quartz, published by the Academy of Sciences of the USSR...Historically, interest in the descriptive morphology of quartz, although long continued, was predominant in the...structural and crystallochemical properties of quartz and of the other polymorphs of silica are now the...the selection of colorless, limpid crystals of quartz and of other minerals as standards for the measurement...variations apparently always present in natural quartz. After a century of extremely precise and laborious |  | | Journal (issue) | | Bochum, W. Germany Eric Offermann Ariesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA photomicrography:...Hematite overgrowths delineating Dauphine twinning in quartz 227 W. A. Henderson The legacy of Jack B oyle...L. Horowitz Great pockets: the Tiefengletscher quartz g ro tto ........................................Japan, Algeria, Copenhagen, London, France, Switzerland, Italy, Canada, Mexico City, and the United States...with special emphasis on Germany, Austria and Switzerland. Articles on the fundamentals and methods of |  | | Book | | and points of reference. A stick thrown onto a glacier, however, even if we stare at it for a month, does...a straight row of postsacross the surface of a glacier and marking reference points on land in line with...Staurolite (brown) in Mica Schist. Monte Campione, Switzerland. 6 x 8 cm. Becausethey form exclusively under...Earth's crust, into clays, releasing grains of quartz and other minerals. These smaller particles are...such as amphiboles, micas, potassium feldspar, and quartz crystallized. In addition to quantitatively describing |  | | Book | | C.DAKE FRANK L.FLEENER and BEN HUR WILSON L^ Quartz Family Minerals A Handbook for the Mineral ...described the large family where they may be of quartz minerals found, how to identify them, how to cut...Chapters are devoted to the historical lore of quartz and to the various forms crystalline, massive,... amorphous, etc. in which It commonly occurs. Quartz minerals include many known under other names, such...littp://www.arcliive.org/details/quartzfamilymineOOdake QUARTZ FAMILY MINERALS Section of polished agate, |  | | Book | | Staurolite 179 Steatite Pyrope WA Succinite Quartz 180 Sugilite Rhodizite 186 Rhodochrosite Rhodolite...owner's rank. Gems as Trademarks and Tokens Intaglio quartz scarab with the cartouche of the Egyptlan king...inexpensive processes that separated materials Quartz crystals from Corinto, Minas Gerais, Brazil. Height:...Gerais, Brazil. Photo: tals of such minerals as quartz, fluorite, and calcite considered these crystals...Portuguese conquest. When the Brazilian ments, as quartz, feldspar, mica, as well as of those rich in rare |  | | Journal (issue) | | Ebernard Eqult Rhodochrosite The Juow Cone" with Quartz andJobrahedvite, Goodluck Packet, Sweet Home Mine...und Mineralogie: Eberhard Equit Mit Rose quartz on smoky quartz, Sapucaia Mine, ConcetheiroFens, Minas...Neumeier 10/2019 + LAPIS » 61 . Morion, Tiefen glacier, Switzerland, 15 cm Photos: Malte Sickinger Monaco...Verkauf durch Crystal Art Gallery Zurich, Switzerland Phone +41â44 201 e.w. mattiânachlass www.crystalart |  | | Book (volume) | | Jadeite (Chloromelanite) Quartz . A. Crystallised Quartz . Rock-crystal .... Smoky-quartz .... Amethyst ........ Citrine ..... Rose-quartz .... Prase .... Sapphire-quartz Quartz with enclosures . . . . 420 420...Catâs-eye . . . . Tiger-eye. . . 491 493 B. Compact Quartz Hornstone .... Wood-stone .... Chrysoprase ......: Elba . and . green . .... enclosures Smoky-quartz, crystals ,. .35, c. â 4a, 5. â â cut...356, 357 Piedmont â 11. 418 472, 474, 476 QUARTZ (AND GARNET). cut. [See also PI. XVIII., Fig |  | | Book | | 82 85 87 89 91 94 96 99 44- PITCH 101 45. QUARTZ 46. RUBY 106 47. SALT 109 48. SAPPHIRE...(invincible) to quite a number of hard minerals, including quartz, emery, hematite, and some transparent gems. Theophrastus...Sapphire. 2. AGATE Agate: a semiprecious stone of the quartz family, highly valued by ancient civilizations...in deposition of layer after layer of multihued quartz until the cavity is completely filled. Cavities...form of chalcedony, the fine-grained variety of quartz. The Sumerians, the first known inhabitants of |  | | Book | | But the scholars say a gem, whether of emerald or quartz, is not a gem unless engraved. Other times, other...emerald above all, in the many varieties of the quartz family, some transparent, more translucent, many..." but as it is always opaque, an impure form of quartz, it could hardly, even in a vision, seem clear...specific gravity is 2.65 to 2.75, hardly more than quartz, and its lustre vitreous to resinous. Its composition...chrysoberyl cat's-eye has an understudy, so to speak, in quartz, a far lighter and softer stone, and not found |  | | Report (issue) | | tiny daughter minerals. One of these is apparently quartz; in the large central inclusion it can be seen...----------------------------Inclusions from pegmatites and quartz veins Inclusions from various minerals and rocks...Inclusions from igneous rocks, pegmatites, and quartz veins ---------------------- 54 Inclusions from...Graph showing calculated variation in density of quartz from presence of fluid-filled inclusions ----------4...Dolgov (1959) believes that some fluid inclusions in quartz form from the fluids present during later recrystallization |  | | Book (edition) | | objects all things considered, or Japanese twins of quartz which, to the beginner, may look little different...one because two of its minerals, feldspar and quartz, are the most abundant of all minerals. âThis...well-known polymorphs are tridymite, cristobalite, and quartz, all of which are silicon dioxide, and rutile...such it has practically the same composition as quartz, yet it always occurs in formless masses which...porous and relatively lighter than an equal mass of quartz. It must therefore contain numerous minute pores |  | | Book | | Portugal Romania Russia Slovakia Spain .. Sweden Switzerland Ukraine Republic United Kingdom . United States...Felbertal; epidotes, Untersulzbachtal; biggest smoky quartz of the Eastern Alps (203 kg). Uses and services:...(Fluorite, Beryllium minerals, Sceptre quartz, Alpine quartz, Treasures of the Hohe Tauern, Habachtal)...and 14:00 to 16:00. Exhibits: Specimens with smoky quartz, feldspar (albite, orthoclase, cleavelandite)...with cups of rock crystals; morion and tabular quartz from Maissau; amethyst specimens and amethyst breccias |  | | Book (edition) | | point to a yard or more in diameA single crystal of quartz, now at Milan, is three and a quarter feet long...of quartz near the Tiefen Glacier, in Switzerland, discovered in has afforded 1867, smoky quartz crystals...the term crystal was applied only to crystals of quartz (f. 1), which the ancient philosophers believed...in the annexed figure (f. 155) of a crystal of quartz, in which there are only three planes, 2-2 at each...a top view of a crystal), and the prism *-2 in quartz. Both these forms properly belong to the Rhomboliedral |  | | Book (edition) | | (21). (20). Tourmaline Type Phenacite Type Quartz Type 109 110 112 114 Mathematical Relations...the term crystal was applied only to crystals of quartz, which the ancient philosophers believed to be...cryptocrystalline; this is true of some massive varieties of quartz. If the definite molecular structure is entirely...in crystals of small size. A single crystal of quartz, now at Milan, is three and a quarter feet long...vein of quartz near the Tiefen Glacier, in Switzerland, discovered in 1867, afforded smoky quartz crystals |  | | Book (edition) | | point to a yard or more in diameA single crystal of quartz, now at Milan, is three and a quarter feet long-...of quartz near the Tiefen Glacier, in Switzerland, discovered in 18fi7, has afforded smoky quartz crystals...the term crystal was applied only to crystals of quartz (f. 1), which the ancient philosophers believed...in the annexed figure (f. 155) of a crystal of quartz, in which there are only three planes, 2-2 at each...hemihedral in tourmaline (f. 156, prism ^-2 in quartz. Both these forms trical â 2. hedral division |  | | Book (edition) | | point to a yard or more in diameA single crystal of quartz, now at Milan, is three and a quarter feet long...single cavity in a vein of quartz near the Tiefen Glacier, in Switzerland, discovered in a 1867, has...has afforded smoky quartz crystals weighing in the aggregate about 20,000 pounds considerable number of...the term crystal was applied only to crystals of quartz (f. I), which the ancient philosophers believed...in the annexed figure (f. 155) of a crystal of quartz, in which there are only three planes, 2-2 at each |  | 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 | | and non- names such as amethyst for violet quartz and ruby for red corundum. Then there are series...the spinel group because of its spinel structure; quartz syenite, the name of a rock different from quartzbearing...petrographische Mitteilungen, 1920-, Zurich, Switzerland. Science, 1 883-, American Association for the...Mineral and Ore Deposits Mineralogic Phase Rule Quartz Mineral Properties Minerals, Uniaxial and Biaxial... J. GRAY, Director, Atlantic Industrial Re- Quartz; mineral descriptions. search Institute, MICHAEL |
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Tiefen glacier, Tiefenbach, Realp, Urseren, Uri, Switzerland