 | | Book | | 5 goslarite 59 grandidierite 85 graphite 5 greenockite I1 greenovite 81 grossularite 78 gummite 36 gypsum...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite,... Wales r, at Pragratten in the Tyrol and (Austria), Bristol, C Redruth cticut. in Cornwali...(Italy); Alps red blende crystals Wurtzite, greenockite Wurtzite is a hexagonal modification of zinc...association with blende, is the cadmium sulphide, greenockite, CdS, in greenishyellow coatings. Tetrahedrite |  | | | | 5,5 goslarite 59 grandidierite 85 graphite 5 greenockite 11 greenovite 81 grossularite 78 gummite 36 gypsum...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite,...obtained in crystal form at Pragratten in the Tyrol (Austria), Redruth in Cornwall (England), and Bristol,...Tetrahedrite, Cu,SbS,: hardness 3.5-4.5. Wurtzite, greenockite Wurtzite is a hexagonal modification of zinc...widespread mineral is to be found in most countries. greenockite, with CdS, blende, is the in greenish- |  | | Book | | Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in...some differences. Transparency may also become lower because of mechanical effects - small rifts often | | | Book | | Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in...some differences. Transparency may also become lower because of mechanical effects — small rifts often | | | Book | | 5 goslari te 59 grandidierite 85 graphite 5 greenockite 11 greenovite 81 grossularite 78 gummite 36 gypsum...found at Butte, Montana, and the Copper Rjver district of Alaska. A much rarer mineral is covellite,...obtained in crystal form at Pragratten in the Tyrol (Austria), Redruth in Cornwall (England), and Brist'ol,...association with blende, is the cadmium sulphide, greenockite, CdS, in greenishyellow coatings. Chalcopyrite...Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria), and Cornwall, England. In the United States good |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...such as Porcupine and Hemlo districts; Noranda district, Quebec. USA: Mother Lode belt and others in...Localities Canada: Cobalt mining district and Thunder Bay District, Ontario. USA: several localities... Wire silver, Silver Islet Mine, Thunder Bay District, Ontario, Canada * 11.5 x 14x 11 om Silver has...xe2e0x Gem Copper, New Cornelia (Ajo) Mine, Ajo district, Arizona, USA 6 Keo lecm LEFT: Au (China, Eastern |  | | 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...10H,O (Glauber Salt) Hallstatt, Salzkammergut, Austria colourless, white, yellow, grey, red, brown vitreous |  | | Book | | Hruby (Czech Republic), E. Kirchner (Austria), B. Kirchner (Austria), J. Komínek (Czech Republic), I. Bojkov.... . . . . . . . . . . . . . . . . 1 Chapter 1 Austria . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . 2.1.1 Bukhovo District .. . . . . . . . . . . . . . . . . . . . . . .... . . . . . 3.1.1 Jáchymov (St. Joachimsthal) District, Northwest Bohemia . . . . . . . . . . . . . .... . . . . . . . . . . . . 3.1.2 Horní Slavkov District, Northwest Bohemia .. . . . . . . . . . . . . |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Grossgreiner Mt., overlooking Zillertal Valley, Tirol, Austria, and at Passo di Vizze, Trentino-Alto Adige, Italy...Counties, California, etc. At Jordan6w Slcl5ki, Lower Silesia, Poland. The oldest known deposits of white...crystals in Obersulzbachtal Valley, Salzburg, Austria. AM 61,178, 1976. Af ghanite (Na.I<,Ca)6Ca 2 [...Trostau. Albite - pericline, xx 20 mm, the Alps, Austria, G Fichtelgebirge ~fts.. Bavaria,Gennany.Albite-bearing | | | 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...10H-O (Glauber Salt) Hallstatt, Salzkammergut, Austria very good soft, inelastic, flexible columnar...PLUMBO CALCITE (Pb,Ca)CO.t Blciberg, Carinthia, Austria WITHERITE BaCO3 Alston Moor, Westmorland, England |  | | Book | | Antimony. Native Antimony, Stibium Cadmium. Greenockite Molybdine 65 Antimonite, Stibine Red Antimony...upper pyramid is called the crown or culasse, the lower the calette. The edges are so provided with rhombic...valuable of all; it occurs of the finest quality in lower India and in Ceylon. The rough carat is valued at...from Naxos; it is, however, also found near Schwarzenberg in the Erzgebirge of Saxony, and is used for...distinguished from the ruby, sapphire, and emerald by its lower degree of hardness and by the difference in colour |  | | Book (edition) | | the nonheat-resisting glass. In the former, the lower edge of transmission is about 3200-3100 A.U., depending...Specimens of corundum from the Zout- pansburg district, Transvaal, respond to long waves with a variable...waves; the material from the Rochester mining district, Nevada, fluo resces a doubtful weak flesh with... The absorp tion spectrum overlaps the violet (lower) edge of the fluorescence band. In a spectrograph^...Chlorophane in 1903. Chlorophane from the Long Hill district, Trumbull, Conn., was found by K. H. Roll (1944) |  | | Book (edition) | | there is an imitation of the another system of lower grade, is particularly common in The result is reached...possible for the given system, while the others are lower in grade of symmetry. It is important to note that...bXos, comOn the other hand, under the classes of lower symplete, and Mpz, face). metry, a certain form... CRYSTALLOGRAPHY 22 In certain classes of still lower symmetry a given crystal form may have ut one-quarter...occur 29. Hemimorphic Forms. under the classes of lower symmetry than that of the normal class which are |  | | Book | | composition), 600 to 900 meters thick, in the Oligocene to Lower Miocene John Day Formation in central Oregon (Hay...natrolite, gonnardite, gismondine, and faujasite; and a lower zone (up to 8 meters thick) that is analcime-dominant...covering of the flow by additional flows before the lower flow has cooled, differences in chemical environment...breccia and in the vesicular base of Oligocene to Lower Miocene columnar basalt in the Narre Warren Quarry...altered by the solutions to form minerals stable at lower temperatures. The resulting pegmatites or miarolitic | | | Book | | composition), 600 to 900 meters thick, in the Oligocene to Lower Miocene John Day Formation in central Oregon (Hay...natrolite, gonnardite, gismondine, and faujasite; and a lower zone (up to 8 meters thick) that is analcime-dominant...covering of the flow by additional flows before the lower flow has cooled, differences in chemical environment...breccia and in the vesicular base of Oligocene to Lower Miocene columnar basalt in the Narre Warren Quarry...altered by the solutions to form minerals stable at lower temperatures. The resulting pegmatites or miarolitic |  | | Book | | dian1eter, occurred in P0ibram, Czech Republic. Greenockite CdS Freibergite HEXAGONAL (Ag,Cu,Fe) I2(Sb...described from P0ibram, Czech Republic; Bleiberg, Austria and from the deposits in the Tri State region,... Ullmanite, 60 mm. Bou Cricha, Morocco Lolling, Austria. Crystals up to 10 mm Cl• in) were found in Ksice...Norway; large crystals also occur in the Temiskaming district, Quebec, Canada; tabular crystals up to 120 mm...Saint Pons. France 52 Emplectite, 60 mm, Schwarzenberg, Germany Wittichenite, 50 mm, Wittichen, Germany |  | | Book (edition) | | vertically arranged, is the commoner, the right-hand (or lower) one a less frequent but important habit, or occasionally...Argentite 7 Chalcocite, Bornite, Chalcopyrite, Greenockite, Pyrrhotite, Niccolite : 8 Millerite, Bismuthinite...where there is often a slight yellow touch. The lower part of the flame, just at the tip of the blue...dolomite (Joplin District, MissouriKansas-Oklahoma) p. 92 6. Sphalerite (Joplin District, MissouriKansas-Oklahoma)...temperature at which basalt melts and freezes is much lower than that of rhyolite, and its lava is more fluid |  | | Book | | in the twin (fig. 47,), with the signooR. R, the lower half crystal of calc-spar being the same form...clined ; section the latter is T the two lower by ,P and P /} as in the figure. The further...the Fig. T2. rhombohedrons R and 2R, and on the lower end by the basal pinakoid. In fig. 72 of electric...basis k, two brachydomqs o and p whilst on the lower end it is bounded by the faces P of the primary...window. the upper bars of the window, and also the lower bar, or instead of the latter a white line on the |  | | Book | | out of individual little grains can simulate a lower hardness value. You need to pay even closer attention...highest density, while other aggregate forms yield lower values. Collectors can determine density by lifting...of the Central Alps (at R auris and Gastein) in Austria. • High-temperature pyrite deposits are veins and...and marcasite. Examples: Bleiberg in Carinthia, Austria and Wiesloch near Heidelberg, Germany. Bismuth... • . ... N r • • Titanite, Habachtal (Austria), 1Ox Lahn-Dill Basin (Germany), wruch arose in |  | | Book (edition) | | Pierre-Jacques Chiappero (France). G. Daxner (Austria). M. Dcliens (Belgium). Giancarlo Delia Ventura... Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria). Werner Krause (Gennany). Andre Lalonde...Lalonde (Canada), P. Leblhuber (Austria), Andrew Locock (Canada). J.A. Mandarino (deceased) (Canada),...Filippo Olmi (deccased) (ltaly). Werner H. Paar (Austria). Gian Carlo Parodi (France). Marco Pa ero (ltaly)...(Canada). Alan R. Plante (deceased) (USA), L. Putz (Austria). Gunnar Raade ( orway). Robert A. Ramik (Canada) |  | | Book | | diameter, occurred in Poibram, Czech Republic. Greenockite CdS Freibergite HEXAGONAL • • • (Ag,Cu...described from Poibram. Czech Republic; Bleiberg, Austria and from the deposits in the Tri State region,... Ullmanite, 60 mm, Sou Cricha. Morocco Lolling, Austria. Crystals up to 10 mm ('/> in) were found in Ksice...Norway: large crystals also occur in the Temiskaming district, Quebec, Canada; tabular crystals up to 120 mm...Pons, France Germany Empleclile, 60 mm. Schwarzenberg, Germany in size. The world's best crystals |  | | Report (issue) | | 4 2496Q (Cu/Ni)—East Gold mine, Bowser River district, Portland Canal area, B.C. Composition close...11; Z = 4 521 (Cu/Ni)—Germanson Landing, Omineca district, B.C. (about 80 per cent silver). Pattern similar...On°-Fm3m; a = 3.872; 1333 (Cu/Ni)—Sheep Creek, district, Yukon (ferrian platinum) Z = 4 Kluane Cell...trict, Yukon; East fork of Nansen Creek, Carmacks district, Yukon; and Red Cloud Boulder d(calc.) Soil...Clear Creek, McQuesten district, Yukon (placer); Highet Creek, Mayo district, Yukon (placer); Windpass |  | | Book | | solidif}^ at temperatures several hundred degrees lower, and thus after the ore minerals. 2. Magmatic differentiation...(Schemnitz, the silver-tin ores of Bolivia). There is no lower temperature limit of hydrothermal deposits. They...Chalcopyrite-siderite formation: Mainly notably lower in temperature of formation t h a n the related...southern Norway belongs most probably to this type. At lower temperatures the number of '"resurgent" thermal...and in spring pools under the direct influence of lower or higher plants. 5. Plants often play the deciding |  | | Book | | readily, but with a long smoky flame, and with lower heating power than the higher ranks of coal. Because...representing flattened stems or trunks. Anthracite has a lower percentage of volatile hydrocarbons and higher percentage...Science, N.S. XXIII; 696, 1906. III. Cerrillos Hills district, N.M.—Johnson, Sch. of M. Quart., XXIV: 492, 1903...the layers of the coal. Although in peat beds the lower layers are under gentle pressure, so that a bed...the Upper Carboniferous and in the Pocono of the Lower Carboniferous or Mississippian. ¥ 50 The coals are |  | | Book | | the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli) 8:287-293 Minerals...10:85-89 Micromounting in the eastern Alps of Austria (by K. Kotal) 13:171-173 ALSTONITE An occurrence...Rybicki) 7:72-77 Chalcanthite from the Helvetia district, Arizona (by G. Robinson) 9:252 Cuprite [from...Arizona (by W. A. Thompson) 11:248-250 The Tombstone district, Cochise County, Arizona (by S. A. Williams) 11:251-257... A. Scovil) 21:99-100 Arizona's Silver mining district (by P. Bancroft & G. Bricker) 21:151-168 The Fat |
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