 | | Book | | changes within the crust, covers a wide area, or region. The slaty texture is very marked in the epi- and...trapezohedron faces (cp. Fig. 17, p. 131) . Switzerland. Be/,;w Elongated prismatic crysffiis (cp. Fig...cavities of Alpine type around the Gross Venediger. SWITZERLAND - Riffelberg near Zermatt. 77 ARGENTITE Ag...South-West Africa. &low Smoky ciuartz. Val Giuv, Switzerland. PLATE 15 Sea produced 'yellow copper'...crystals ( l ! !) in Alpine vugs in the Grimsel region, Tavesch, and exceptional crystals in the marble |  | | Journal (issue) | | looking squarely into the top of a stone at the culet region; doubling is only seen when focusing deeper at...gemstone material in facets, but not in the culet region (here somewhat out of focus) because the view is...2300°C; • growing crystal 100°C cooler than the feed region; • seed crystal orientation slightly off axis and...relative transparency in the near-ultraviolet, a region where near-colourless diamond is transparent and...diamondiferous gneiss and marble from the Lake KumdyKol region of the Kokchetav Massif, N Kazakhstan. The examination |  | | Book | | | brittle, striated cleavage planes Pare in : Val Sarentina, Italy ALSTONITE CaCO, + BaCo,, (Bromlite)... MILARITE KCay [(Be,Al)SiOro]s Val Giuv, Graubinden, Switzerland aquamarine colourless, white pearly...(Felspar Family) Intschitobel near Amsteg, Switzerland monoclinic barytes colourless, white, greenish...in alpine cracks, in ore veins quartz, albite, pericline, titanite, chlorite ADULARIA K[AI1Si3;05] rock...(Felspar Family) (Felspar Family) Grimsel, Switzerland Monte Somma, Vesuvius, Italy triclinic cf. |  | | Book | | 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...in numerous localities in Switzerland, it is only in the Maderanertal region of east-central Canton Uri...to Val Caverdiras; ilmenite rose-bearing clefts are found fairly commonly throughout this region, such...cavity linings of sharp, opaque white albite ("pericline") crystals emerged from Imilchil around 2002-2003; |  | | Book (edition) | | 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...between Monte Cenis and Mont Blanc, as well as in Val Malenco, Lombardy, Italy. A component of some skarns...Kunlun Mts., near Hotan, Xinjiang Uygur Autom. region, China, also at Fengtien, Taiwan. Green at Ospinskoye | | | Book | | MILARITE KCa[(Be,Al)Si4Oluh Vai Giuv, Graubitnden, Switzerland tabular crystals, frequent twin striation monoclinic...l ( Felspar Family Intschitobel near Amsteg. Switzerland barytes 101 102 colourless, white, greenish...albite, pericline, titanite, chlorite ADULARIA KlAlSi.OJ (Felspar Family) Grimscl, Switzerland colourless...adularia, titanite, rutile, anatase, chlorite PERICLINE Na(AlSi3O.) c K.Ca (Felspar Family) Rothenkopf...CaTi[OSiO«] (Sphene) Tavctsch, Bundner Oberland, Switzerland clear con choidal, brittle axinite, cf. No |
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