 | | Book | | 12 Triclinic potassium feldspar: microcline and adularia . 4 1.2 Sodium Feldspar: Albite ....... 10 1.21...structural variants . . 114 3.214 The problem of adularia . . . . . .118 3.22 Sodium feldspar . . . . ....highly conjectural, likewise the relations sanidine-adularia. Many other problems existed and some of them...between Or and An at any temperature. Figure 1.2 Adularia types of orthoclase Although some feldspars exhibit...12 Triclinic potassium feldspar: microcline and adularia Breithaupt (1830) introduced the name microcline |  | | Book | | 9: 1 (Gaines, 1971; Pimentel er al., 2009). SWITZERLAND Maderanertal east of Arnsteg, Uri. In the world...hematite roses occur in numerous localities in Switzerland, it is only in the Maderanertal region of east-central...Discoveries, 1960-2015 ILMENITE AFRICA (Cherry) Mountains (Drnitriy Belakovskiy, personal communication...contact-metamorphic skarn rocks in the High Atlas mountains around the town of Imilchil began in the 2000s...AFRICA] Erongo Mountains, Damaraland. The igneous rocks of the 30 km-wide Erongo Mountains upland, 20 km |  | | Book | | true symmetry are controversial. Adularia - K-feldspars with the adularia habit may exist in infinite ways...unusual morphology and structural properties. Adularia, a K-feldspar, crystallizes with considerable...consistent with a center of symmetry, except for adularia (Hankel 1877 quoted by Taylor 1933; Zilczer and...C orthoclase LOW SANIDINE IJ"·AI B adularia oA2 'adularia INTERMEDIATE Hi·.A3 MICROCLfNE Ko 0...of rudimentary domains. An adularia specimen from St. Gotthard, Switzerland (Phillips and Ribbe 1973 a) |  | | Journal (issue) | | in the Yekaterinburg river valley in the Ural Mountains, in deposits of coarse-grained rocks that were...(dodecahedral) crystal faces from the Otztal Mountains, Austria. The rock base is made of schist which...quartz. The best examples come from the Ural Mountains of Russia, the islands of Ceylon and Madagascar...Nigeria, Pakistan, the Russian Ural Mountains and in the Mourne Mountains in the Republic of Ireland. w C/...Egypt; India; Italy; Japan; Russia (the Ural Mountains); Spain; Tanzania; USA {Rutland, Vermont). '· |  | | Journal (issue) | | crystals are on a brecciated matrix coated with adularia microcrystals. Individual crystals are up to 2...funnstedet Chiavenna i Italia, adular etter Adula Mountains i Sveits, amazonitt etter elva Amazonas, pargasitt...and mining history of Thuringia and the Harz mountains: Gold and placer deposits of Thuringia (With special |  | | Book | | Glasgow, U.K. Chromian Amesite, Sarani, Ural Mountains, Russia a ae| Abelsonite C3,H32N4Ni, known as... 65, 205. Adularia Variety of orthoclase and microcline. Named after the Adula Mountains, Graubunden... Milano, 57. its constituents. Miask, IImen Mountains, Russia. Berzelius, J.J. (1828): Jahres. Fortsch...discovery locality, at the Akhtenskii deposit, Ural Mountains, Russia. Visser (1979) In Chukhrov, F.V. et al...its discovery locality, at Ziryanovsk, Altai Mountains, Semipalatinsk Province, Kazakhstan. Rose, G. |
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