 | | Journal (article/letter/editorial) | | University] at 22:02 07 January 2015 Goboboseb Mountains Brandberg Region, Namibia BRUCE CAIRNCROSS Department...collected in the past few decades in the Brandberg region, Namibia. Excellent quartz specimens display a...forms that add to the appeal of specimens from the area. The quartz is well known for its luster, clarity...interest in the minerals of Namibia, particularly from Erongo and the Brandberg region. 442 ROCKS & MINERALS...climate that, in some areas, produces 100 percent rock outcrops, making it relatively easy to explore for |  | | Report (issue) | | variety amethyst, 10.5 cm tall Goboboseb Mountains, Erongo Region, Namibia Scott Rudolph collection, Jeff...petrify the frightened girl, turning her into pure crystal. Various versions impute all sorts of reprehensible...opponent would have been provided with a clear rock crystal goblet, while his clever antagonist drank water...is the uncooperative archaeological fact that rock crystal goblets and other containers are abundantly...important amethyst source emerged in the Auvergne region in south-central France, approximately corresponding |  | | Book | | mineral and lapidary society located in a mineral-poor area. However, this book reflects the very successful...Swakopmund District, Erongo Region, Namibia. Photo: John Hall CALCITE, 15mm crystal group - Ramsbeck, Meschede...many overseas field trips; to Europe, Siberia, Namibia, the USA & Canada and the Faroe Islands. Practical...aesthetics of shape, colour and reflection of light on crystal faces, The formation and association of different...of the hydrothermal alteration of granites. This rock was used in the Duke of Wellington's sarcophagus |  | | Journal (issue) | | Quarz. Breite 5,6 cm. Alle Stufen kommen aus der Region Pasto Bueno. Sammlung und Fotos J. Hyrsl. MundoNuevo...deposit, Lima Department,Peru: Description and crystal structure. -Amer. Mineral. 97, 1199-1205. HYRSL...Quarzen" aus Brasilien von der Farm Ameib im Erongo in Namibia wurden auch wenige Zehntelmillimeter messende...NIEDERMAYR et al. 2012) von der Farm Ameib im Erongo in Namibia. Gersdorffit NiAsS Intensiv metallisch glänzende...mm dicke scheibchenförmige Gebilde im in dieser Region liegenden bedeutenden Vorkommen von Little Falls |  | | Book | | vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...is not common in the metasedimentary rocks of the area which host these species, but "reasonably good"...Shelley Lambert extracted excellent loose ilmenite crystal clusters from a calcite vein-dike digging site...Chamberlain, 1982; Joyce, 2006a). Some of the ilmenite crystal faces are partly overgrown by a brown coating which |  | | Catalog/List | | CATHEDRAL – MATCHED PAIR Rio Grande do Sul, South Region, Brazil This organically shaped Amethyst geode...inches long. At one point a large Calcite (?) crystal, covered by Amethyst, rested on top of the mound...mound. At a later point in time, the Calcite crystal dissolved, leaving a hollow echo of itself in the Amethyst...DEEP PURPLE AMETHYST “PORTA JOIA” WITH CALCITE CRYSTAL Artigas, Artigas Department, Uruguay A “porta joia”...shaped geode is a large white to colorless calcite crystal encircled with a contrasting girdle of purple amethyst |  | | Catalog/List | | Elliott, Donald Fuller, Darnell McCown, Nina Castro, Crystal Hartmann, Brenna Wilson, Tim Hose, Haley Hagen...on the button marked “Place Absentee Bid.” A new area on the same page will open up for you to enter your...of the world’s wild sheep. Living in the Bamou Mountains of Iran it is lightly hunted. This mount is a...Urial. This cross occurs naturally in the Alborz Mountains of northern Iran and in the Kavir Desert of north-central...Hemitragus jemlahicus Living in the Himalayan Mountains of Nepal, the tahr can demonstrate remarkable |  | | Catalog/List | | They are the Directors of this new and exciting area, having served as consultants in this arena for...enormous Japan-Law Twin Quartz, a giant Tanzanite crystal, and an exceptional Spanish Blue Fluorite as well...4 inch Gem Tanzanite crystal (Lot 49053), several world-class Tourmaline crystal groups (Lots 49049 and...49002 CITRINE GEODE PAIR Rio Grande do Sul, South Region, Brazil Citrine is one of the more desirable forms...nature of the geode allows light to enhance every crystal in this decorative tabletop specimen, which measures |  | | Book (edition) | | formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest X-ray powder...and opaque minerals. More attention is paid to crystal habit or aggregate development and their sizes...species must contain chemical formula, structure (crystal system, space group, and unit cell dimensions)...units (A), expressed differently according to the crystal system: only a for the cubic system, a,c for the...specifying the orientation of the crystal faces in relation to the crystal axes, a set of three or four numbers |  | 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) | | on a knowledge of physical properties such as crystal morphology, color, luster, hardness, cleavage,...edition, all of the interfacial angles from the crystal elements were recalculated, the Miller-Bravais...Mineralogy, Natural History Museum, London, England. Rock H. Currier: Jewel Tunnel Imports, Baldwin Park,...crystallographic data, including structure crystal crystal and powder diffraction results, the morphology...Linneaus but based on a combination of chemistry and crystal structure of the minerals. These numbers facilitate |  | | Book | | Iftyifl 040 „epi-oo. 0e0l-0Q. Kick at the rock, Sam Johnson, break your bones but cloudy, cloudy...Wheeler, and Walter S. White. Engineering geology and rock mechanics: Mary Hill, Eugene Kojan, and David J...moval of the ore. Engineering geology, including rock and soil mechanics and mass movements. Geochemistry...cause it has a meaning in more than one subject area, an abbreviated notation of the particular subject...amount of snow or ice removed by the pro¬ ence in crystal description. It is the axis that is oriented hori¬ |
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