 | | Report (issue) | | To Our Readers: Pakistan is a mineralogically-rich and interesting country. The quantity of Pakistani...us by surprise when people began to ask, "Why Pakistan; why now?" It has never been our intention to...the mineral deposits of the high mountains of Pakistan and Afghanistan. Once into the project, however...justice to neither. We decided to limit our focus to Pakistan, though even focused on a single country, a comprehensive...19.6 cm high Shigar Valley, Skardu district, Northern Areas, Pakistan P hoto by Jeff Scovil Collection |  | | Journal (issue) | | from the C en ten n ia l Eureka m in e, T intic district, Juab C ounty, U ta h ..........................end o f the Wallapai Mining District. The major mining centers of the district included Cerbat, Chloride...is gener ally at a stand-still throughout the district. The town of Cerbat played a lively role in the...the early history of the region. It was at its peak during the 1860’s through the 1880’s, even serving...the Cerbat M ountains and the Wallapai Mining District is extremely complex and beyond the scope of this |  | | Journal (issue) | | Choice: Topaz from Granite Pegmatites, Limoeiro Mine, Virgem da Lapa, Ara~uaf Pegmatite District, . Minas...99 Coming Events Topaz, p. 36 Signature specimen, p. 86 ABOUT THE COVER: Topaz with lepidolite, a/bite...5 cm, Limoeiro mine, Virgem da Lapa, Ara<;uar district, Minas Gerais, Brazil; private collection, Jeff...Heliodor, 5.5 x 14.2 cm, Minas Gerais, Brazil; B: Topaz, 8 x 10.5 cm, Minas Gerais, Brazil; C: Aquamarine...Ukraine • Roy Bassoo - Trace Elements in Texas Topaz and Their Petrogenetic Significance • Calvin Mako |  | | Journal (issue) | | by C. A. Francis Pakistan Gem pegmatites of the Shingus-Dusso area, Gilgit, Pakistan....................species will be inevitable; for instance, the Pakistan pegmatites covered here have also yielded superb...localities: the Himalaya dike system, Mesa Grande district, California (by E. E. Foord) [1977, vol. 8, no...Eichholz’s translation, 1971) “Caria” is an ancient district in southwestern Asia Minor. The In dian stones...Gem and lithiumbearing pegmatites of the Pala district, San Diego County, California. California Department |  | | Report (volume) | | evolution of the North Karakoram cover, North Pakistan Zi Gaetan, 39 M., JADouL, F., Erpa, E. & Garzanti...granitoid structure of the Hunza Karakoram, north Pakistan TreLoar, magmatism P.J. & Izatr, C.N. Tectonics...West Pakistan 89 Aumep, Z. Leucocratic rocks from the Bela ophiolite, Khuzdar district, Pakistan Arir...zone of Pakistan Jan, M.Q., Kuan, North Pakistan Kuan, M.A., JAN, B.L. Evolution Pakistan: temporal...reconstruction of the Dir Group: within Kohistan, N. Pakistan Haynes, J.R. & Rex, D.C. evidence for magmatic |  | | Report (issue) | | Schor! and microcline from Pakistan's world famous Gilgit area. The schorl is 4. 7 cm high. Photo Jeff Scovil;...d-values are given in A (Angstrom) and the relative peak intensities are shown in parentheses. Positive identification...patterns with the seven highest intensity d spacings (peak intensity in parentheses) The Crystal Structure...Bronze-brown; streak: yellow-brown; luster: vit district Corinthia in Austria and Slovenia, dravite is...and Parafba, Brazil; Sahatany Valley pegmatite district in Madagascar; Nigeria; Namibia; Nuristan Valley |  | | Book (edition) | | mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage. The collected...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....abbreviations used are as follows: Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano)...at Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...564(6) - Fraser R., all British Columbia, in Granite Mts., Wy1.084(7) - 1.052(9). Long-bladed, sometimes oming |  | | Journal (issue) | | (sillimanite), spessartine, taaffeite, tanzanite, topaz, tourmaline, and zircon. Some of the 60 different...struggle to explain. For example, the phosphorescence peak positions are not fully explained, and there is...located with infrared spectroscopy 2. A luminescence peak at 737 nm, detected with photoluminescence (PL)...ct. Photo by Hiroshi Kitawaki. • The 3123 cm–1 peak presumably derived from NVH0 disappears after a...to 2907 and 2873 cm–1 after 2300°C annealing. The peak shift of 2901, SIXTH INTERNATIONAL GEMOLOGICAL |
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