 | | Journal (article/letter/editorial) | | in which the fluorite occurred are Mississippi Valley–type (MVT); these deposits are ably discussed by...from the Virtuous Lady mine, in the Tavistock district, Devon, where it also occurs as encrustation pseudomorphs;...Treak Cliff, at Castleton, in the Kinderscout district of Derbyshire, England (Webster and Anderson 1983)...the Caravia-Berbes district, the La Collada district, and the Arlós-Villabona district—each with distinctive...octahedral fluorite include Andermatt and Meien Valley, both in Canton Uri; Sommerloch and Ziggenenstöcke |  | | Journal (issue) | | Associate Cartographer William W. Besse, Green Valley, AZ Rocks & Minerals is available online at Editorial...Limoeiro Mine, Virgem da Lapa, Ara~uaf Pegmatite District, . Minas Gerais, Brazil, Michael A. Menzies Signature...5 cm, Limoeiro mine, Virgem da Lapa, Ara<;uar district, Minas Gerais, Brazil; private collection, Jeff...• Markus Raschke - The South Platte Pegmatite District of Colorado: New Insights into Mineralogy, Petrogenesis...States; the high mountains of Afghanistan and Pakistan; Minas Gerais in Brazil; Mozambique and Namibia |  | | Journal (issue) | | species schorl, followed by dravite and finally foitite. The Mitsubishi Corporation succeeded in treating...driver to let him know that I wanted to leave for Shigar the following morning and that I did not have time...and to travel all of the way to Nyet in the Shigar Valley. I then walked to another shop and talked to...The second lot opened was of some gemmy town of Shigar, with minimal traffic as the end of the tourist...holy day. There was a new road currently Braldu Valley. Both of these were put on hold and I returned |  | | Journal (article/letter/editorial) | | black tourmaline, 7.5 × 3.2 × 3.0 cm, Shigar Valley, Pakistan; David London specimen and photo. (b) Beryl...muscovite, 11.5 × 11.0 × 7.0 cm, Haramosh Mountains, Pakistan; Dan Weinrich specimen and photo. (c) Beryl variety...Pederneira claim, (g) (h) São José da Safira, Doce Valley, Minas Gerais, Brazil; Joe Budd photo, courtesy...lepidolite, and albite, 26 × 17 × 13 cm, Kunar Valley, Nuristan Province, Afghanistan; Joe Budd photo...feldspar, 9.9 × 5.5 × 5.1 cm, Dassu, Shigar Valley, Skardu, Pakistan; Joe Budd photo, courtesy of The Arkenstone |  | | Journal (issue) | | Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah. In most locations, tungstenite...of the Thomas Vein, Central Kentucky Fluorspar District 13-7: 1.6-8; Minerals near Tateville. Pulaski...10 Macdonaldite California 13-6:2,4 Magnesio-foitite Japan I3-3: 1,4,5 Magnetite New York 13-1:1.6;...13-6:5; Hygashi-Yamanashi Prefecture: magnesio-foitite. 13-3: 1,4,5; Yamanashi: quartz, 136:5; Fuka: bicchulite...near Aldama: quartz, 138: 1,6.7; Santa Eulalia District: goethite, quartz, 13-8: 1.6,7: Naica: gypsum |  | | Report (issue) | | Schor! and microcline from Pakistan's world famous Gilgit area. The schorl is 4. 7 cm high. Photo Jeff Scovil;...values: feruvite by Grice and Robinson (1989), foitite by MacDonald et al. (1993) and rossmanite by Selway...2001 by Reznitsky et al. (see box page 9). Today, foitite is considered a very common tour maline species...povondraite, liddicoatite, uvite, feruvite, rossmanite, foitite, magnesiofoitite and vanadiumdravite. In contrast...Vacant Group for rossmanite, magnesiofoitite and foitite. These three plots show the range of chemical variation |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...measuring 2.5 X 8 X 12 cm (Pekov, 2000). ASIA PAKISTAN FORMER SOVIBT UNION RUSSIA Dodo deposit near...rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning in...region of Alpine-type clefts along the Torrniq Valley produced small numbers of ilmenite specimens reminiscent...The thin-tabular ilmenite crystals of the Torrniq Valley also form spherical aggregates ("closed roses") |  | | Journal (issue) | | Mogok belongs to Mogok Township, in Pyin-U-Lwin District, in Mandalay Division, which borders Sagaing Division...January–February, 2022 Figure 3. The Ruby Mining District in Burma around Mogok, as surveyed by R. Gordon...which he had heard on his travels concerning a “valley of serpents” which was littered with diamonds but...Hunters would throw chunks of raw meat into the valley, vultures would snatch the meat away from the snakes...had adhered to the meat. This resembles another “valley of diamonds” story also repeated by Marco Polo |  | | Journal (issue) | | Museum Toronto, Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann...Mineralogy of the Spring Creek area, Last Chance Mining District, Plumas County, California. Axis, volume 1, number...and 1909, the mines of the Last Chance mining district produced significant quantities of copper and...artist White Watson. Journal of the Bakewell and District Historical Society, no. 8, 1– 9 + 12 un-numbered...III: White Watson. Journal of the Bakewell and District Historical Society, no. 9, 113. BRIGHTON, T. (1983) |  | | Report (issue) | | as seen in the pink and blue crystal above from Pakistan, is not uncommon. This specimen is in the collection...blue beryl on feldspar from the Northern Areas, Pakistan (upper left; collection Dudley Blauwet; photo...near Sabsar, on the Gilgit to Skardu Road, Skardu district, Northern Areas, Pakistan. Collection Ty Lawrence;...quartz; 15 cm from the Shigar Valley, Skardu district, Northern Areas, Pakistan Because it is associated...species including beryl. Over the past three decades Pakistan has been providing the world market a steady supply |  | | Journal (issue) | | Umba Valley, Tanzania1 1 green 0.44 0.15 nd >6 <3 calcic aluminous dravite Kwale District, Kenya1...18 – 1.54 0.03 – 0.17 nd <6 >3 uvite Umba Valley, Tanzania5 2 green 0.05 0.22 – 0.34 nd to...calcic aluminous dravite Yellow Mine, Taita-Taveta District, Kenya6 4 yellow, green, blue green nd to 0...Taita-Taveta District, Kenya6 2 yellow green, yellow pink 0.01 – 0.14 Mukongonyi, Taita-Taveta District, Kenya6...Mg3 Al6 Si6O18 (BO3)3 (OH)3 (OH) Magnesium-foitite* □ Mg2Al Al6 Si6O18 (BO3)3 (OH)3 (OH) Isomorphic |  | | Journal (issue) | | and consisted prim arily o f B oron and D eath Valley borates and associated minerals. M ost o f his...f 21 unpatented claims in the B anner m ining district, Gila C ounty, Arizona. T he group includes the...ont M ining C orporation becam e involved in the district around 1960 (Ramsey, 1973; H ausen, 1982) and...arry -G o o d H ope areas, M aggie C reek m ining district, Nevada. Newmont Exploration Ltd., internal report...and uranium -vanadium deposits o f the M onum ent Valley area, Apache and Navajo C ounties, Arizona. U.S |  | | Journal (issue) | | description of many gem minerals from the Umba valley, Zwaan (1974) described a sample of emerald-green...occur in the John Saul ruby mine, Taita-Taveta District, Kenya (Simonet, 2000) which is located just north...of four green tourmalines from the Taita-Taveta District, Kenya. For the present study, the contents of...Colour hue change of a gem tourmaline from the Umba Valley, Tanzania. J. Gemm., 26(6), 386-96 Liu, Y., Shigley...2000. Geology of the Yellow Mine (TaitaTaveta District, Kenya) and other yellow tourmaline deposits in |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, 5.31...e.g. on Grossgreiner Mt., overlooking Zillertal Valley, Tirol, Austria, and at Passo di Vizze, Trentino-Alto...western Sayan Mts., white at Burumskoye, Vitim River Valley, all Siberia, Russia. In many localities in New... Switzerland, also crystals in Obersulzbachtal Valley, Salzburg, Austria. AM 61,178, 1976. Af ghanite |  | | Journal (issue) | | bottom: An inclusion of muscovite in aquamarine from Pakistan (magnified 20×), a pair of scorpions in Dominican...bottom: An inclusion of muscovite in aquamarine from Pakistan (magnified 20×), a pair of scorpions in Dominican...field trip to the world-famous Pala pegmatite district in San Diego County will take place August 25...Denver Mapping of gem localities in Afghanistan and Pakistan • Dr. Federico Pezzotta, Museo Civico di Storia...Produces the film Gemmological Society “Mogok, Valley of Rubies” with daughter Marie-Helen. 1953 Publishes |  | | Book (edition) | | extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...rocks. Figure 1.3 Basaltic lava flow of 1944 in a valley leading down to Naples, Italy. The Monte Somma...Himalayas in Pakistan; rubies also from the Himalayas in 33 The Geological Sources of Gems Pakistan and Nepal...deposits at Marambaia, Minas Gerais, Brazil. The valley is well known as a source of fine aquamarine and...Mining Kimberlite at the Majhgawan deposit, Panna District, Madhya Pradesh, India one of a variety of underground |  | 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) | | Mohave and Cochise Cos., AZ; Elmore, Idaho, and Valley Cos., ID; Goldfield, Esmer- 444.2 Silver 3...Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral...localities, AZ; Calico district, San Bernadino Co., Cerro Gordo(*), Inyo Co., Bodie district, Mono Co., and other |  | | Book | | b), fluor-uvite (c, d), dravite (e), magnesio-foitite (f), and elbaite (g, h) drawn using data from Fantini...environment Mineral Uvite Fluor-uvite Magnesio-foitite Na-deficient dravite Na-deficient elbaite V y...of sturmanite from the Black Rock mine, Kuruman District, South Africa, determined from its crystal structure...claim, Ryan, Black Mts., Furnace Creek district, Death Valley region, Inyo Co., California, USA (type...Ca3Al(CO3)[B(OH)4](OH)6·12H2O (Fig. 2.42) Locality: Suisho-dani valley, near Ise City, Mie Prefecture, Japan (type locality) |  | | Journal (volume) | | 2009, the new deposit at Davib-Ost farm, Karibib District, was discovered. Miarolitic cavities within granite...from the new deposit at Davib-Ost farm, Karibib District, Namibia. AM12 – Structure and properties of...alluvial tin and (minor) gold deposit of the Carnon valley in South Cornwall, strongly suggesting this deposit...explaining the importance of this area as metallurgical district at least from IV millennium BC, and, consequently...varieties. Dolomitic marbles mainly belong to Malaga district, but are sporadically present in other Spanish |  | | Book (edition) | | Specimen is 10.6 cm high. From Stak Nala, N.A., Pakistan (photograph courtesy of Jeff Scovil, collection...during the Stone Age. Tomb paintings in the Nile Valley produced nearly 5,000 years ago (Fig. 1.8) show...crowded their growth. From the Santa Eulalia mining district, Chihuahua, Mexico (Harvard Mineralogical Museum)...Keweenaw Peninsula. Most of the copper in the district was in small irregular grains, but notable large...occurrences of copper similar to the Lake Superior district have been found in the sandstone areas of the |
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