 | | Journal (article/letter/editorial) | | Auburn, Alabama 36849-5305 CONNOISSEUR’S ----- Danburite Downloaded by [University of Central Florida]...occur as large, well-crystallized specimens. Danburite is one such mineral, having been named for Danbury...mines at Charcas, San Luis Potosi, Mexico. Two danburite specimens from this prolific locality have been...issue’s Connoisseur’s Choice (figs. 1 and 2). Danburite is best known in chisel-shaped, transparent to...measured density that ranges from 2.93 to 3.02. Danburite crystallizes in the orthorhombic system (2/m 2/m |  | | Journal (issue) | | 393 by A. H. Kazmi, J. J. Peters and H. Obodda Nepal The tourmalines of N e p a l......................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...labeling. ACKNOWLEDGMENTS One’s knowledge of a mining district is accumulated slowly by reading the literature |  | | Journal (article/letter/editorial) | | Madagascar, Russia, Mozambique, the United States, Nepal, and the Democratic Republic of the Congo. Yellow...compositions of similar material from Nepal (Sankhuwa Sabha District) and the Democratic Republic of the...tourmaline, but also other colors (Madagascar, Russia, Nepal, Italy); and (3) rare yellow tourmaline with mainly...survey of mn-rich yellow tourmaline in the Lundazi District of eastern Zambia (Fig. 1a). Tourmaline has been...Central Transbaikalia Malkhan LCT-type pegmatite district of south-central Siberia is one of the largest |  | | Journal (article/letter/editorial) | | rubble rubble of of aa landslide, landslide, Nepal. Nepal. The are tourmaline is is exposed and partly...situated on a steep steep hill slope in the Himalaya, Nepal (c) A trench dug into earth-mud flow bearing a colluvial...colluvial hill slope in the Himalaya, Nepal (c) A trench dug into earth-mud flow bearing a colluvial...tributaries of Trisuli River in the Ganesh Himal, Nepal (Figure 4e). Meandering rivers, following more downstream...(e) Active channel system in the Ganesh Himal, Nepal, with heavy minerals by alluvial-fluvial processes |  | | Catalog/List | | 10:00 AM – 5:00 PM CT Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Session...5:00 PM ET LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Thursday...grow. 73001 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) Looking almost like...com/6150 73002 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) For those that have...750 73003 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) As if Momeik doesn’t |  | | Report (issue) | | 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...Valley, Afghanistan and the Malkhan district in Russia's Transbaikal region have been the source of many...associated with micro cline, talc, dolomite, danburite and rarely boracite. Color: black, opaque; streak:...dense vegetation, I was able to find specimens of danburite, boracite and aragonite but no ferridravite, not |  | | Book | | Analyzer Reveal Trace Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam Reprinted from:...comparison of the trace element geochemistry of danburite, a gem mineral commonly formed within transition...the rare earth elements (REE) concentrations of danburite from the different localities were observed and...Analyzer Reveal Trace Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam. Minerals 2018...Analyzer Reveal Trace Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam Le Thi-Thu |  | | Journal (issue) | | Gemstone Resources of China 14 The Changma Diamond District, Mengyin, Shandong Province, China Peter C. Keller...and "The Tourmalines of the Governador Valadares District." Capturing third place was "A Status Report on...China: the Fuxian district, in southern Liaoning Province, and the Changma district near Mengyin, in central...aquamarine crystal (right) are from the Altay pegmatite district i n Xinjiang Uygur Autonomous Region. Photo b...turquoise in the world comes from the Nishapur district of Iran, and hence "Persian turquoise" has become |  | | Journal (issue) | | fashioned from material found i n t h e Yerilla District i n Western Australia. This specimen gave u s...Figure 5. These 'ye111s were recently ac(;~iuedin Nepal. From the top, clockwise from left: 7.82-ct hicolored...this mining area appears to be limited. News from Nepal. In the Fall 1993 Gem News section, Gemologist Mark...on the availability of various gem materials in Nepal. On his recent return irom another buying trip to...were also available from the Hyakule mine on the Arun River, in eastern Nepal, which is the most famous |  | | Book (edition) | | extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance... The Geological Sources of Gems Pakistan and Nepal and from their extension into Myanmar (formerly...Kimberlite at the Majhgawan deposit, Panna District, Madhya Pradesh, India one of a variety of underground...staurolite, tanzanite (zoisite), iolite, andalusite, danburite, kornerupine and enstatite are some of the minerals... madhyamarastraka from the present-day Madhya Pradesh, Kasmaka is believed to refer to diamond from near |  | | Book | | Rybicki) 7:72-77 Chalcanthite from the Helvetia district, Arizona (by G. Robinson) 9:252 Cuprite [from...Arizona (by W. A. Thompson) 11:248-250 The Tombstone district, Cochise County, Arizona (by S. A. Williams) 11:251-257... A. Scovil) 21:99-100 Arizona's Silver mining district (by P. Bancroft & G. Bricker) 21:151-168 The Fat...24:67 Famous mineral local.ities: the Rush Creek district, Marion County, Arkansas (by D. A. Richards) 24:285-299...17:381-382 ARTINITE Artinite from [the New ldria district,) San Benito County, California (by S. L. Cisneros |  | | Book | | Norway: large crystals also occur in the Temiskaming district, Quebec, Canada; tabular crystals up to 120 mm...Czech Republic. It is common in the Cocur d'Alene district, Idaho, USA. Acicular crystals up to 30 cm (12...10 mm (J/s in) long were described from Burra district. Southern Australia, Australia. Crystals up to...kg (333 lb 3 oz) was also found in the Letaba district. South Africa. Sapphire crystals weighing up to...known from Bisbee and from the 79 mine. Banner district, Arizona. USA. It also occurred in Montcponi, |  | | Journal (issue) | | what was previously known as the Saint-Michel district, and is now part of the Arrondissement de Vil...quarry should read Francon quarry, Saint-Michel district, Montréal, Québec, Canada. In some publica- 1...(1919). Road material surveys in the city and district of Montreal, Quebec. Geological Survey of Canada...specimen localities, a discussion of the Keno Hill district, Yukon Territory, and a detailed study of the...amethyst crystals from the Djurkovo mine, Laki District, Bulgaria. The gemmy crystals, very similar to |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Cleavage {001} less perfect than area. Andhra-Pradesh,both India. also in the Ratna- for galena,brittle...of black crystals Mn mine. Jhabua dist.. Madhya Pradesh. India, at to 3 cm existed weighing several kg...Valley, Inyo co., all California. As a coating on danburite at Charcas, San Luis Potosf, Mexico, also at Fuka...Baumhauerite Pb3As4 Sy (2.H, sartorite group). Triclinic, P1, a,b,c = 22.80, 8.36, 7.89, a.~."(= 90"'03',97°16' |  | | Book | | Norway; large crystals also occur in the Temiskaming district, Quebec, Canada; tabular crystals up to 120 mm...Czech Republic. lt is common in the Coeur d' Alene district, Idaho, USA. Acicular crystals up to 30 cm ( L2...10 mm (3/M in) long were described from Burra district, Southern Australia, Australia. Crystals up to...kg (333 lb 3 oz) was also found in the Letaba district, South Africa. Sapphire crystals weighing up to...known from Bisbee and fro1n the 79 Inine, Banner district, Arizona, USA. lt also occurred in Monteponi, |  | | Journal (issue) | | fumaroles or openings and outlets in a volcanic district. As the first visitors at this California Hecla...(1946) Quicksilver deposits of the western Mayacmas district, Sonoma County, California. California Journal...cm from the O.S. prospect, Uncomphaghre mining district. These were collected by Larry and Carmen Piekenbrock...Albuquerque, NM 87110) at the Buckhorn mine, Red Cloud district, Gallinas Mountains, Lincoln County. The individual...mixite from the Gold Hill glory hole, Clifton district, Tooele County. Both Phil and Richard M einers |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...testing to be hematite. Zagi [Zegi] Mountain, Warsak district, North West Frontier Province. Surface diggings...to 6 cm (2005: 120). Los Remedios mine, Taxco district, Taxco, Guerrero. Ilvaite occurs in the wallrock...manto deposits of polymetallic ores in the Taxco district, commonly as compact aggregates of crystals overgrown |  | | Journal (article/letter/editorial) | | Cryptomelane Cubanite Cummingtonite Cuprite Cylindrite Danburite Daqingshanite-(Ce) Datolite Davidite Dawsonite...sediments but rarely in volcanic rocks e.g., Cobalt district of Ontario, Canada, Wittichen, Richelsdorf, Bieber...Jachymov, Czech Republic, Black Hawk District, USA, Batopilas District, Mexico (Fig. 04.01). These vein-type...gemological products (Fig. 04.10). In the Marlborough district of Queensland, Australia, it occurs within the...Complexes, USA, and the Russian NoriĺskTalnakh District (Cabri and Traill, 1966). 4a A: As an example | | | Journal (article/letter/editorial) | | Cryptomelane Cubanite Cummingtonite Cuprite Cylindrite Danburite Daqingshanite-(Ce) Datolite Davidite Dawsonite...sediments but rarely in volcanic rocks e.g., Cobalt district of Ontario, Canada, Wittichen, Richelsdorf, Bieber...Jachymov, Czech Republic, Black Hawk District, USA, Batopilas District, Mexico (Fig. 04.01). These vein-type...gemological products (Fig. 04.10). In the Marlborough district of Queensland, Australia, it occurs within the...Complexes, USA, and the Russian NoriĺskTalnakh District (Cabri and Traill, 1966). 4a A: As an example |  | | Book | | Tanzania 463 Madagascar (Malagasy Republic), Malawi Nepal, 482 513 Republics, Republic Kingdom, (Egypt)...more km) from Coptos passed center for these district, correspond cites a King to the are to Bostock...location of the mines Holland’s translation, of district, and it could have been Probably these mines...prism face and several pyramidal Diamantina district, Brazil; (1.75 x 1.4 in). beryl transparent... Gallagher and Hawkes the Miami massive also district iron-impregnated were akite, and products |  | | Book | | with much success. The Hagendorf-Pleystein mining district consists of several pegmatites and aplites, including...western edge of the Bohemian Massif. This mining district consists of several pegmatites and aplites, including...F-(Ba) mining district Poppenreuth-Mähring U mining district Auerbach Fe –(P) mining district N = W = IL...mining district Warmensteinach F-(Ba) mining district Issigau-Lichtenberg F-(Ba) mining district Donaustauf...Donaustauf F mining district Hopfau Pegmatite Grünberg Pegmatite Fig. 1.1a Topographic position and geological |
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