 | | Journal (issue) | | diamonds. pg. 269 284 Pezzottaite from Ambatovita, Madagascar: A New Gem Mineral Brendan M. Laurs, William...Colombia ⢠Emeralds from Madagascar with strong blue/green dichroism ⢠Peruvian blue opal ⢠Interesting pearls...Chatoyant glass cabochons from China ⢠New synthetic opal varieties ⢠Plastic imitations of a walrus tusk...beryl in the world: the Ruby Violet (or Red Beryl) mine in Utahâs Wah Wah Mountains. Shown here is a unique...GEMOLOGY WINTER 2003 283 PEZZOTTAITE FROM AMBATOVITA, MADAGASCAR: A NEW GEM MINERAL Brendan M. Laurs, William |  | | Report (issue) | | Addresses Right: Aquamarine Rough from Marijao, Madagascar is sorted in a workshop in Idar-Oberstein, Germany...crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters...Assunďż˝io, Portugal. Pegmatites at Mahajamba, Madagascar have yielded beryl crystals to lengths of 3 meters...beryl crystal is a pegmatite at Malakialina, Madagascar, which produced one crystal that was 18 meters...near Sabsar, on the Gilgit to Skardu Road, Skardu district, Northern Areas, Pakistan. Collection Ty Lawrence; |  | | Journal (article/letter/editorial) | | Photographs January/February: Crocoite, Adelaide mine, Dundas, Tasmania, Australia. Francis Benjamin specimen... Jeff Scovil photo. March/April: Galaxy opal, Opalville mine, lease 135, Jundah, Queensland, Australia...Jeff Scovil photo. July/August: Silver, Wolverine mine, Kearsarge lode, Keweenaw County, Michigan. William...Scovil photo. November/December: Millerite, Sterling mine, Antwerp, Jefferson County, New York. National Museum...diamonds, 66â73; gold, 188â98; molybdenite, 128â34; opal, 102â15; petewilliamsite, 55â57; ruby, 116â25; sapphires |  | | Catalog/List | | SignatureÂŽ Internet Session 2 Heritage Auctions Design District Annex 1518 Slocum Street ⢠Dallas, TX 75207 (HERITAGELive...collection, a lot of it collected when the Tsumeb Mine (as well as other mines of the region) were still...engineering work took him to the Tsumeb Mine in Namibia. This mine is renowned for producing what are arguably... SESSION ONE MINERALS 57001 Azurite Level 8, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia If the attachment...Topaz Klein Spitzkopje, Spitzkopje Area, Karibib District, Erongo Region, Namibia Klein Spitzkopje in Afrikaans |  | | Journal (issue) | | Be4Si2O7(OH)2, in pseudohexagonal prisms from the Golconda mine, Governador Valadares, Minas Gerais, Brazil. Photograph...ened tabular hexagonal crystal from Ratnapura District, Sri Lanka. Photograph of sample R090019 reproduced...Sahatany Pegma te Field, Antananarivo Province, Madagascar. Coin diameter is ~1 cm. E.S. Grew sample (gi...reported previously, volcanic rocks in the Eifel district, Germany (e.g., Schminke 2007, Lengauer et al...rocks no younger than 1050 Ma (Chimwala, Chipata district, Zambia, de Roever and VrĂĄna 1985; Johnson et |  | | Journal (issue) | | Zacatecas, Mexico (perhaps the largest example from the mine in 25 years) In conclusion, if the reader generally...specifically at Bloemfontein itself, but in that district within Free State are the Jagersfontein, Koffiefontein...be from the Tonglushan Copper Mine, near Daye, Hubei Province. This mine is said to be among the oldest...Bornonite on Quartz¡ Yaogangxian show oood luster and Mine, Chenzhou, Hunan, China; ° . terna l specimen is...these crystals. Also from Daye, at the Fengjiashan Mine, famous for its outstanding inesite and hubeite |  | | Journal (issue) | | with Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article...DENVER MART EXPO HALL ROOMJ53 BARITE 20.3 CM XIEFANG MINE , GANZHOU PREFECTURE , JIANGXI PROVINCE , CHINA...Hodrusa-Hamre (in the Banska Stiavnica mining district) is also the type locality for hodrusite. V INTRODUCTION...historical events before 1920, we will use the older district name of Schemnitz in accordance with the literature...time, whereas for events after 1920 the modem district name of Banska Stiavnica will be used, bearing |  | | Show/Event (guide) | | t i o n s on carrollite from the Kamoya South II mine, Democratic Republic of Congo byR. L. Mown 2:00...kulanite and phosphophyllite from the Palermo #1 mine, North Groton, New Hampshire bill. W Nizamoff R...Lupulescu 4:30 M i n e r a l s of the Sakavalana pegmatite, near Ambatovita, Central MadagascarbyWm. B. Simmons...Carrollite crystals f r o m the Kamoya South I I Mine, Katanga, DRC, have pronounced facial striations...(`1200 specimens). A s part of a new initiative to "mine" this resource for both educational and research |  | | Journal (issue) | | carving by Larry Woods; âHelios Fire,â a 37.20 ct opal by Glenn Lehrer; âCosmos,â a 15.58 ct ametrine by...are seen in hydrogen-rich diamonds from the Argyle mine (Iakoubovskii and Adriaenssens, 2001). The defects...(1969) Mineralogical notes: A study of some gold mine diamonds. American Mineralogist, Vol. 54, Nos. 1â2...the leaves. The piece came from the Coronel Murta mine in Minas Gerais, and was carved by âDocinhoâ of...80 ct carved opal with zircon; âSpring Waterfall,â incorporating a 6.15 ct carved opal with zircon, demantoid |  | | Journal (issue) | | van Langban L (bijj Filipstad); ĂŠĂŠn van de rijkste mine eralenvindpla aatsen ter wereld. w Daar wa as Etienne...emerald mine, Hiddenite, North Carolina ROCKS AND MINERALS 82(2), 04.07 * 103-125 Australian opal resources...resources 128-134 Molybdenite (Allies mine, Deepwater, New England region, NSW, Australia) 135-139 New data...data on arsenate minerals from the Tsumeb mine, Namibia 140-146 Rochester mineralogical symposium (topaz...carrollite from the Kamoya South II mine, Congo ; minerals from the Palermo #1 mine, North Groton, New Hampshire |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Showroom 1518 Slocum Street ⢠Dallas, TX 75207...17656. LOT VIEWING Heritage Auctions Design District Showroom 1518 Slocum Street ⢠Dallas, TX 75207...A beautiful Crystallized Gold from the â16-to-1â Mine ⢠A huge cut and polished Apache Agate weighing...Pallasite - PMG Hekandue River, Seymchan Magadan District, Russia This slice of the Seymchan Meteorite does...Pallasite - PMG Hekandue River, Seymchan Magadan District, Russia There are not enough superlatives to describe |  | | Journal (issue) | | hiddenite discovery ⢠Sapphires and pezzottaite from Madagascar ⢠Mogok update ⢠âStarâ obsidian ⢠Unusual star...⢠CVD synthetic diamond ⢠âMermaid Crystal,â an opal simulant ⢠Synthetic spinel with unusual inclusions...Korea ⢠Tourmaline with an iridescent coating ⢠Madagascar gem cutting, and plans for a gemological institute...the recognition of sugar-acid treatment of porous opal, spectroscopic studies of diamonds and their origin...yellow diamond Treated yellow sapphires Black treated opal Pink diamond Cultured pearls with pink dye Treated |  | | Journal (issue) | | lower-quality diamonds from Australiaâs Argyle mine, coupled with the exponential expansion of Indiaâs...Congo [DRC] after 1996) Minière de Bakwanga (MIBA) mine and Angolaâs state-owned diamond-mining company...the open market. With one exception (the Argyle mine), all major diamond production sources were controlled...producers (effectively forcing them to stock at the mine sites). Yet several forces were developing that...mines in South Africa. Shown here is the Venetia mine north of Messina, where full production of 3.6 million |  | | Journal (issue) | | appointed Resident Geologist at the Copper Queen mine for three years, including the responsibility for...at Bisbee in 1975 he transferred toAjo as General Mine Foreman. He finally left the employ of Phelps Dodge...Nome, Alaska, as well as of a coal mine in Utah and a copper mine in New Mexico for Gold Fields, Ltd...Creek mine and claim (San Benito County, California-Mineralogical Record, 2005), the Outlaw mine (Nye...1991), the Alta/Union mine area (Del Norte County, California), the Lodi #4/Murdock mine area (Plumas County |  | | Journal (issue) | | Belmont, Brazil ⢠Meteorite watches ⢠Purple common opal from Mexico ⢠Rosalinda: ornamental scapolite rock...Geikielite from Sri Lanka with fake star ⢠Dyed blue opal with play-ofcolor ⢠Gem news from Myanmar ⢠Conference...efforts and promising early results, the emerald mine has not yet begun production. 2 GEMS & GEMOLOGY...deposit is located near the Bonfim gold-tungsten mine (figure 2), at coordinates 05°50.45¢S, 036°07.10¢W...basement gneiss, close to the Bonfim goldtungsten mine, which is hosted by metasedimentary rocks. Modified |  | | Book (edition) | | 22 23 24 25 26 27 28 29 30 31 Spodumene Quartz Opal Turquoise Lapis Lazuli Jade â Geology and Mineralogy...Gemstonesâ becoming âColour and Colour Enhancementâ, and âOpalâ xiii Preface to the Fifth Edition being extracted...Pierre Gilson including, most importantly, synthetic opal, both white and black, and a corresponding ingenuity...stoneâ, a special type of glass closely resembling opal in appearance. Quartz, which for many years has...extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance |  | | Conference Proceedings | | Carolina Santiago and Jurgen Schnellrath : Catâs eye opal from Brazil: A second look. 14:20 â 14:40 Alessandra...Maria Teresa Caldes, Stephane Jobic: Introduction to mine ralomimetism : the case of photochromic sodalite...S. Ercit : Canadian gem tourmaline and the Leduc mine. 10:00 â 10:20 Hänni, H.A., Milisenda, C., Wang...from a new occurrence from Paramathi in Karur district of Tamil Nadu, India. 12:00 â 12:20 Wilawan...nano-inclusions in untreated blue sapphire from Diego, Madagascar. 14:20 â 14:40 Wiwat Wongkokua , Natthapong |  | | Journal (issue) | | connroxminerals.com e-mail: larryrush@att.net The Crystal Mine Worldwide minerals emphasizing color www.crystal-mine...MardaniFineMinerals.com | w w w. FineMineral.com Jianshan Mine, Xinjiang Autonomous Region, China 11.5 cm CRYSTAL...âSelcuk,â a village just outside of Ephesus. The mine area lies between the Aegean seacoast and Bafa Lake...village, 5 km northwest of the mine, is the nearest settlement from which the mine can be reached by road. At...of the D525 road and continues to the mines. The mine area is shown on the AydÄąn N19-a4 sheet of the 1:25 |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous |  | | Journal (issue) | | besaĂ auch der EigentĂźmer der Ampliaci6n a Victoria Mine in Navajun einen groĂen Stand. Er hatte eine riesige...aus dem Tagebau Khanong der Sepon Gold and Copper Mine, VilaboulyDistrikt, Prov. Savannakhet, Laos. Gesehen...aus dem Tagebau Khanong der Sepon Gold and Copper Mine, Vilabouly-Distrikt, Prov. Savannakhet, an. Die...von Malachit nach Azurit aus Tagebau Khanong/Sepon Mine, Laos. Gesehen bei Roger Lang. 2. Neufund im sh...Baluchistan (an manchen Ständen auch mit Raywoo Mine, Quetta/ Baluchistan ausgewiesen), die schon in |  | | Journal (issue) | | samples from Sri Lanka, Montana, U.S.A., Ilakaka, Madagascar, and Songea, Tanzania. Keywords: absorption spectroscopy...especially samples from Songea, Tanzania, and Ilakaka, Madagascar, contained elevated beryllium concentrations...Beryllium-diffusion-treated sapphires from Ilakaka, Madagascar; range of samples from 1.10 to 1.47 ct. Photo...sapphire of 1.44 ct originating from Ilakaka, Madagascar; this sample was labelled âdeep diffusion treatedâ...sapphire of 1.29 ct originating from Ilakaka, Madagascar. Photo by M. Glas. Figure 2d: In the sample |  | | Journal (issue) | | 1979 with an article on the Sweet Home mine. He mined the Dixie mine in Idaho Springs for leaf gold and crystallized...including Huanuni, Viloco, Llallagua, the San Jose mine in Oruro, Tasna, Morococala, Chicote Grande, and...reopened the now-famous Sweet Home mine in Alma, Colorado to mine specimen rhodochrosite, h bnerite,...Other localities mined include the Calumet Iron mine; Italian Mountain; and Mt. Antero. In July 1979...Kosnarite was later found in Brazil in the Jenipapo district. Kosnar assembled an extensive suite of some of |  | | Book (volume) | | Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates...Arsenato-Borates Sussexite 29 Mn2+BO2(OH) Locality: Gonzen mine, Sargans, St. Gallen, Switzerland. Description:...Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar. Description: Grey...Veatchite Sr2[B5O8(OH)]2B(OH)3¡H2O Locality: Billie mine, Death Valley, California, USA. Description: White...Hydroboracite CaMgB6O8(OH)6¡3H2O Locality: District # 99, underground mine, Inder boron deposit, Atyrau region |  | | Book | | 41)(Si3.86Al0.10 Fe0.04O10)(OH)2 from Mikhailovskii mine, Zheleznogorsk, Russia (Chukanov 2014a). IR spectra...In Fe3+-bearing Mg-poor schorl from the Limoeiro mine, Murta, Minas Gerais, Brazil, the band of OH groups...area), olmiite CaMn(HSiO4)(OH) from NâChwaning II mine, Kalahari manganese ďŹelds, South Africa (c), and...brandtite Ca2Mn(AsO4)2¡2H2O from skarn (Harstigen mine, Sweden) (b), and roselite Ca2Co(AsO4)2¡2H2O from...from Cigana mine, Brazil (a), landesite [nominally, Fe3+Mn2+2 (PO4)2(OH)¡] from Bull Moose mine, South Dakota |
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