 | | Journal (article/letter/editorial) | | Pezzottaite Sakavalana Mine, Ambatovita, Mandrosonoro Commune Ambatofinandrahana District Fianarantsoa...Fianarantsoa Province, Madagascar C esium-rich beryl has been known for a long time, and occurrences are not exactly...some to 6 cm across, from miners in southern Madagascar. Although these crystals were beryl-like in habit...habit, they had a refractive index closer to tourmaline than to red beryl or morganite and a strong pleochroism...were originally identified by a French dealer in Madagascar as âbixbite,â an outdated term for a red variety |  | | Journal (article/letter/editorial) | | granitic pegmatites? Clues from hybrid pegmatites in Madagascar Robert F. Martin,1,* Caterina De Vito,2 and Federico...granitic pegmatite in Madagascar. The NYF assemblages there and at the Sakavalana and Anjahamiary pegmatites...Anjanabonoina has a ÎŽ18O value above 15â°, and that at Sakavalana, close to 13â°, indicative of formation of the...geochemistry, trace elements, Anjanabonoina, Sakavalana, Madagascar Introduction A K-dominant alkali feldspar...gem-bearing granitic pegmatites in central and southern Madagascar. Background information Anorogenic granites |  | | Report (issue) | | X-ray Powder Pattern: Sakavalana pegmatite, Fianarantsoa province, central Madagascar. 3.271 (100), 2.871...14 0.28 101.54 (1) Sakavalana pegmatite, Fianarantsoa province, central Madagascar; laser ablation ICP...K-feldspar (âamazoniteâ), albite (âcleavelanditeâ), tourmaline-group minerals, spodumene, lithian muscovite...Distribution: From the Sakavalana pegmatite, Ampandramaika-Malakialina pegmatite district, a few kilometers...kilometers northwest of Ambatovita village, Fianarantsoa province, central Madagascar. Also reported from Afghanistan |  | | 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...Assunïżœio, 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 (issue) | | diamonds. pg. 269 284 Pezzottaite from Ambatovita, Madagascar: A New Gem Mineral Brendan M. Laurs, William...Gem-quality corundum from Colombia âą Emeralds from Madagascar with strong blue/green dichroism âą Peruvian blue...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...2002 in a granitic pegmatite near Ambatovita in central Madagascar. Only a few dozen kilograms of gem |  | | Catalog/List | | SignatureÂź Internet Session 2 Heritage Auctions Design District Annex 1518 Slocum Street âą Dallas, TX 75207 (HERITAGELive...Cerussites and Cuprites, Sapphires and Spinels, Tourmaline and Tanzanite, Emeralds and Jeremejevites, the...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 |  | | Journal (article/letter/editorial) | | hundred specimens). As part of a new initiative to âmineâ this resource for both educational and research...only contemporary specimen is from the Red Lake mine near Balmerton in western Ontario. Rich specimens...specimens of gold in smoky quartz from the OâBrien mine at Cadillac, Quebec, are particularly attractive. This...STRIATIONS ON CARROLLITE FROM THE KAMOYA SOUTH II MINE, DEMOCRATIC REPUBLIC OF CONGO. R. L. Morgan, 1851...14609. Carrollite crystals from the Kamoya South II mine, Katanga, Democratic Republic of Congo, have pronounced |  | Pieczka, Adam, SzeĆÄg, Eligiusz, Szuszkiewicz, Adam, GoĆÄbiowska, BoĆŒena, Zelek, Sylwia, Ilnicki, SĆawomir, Nejbert, Krzysztof, Turniak, Krzysztof (2016) Cs-Bearing Beryl Evolving To Pezzottaite From the Julianna Pegmatitic System, SW Poland. The Canadian Mineralogist, 54 (1) 115-124 doi:10.3749/canmin.1500075 | Journal (article/letter/editorial) | | similarly to pezzottaite in the type occurrence in Madagascar, formed in a pegmatite with a hybrid NYF ĂŸ LCT...in pockets in the Sakavalana pegmatite near Mandosonoro, AmbatoïŹnandrahana District, Fianarantsoa Province...Province, Madagascar (Laurs et al. 2003, Hawthorne et al. 2004). Since then it has only been recorded from...Chapa Dara District, Konar Province, and the Deva Mine, Paroon pegmatite ïŹeld, Vama District, Nuristan...pollucite, Liâ RbâCs micas, and smectites. Along with tourmaline and garnet, beryl is a widespread accessory to |  | | Journal (article/letter/editorial) | | renierite-germanite-tennantite ore from the Tsumeb mine, Tsumeb, Namibia. The new mineral name is for Professor...erosenbuschite group from the Langesundsfjord district, Norway: definition and crystal structure. Eur...the island of Vesle ArĂžya in the Langesundsfjord district, Vestfold, Norway. The pegmatite was heavily blasted...second new phosphate mineral from the SilberbrĂŒnnle mine in the central Black Forest. Der ErzgrĂ€ber, 18,...haigerachite on quartz in the dump of the SilberbrĂŒnnle mine, upper Haigerachtal near Gengenbach, central Black |  | | Journal (issue) | | en KarĂ©lie (Finlande) La chiavennite de Sakavalana (Madagascar) Roedderite (x 36) CarriĂšre du mont...PEZZITTAĂTE DANS IA PEGMATITE DE SAKAVALANA, .AMBATOVITA, MADAGASCAR Federico PEZZOTTA, Alessandro GUASTONI...presque toutes signĂ© la pĂ©tition pour sauver la mine de La Gardette, l'imagination des enquĂȘteurs et...rĂ©coltaient en rĂ©alitĂ© des minĂ©raux dans une ancienne mine abandonnĂ©e. Lors du jugement au tribunal de Mende...FrĂ©dĂ©ric Delporte - delportejrederic@wanadoojr L "mine" dite de la Gardette se situe sur la commune e Villard-Notre-Dame |  | | Journal (article/letter/editorial) | | Photographs January/February: Crocoite, Adelaide mine, Dundas, Tasmania, Australia. Francis Benjamin specimen...Scovil photo. March/April: Galaxy opal, Opalville mine, lease 135, Jundah, Queensland, Australia. Owner...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...Note: New Data on Arsenate Minerals from the Tsumeb Mine, Namibia, 135â39; The Occurrence and Origin of Gold |  | | Journal (article/letter/editorial) | | CsLiBe2Al2Si6O18. Ambatovita, Mandrosonoro area, Fianarantsoa Province, Madagascar. R060583 reproduced...KBe4Al4(B11Be)O28, pale yellow crystal with pink tourmaline (rubellite) from Manjaka, Sahatany Pegmatite...Pegmatite Field, Antananarivo Province, Madagascar. Coin diameter is ~1 cm. E.S. Grew sample (gift of François... Be2AlO4. Twinned crystals from the Ratnapura district, Sri Lanka. Photograph of sample R100130 reproduced...Be4Si2O7(OH)2, in pseudohexagonal prisms from the Golconda mine, Governador Valadares, Minas Gerais, Brazil. Photograph |  | | 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...KBe4Al4(B11Be)O28, pale yellow crystal with pink tourmaline (rubellite) from Manjaka, Sahatany Pegma te Field...Field, Antananarivo Province, Madagascar. Coin diameter is ~1 cm. E.S. Grew sample (gi of François Fontan)...reported previously, volcanic rocks in the Eifel district, Germany (e.g., Schminke 2007, Lengauer et al |  | | 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) | | MORNING: Ray Lasmanis will present âThe Pine Point Mine, Northwest Terrritories, Canadaâ. N AFTERNOON:...Bridge Columbia River Oregon 2 The Bagdad Chase Mine, San Bernardino Co., California by Don Howard Following...the group. The first stop was at the Bagdad Chase mine, where we spent an interesting day collecting. Since...explanation of the mine, its minerals, and some of its history. The Bagdad Chase mine is located a few...there has been little activity. The Bagdad Chase mine was the largest producer of both gold and copper |  | | Journal (issue) | | week, when you didn't pick up a two foot colored tourmaline unless it was transparent, and when the sun would...There was evidently the 'usual' fantastic black tourmaline, and a few excellent blue beryls var. aquamarine...unpublished 'skorpionite' from the new Skorpion Mine near Rosh Pinah in Southwest Namibia were offered...or tarbuttite. Skorpion Mine is expected to become the world's largest zinc mine, covering 15% of our zinc...new minerals from that mine. I saw a few pieces of kochsandorite from the coal mine at Many in Hungary. |  | | Journal (article/letter/editorial) | | Kunz inspecting the darkest color of a Pala Chief mine kunzite crystal. Note where original has had a purple...it now resides. It is from the Pala Chief mine, Pala district, San Diego County, California. Figure 1c...right). Spodumene (kunzite), Pala Chief mine, Pala district, San Diego County, California. This image...photography, writing, and assisting at the Oceanview mine in San Diego County, California. He is a consulting...Frank Salmons, and Pedro Peiletch at the Pala Chief mine, San Diego County, California, as noted on the back |  | Wang, Ru, Cheng Che, Xu, Dong Zhang, Wen, Lan Zhang, Ai, Cheng Zhang, Hui (2009) Geochemical evolution and late re-equilibration of NaCs-rich beryl from the Koktokay #3 pegmatite (Altai, NW China) European Journal of Mineralogy, 21 (4) 795-809 doi:10.1127/0935-1221/2009/0021-1936 | Journal (article/letter/editorial) | | were studied in the Koktokay #3 pegmatite, Altai district, China. Complex internal textures in individual...thousands of pegmatite dykes in the Altai pegmatite district, NW China (Fig. 1a). This pegmatite, with a NW-SE...with muscovite, columbite, garnet and beryl. Tourmaline grains are very rare. Zone III contains large...amblygonite and pollucite as accessory minerals. No tourmaline grains are found in this zone. Zone VIII occurs...found for the first time in the Sakavalana pegmatite, central Madagascar (Hawthorne et al., 2004). The |  | | 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 |  | | Journal (issue) | | NOVEMBER-DECEMBER 2021 Articles A history of tourmaline from the Island of Elba .......................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 |  | | Journal (article/letter/editorial) | | muscovite + garnet + biotite ± apatite ± beryl ± tourmaline (Barr 1985); in light of the findings of Evensen...Evensen & London (2002), the presence of beryl and tourmaline is a sign that the anatectic melts have moved...gradients documented in the ratio 87Sr/86Sr in the tourmaline-bearing Manaslu leucogranite in the Himalayan...and veinlets of boron-rich pegmatite do contain tourmaline, in a graphic intergrowth with quartz, but also...quite possibly because of the participation of tourmaline as a reactant in the anatectic reaction. Grew |  | | Journal (issue) | | van Langban L (bijj Filipstad); Ă©Ă©n van de rijkste mine eralenvindpla aatsen ter wereld. w Daar wa as Etienne...spodumene-bearing quartz veins of the Rist emerald mine, Hiddenite, North Carolina ROCKS AND MINERALS 82(2)...Australian opal resources 128-134 Molybdenite (Allies mine, Deepwater, New England region, NSW, Australia)...135-139 New data on arsenate minerals from the Tsumeb mine, Namibia 140-146 Rochester mineralogical symposium...carrollite from the Kamoya South II mine, Congo ; minerals from the Palermo #1 mine, North Groton, New Hampshire |  | | Journal (issue) | | Lee Anderson; and âFireâs Songbird,â a 17.68 ct tourmaline by Larry Winn. For more about the Elements collection...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...most notable pieces is âGreen Dream,â a diamond, tourmaline, and tsavorite necklace featuring a 217 ct peridot |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Showroom 1518 Slocum Street âą Dallas, TX 75207...17656. LOT VIEWING Heritage Auctions Design District Showroom 1518 Slocum Street âą Dallas, TX 75207...A beautiful Crystallized Gold from the â16-to-1â Mine âą 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 âą Sapphires and pezzottaite from Madagascar âą Mogok update âą âStarâ obsidian âą Unusual star...HPHT-processed diamonds from Korea âą Tourmaline with an iridescent coating âą Madagascar gem cutting, and plans for...chromite), and paramagnetic (e.g., garnet, mica, tourmaline) minerals, magnetic susceptibility is positive...Elara diamond design patent invalidated by U.S. district court (2003) National Jeweler, Vol. 97, No. 18...gray, yellow, or pale green. It is named for the district in Scotland where it was first discovered (R. |
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Sakavalana mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar