 | | Journal (article/letter/editorial) | | Long-Misplaced Lot of Gem Liddicoatite Crystals from Madagascar Was Rediscovered after Some Thirty-five Years...three: 0.5 × 19.5 × 17 cm, 685 grams, Anjanabonoina mine, Madagascar. able story. The cast of characters...the celebrated 1948 pocket at the Anjanabonoina mine in Madagascar. These were studied by Dunn for his...Minerals in the early 1960s, about redicoatite from Madagascar. Based on their experience and discovering a...huge tourmathe famed 1948 pocket at the first Anjanabonoina mine. line crystal from Mount Mica, Maine (Shaub |  | | Catalog/List | | Signature® Internet Session 2 Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 (HERITAGELive...Topaz Klein Spitzkopje, Spitzkopje Area, Karibib District, Erongo Region, Namibia Klein Spitzkopje in Afrikaans...57007 Jeremejevite Ameib Farm 60, Usakos, Karibib District, Erongo Region, Namibia Jeremejevite crystals...Namibia at Mile 72, which is the world’s weirdest pegmatite locality since it is literally in the sand-covered...Cuprite Onganja Mine, Onganja, Seeis, Windhoek District, Khomas Region, Namibia One of the iconic Cuprite |  | | Journal (article/letter/editorial) | | certain pegmatites, granite bodies, quartz veins, and metal deposits. The pockets of pegmatites can be...forms in hydrothermal environments including pegmatites, greisens, and alpine and other veins. Commonly...a general association with amazonite-bearing pegmatites. Good phenakite specimens are relatively rare...the Morefield and Rutherford mine pegmatites, of the Amelia district, Amelia County, and as irregular...reportedly reached 5 cm in length although the Amelia district is perhaps better known for micro-sized phenakite |  | | Journal (article/letter/editorial) | | GEM-MINERALIZED AND “HYBRID” ANJANABONOINA GRANITIC PEGMATITE, CENTRAL MADAGASCAR: A RECORD OF MAGMATIC AND...Roma, Italy Abstract The Anjanabonoina rare-element-enriched granitic pegmatite dikes, located about 40...40 km southwest of Betafo, in central Madagascar, are emplaced in a complex environment characterized...metamorphic grade. The subhorizontal bodies of pegmatite are strongly zoned and, in the mineralized area...The primary minerals are typical of an NYF-type pegmatite, and contrast with the LCT-type mineralogy (which |  | Ertl, A., Hughes, J. M., Prowatke, S., Ludwig, T., Prasad, P. S.R., Brandstatter, F., Korner, W., Schuster, R., Pertlik, F., Marschall, H. (2006) Tetrahedrally coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies. American Mineralogist, 91 (11) 1847-1856 doi:10.2138/am.2006.2245 | Journal (article/letter/editorial) | | tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic...liddicoatite-elbaite series from pegmatites from Anjanabonoina, Madagascar, have been characterized by crystal-structure...formulae of the Al-rich tourmalines from Anjanabonoina, Madagascar, show ~ ■0.2 (vacancies) on the Y site...Liddicoatite-elbaite, tetrahedrally coordinated boron, Madagascar, structure, chemistry INTRODUCTION AND PREVIOUS...described recently from several localities. From a pegmatite near Stoffhütte, Koralpe, Styria, Austria, olenite |  | | Journal (issue) | | gems. 28 Liddicoatite Tourmaline from Anjanabonoina, Madagascar Dona M. Dirlam, Brendan M. Laurs, Federico...elbaite with Cu • Vesuvianite from Kenya and Madagascar • Star opal triplets • Plus: Emeralds from Hiddenite...Hiddenite, North Carolina • Star emerald from Madagascar • Tourmaline “slider” in quartz 107 109 111...this tourmaline has come from Madagascar’s Anjanabonoina mine and contains remarkable color zoning, as...they decided to go to the heart of the diamond district in New York. Liddicoat and Crowningshield taught |  | Ertl, Andreas, Topa, Dan, Giester, Gerald, Rossman, George R., Tillmanns, Ekkehart, Konzett, Jürgen (2019) Sr-bearing high-pressure tourmaline from the Kreuzeck Mountains, Eastern Alps, Austria. European Journal of Mineralogy, 31 (4) 791-798 doi:10.1127/ejm/2019/0031-2863 | Journal (article/letter/editorial) | | crystallization in the eclogite, i.e. tourmaline-bearing pegmatites in the country-rock, were influenced by a Sr-bearing...pre-enriched in B by the intrusion of tourmaline-bearing pegmatites during Permian metamorphism. Laser-ablation inductively...metapelitic country rocks with tourmaline-bearing pegmatites, which intruded during Permian times. A crustal...and Fe (Table 4). Commonly, tourmaline-bearing pegmatites of the Austroalpine basement units and many other...Bernhard, 2009; Ertl et al., 2010a; Pfaffl, 2012). A pegmatite from the Austroalpine basement, in contact to |  | | Report (issue) | | (2012). Lower left, lithium-cesium-tantalum-type pegmatite that shows typical green coloration in an assemblage................................. E9 Rare-Metal Pegmatite Deposits—Beryllium Type.........................beryl is imported mainly from Brazil, China, Madagascar, Mozambique, and Portugal. High-purity beryllium...that contain the mineral bertrandite, and (b) pegmatite deposits that have an abundance of the mineral...is also derived from beryl found in rare-metal pegmatite deposits 60° 50° 40° 30° 20° 10° 0° 10° |  | | Journal (issue) | | only comprehensive mineralogical study of the district. This work is as valuable today as it was 37 years...extraction technology originally conceived in the district were considered the state-of-the-art around the...1957). By the winter of 1864 the Summit Valley district (Butte’s original name) had been organized, with...bulk of the primary silver produced in the Butte district eventually came from the Rainbow vein system....dispatch a man by the name of Marcus Daly to the district in 1876, in order to examine the mining prospects |  | | Report (issue) | | Cave-in-Rock subdistrict, Illinois-Kentucky fluorspar district............................................G3...Cantabrian salt-related carbonate-hosted mineral district in north-central Spain..........................Red Dog mining district in Alaska and the stratigraphy of selected deposits in the district...............locations of selected lithium-cesium-tantalum pegmatites and lithium granites...........................lithium-cesium-tantalum pegmatites, detrital zircons from modern river sands, and lithium resources in pegmatites...... |  | | Journal (issue) | | Resources. According to Wang et al. (1996), 22 pegmatites and 8 quartz veins related to emerald had been...Province, occur in association with quartz and pegmatite veins and Proterozoic granofels. • The Malipo...quartz veins and northeastsouthwest-trending pegmatite veins intruding deformed Proterozoic granofels...zone with host rocks. Dozens of emeraldbearing pegmatite veins cover an area of 10 km2. The length of the...transparency. In contrast, the emeralds within the pegmatite veins are larger, more abundant, and idiomorphic |
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