 | | Journal (article/letter/editorial) | | Caron and Geneve Rege Figure 1. Four original liddicoatite tourmaline crystals before cutting. Clockwise...Lost Liddicoatite Crystals ā How a Long-Misplaced Lot of Gem Liddicoatite Crystals from Madagascar Was...work, said he had āinheritedā a group of large āliddicoatiteā crystals (see the Connoisseurās Choice column...Robert B. Cook in this issue for a discussion of liddicoatite terminology). There are more than a dozen species...supergroup, including elbaite, dravite, and schorl. Liddicoatite, first recognized as a tourmaline species in |  | | Catalog/List | | SignatureĀ® Internet Session 2 Heritage Auctions Design District Annex 1518 Slocum Street ā¢ 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...Cuprite Onganja Mine, Onganja, Seeis, Windhoek District, Khomas Region, Namibia One of the iconic Cuprite... 57009 Cerussite Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia Kombat Cerussites |  | | Journal (article/letter/editorial) | | GEM-MINERALIZED AND āHYBRIDā ANJANABONOINA GRANITIC PEGMATITE, CENTRAL MADAGASCAR: A RECORD OF MAGMATIC AND... Moro 5, Iā00185 Roma, Italy Abstract The Anjanabonoina rare-element-enriched granitic pegmatite dikes...dikes, located about 40 km southwest of Betafo, in central Madagascar, are emplaced in a complex environment...mineralogy (which includes abundant elbaiteāliddicoatite, a pink variety of beryl, spodumene, and hambergite)...hambergite) typical of much of the Anjanabonoina dike. Large crystals of pyrochlore of the first generation |  | 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) | | boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared...tourmalines of the liddicoatite-elbaite series from pegmatites from Anjanabonoina, Madagascar, have been characterized...to the olenites (from Koralpe, Austria) the liddicoatite-elbaite samples show a positive correlation...formulae of the Al-rich tourmalines from Anjanabonoina, Madagascar, show ~ ā 0.2 (vacancies) on the Y site...process. Keywords: Liddicoatite-elbaite, tetrahedrally coordinated boron, Madagascar, structure, chemistry |  | | Journal (issue) | | when purchasing gems. 28 Liddicoatite Tourmaline from Anjanabonoina, Madagascar Dona M. Dirlam, Brendan...elbaite with Cu ā¢ Vesuvianite from Kenya and Madagascar ā¢ Star opal triplets ā¢ Plus: Emeralds from Hiddenite...Hiddenite, North Carolina ā¢ Star emerald from Madagascar ā¢ Tourmaline āsliderā in quartz 107 109 111...leadership in the field, the tourmaline species liddicoatite was named after him in 1977. Much of this tourmaline...tourmaline has come from Madagascarās Anjanabonoina mine and contains remarkable color zoning, as shown |  | Ertl, Andreas, Topa, Dan, Giester, Gerald, Rossman, George R., Tillmanns, Ekkehart, Konzett, JĆ¼rgen (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 inļ¬uenced 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...tourmalines from the contact zone of Permian pegmatites to mica schists and marbles from different localities |  | | 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 (Butteās 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 |  | | Journal (issue) | | Resources. According to Wang et al. (1996), 22 pegmatites and 8 quartz veins related to emerald had been...gem mines in the central deposits, around Khlung District within Chanthaburi Province, have supplied more...geochemistry of Nb and Ta in rare-element granitic pegmatites. Bulletin de Mineralogie, Vol. 108, pp. 499ā532...gem collection. Chiolite occurs in some granite pegmatites and is associated with ralstonite, pachnolite...info/vlasovite/R060913). Vlasovite is known to be found in pegmatites in northern Russia, Canada, and Portugal. It |
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