 | | Journal (issue) | | clockwise from left: a 64.45 mm Sri Lankan sapphire crystal, a 24.34 ct Sri Lankan blue sapphire, two cuprian...mm pink-purple Sri Lankan sapphire crystal, a 10.90 ct Burmese ruby, and an 11.11 ct Sri Lankan alexandrite...in Colombia (3.90 ct faceted stone and 2.35 cm crystal), courtesy of William Larson, Pala International...blue sapphire was thought to exclusively indicate a Sri Lankan origin. Photo by Tino Hammid. trace elements...was long thought that this property pointed to a Sri Lankan origin. However, as more deposits were found |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street ā¢ Dallas, TX 75207 Session...Collection LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street ā¢ Dallas, TX 75207 Wednesday...Sulfur specimen from Italy ā a tremendously large crystal on matrix. There is a wide selection of exemplary... Wisconsin, USA This is one of the Chalcocite crystal groups saved by enlightened specimen collecting...of operation from 1993 - 1997. This iridescent crystal group is typical of the high quality Chalcocites |  | | Catalog/List | | Design District Showroom 1518 Slocum Street ā¢ Dallas, TX 75207 Heritage Auctions Design District Showroom...500 72013 Nantan Meteorite Iron, IAB-MG Guangxi Province, China Found: 1958 This Nantan meteorite is supremely...blackish in coloration and has an organic shape. The giant meteorite looks a bit like a huge coprolite from...Millibillillie Meteorite Eucrite-mmict Wiluna District, Western Australia (26Ā° 27āS, 120Ā° 22āE) Fall:...amazing metallic luster intermixed with stark white Calcite. This is a beautiful combination, which, of course |  | | Book | | important topaz gems and crystals 20 Introduction 20 Giant uncut crystals 20 Large and important cut stones...topaz 26 Large imperial topaz 27 3 Chemistry and crystal structure 31 Chemical composition 31 Trace element...element chemistry 33 Synthesis of topaz 35 Crystal structure 36 The OH group and symmetry problems 4 Optical...of South Africa 189 Saudi Arabia 190 Spain 190 Sri Lanka 190 Sweden 191 Thailand 192 Turkey 192 United...as often stated in the gemmological literature. Crystal system Pure F topaz is orthorhombic, as OH is |  | | Journal (article/letter/editorial) | | to difficult extremely and quarry was made inside a single feldspar crystal. And been both cumbersome...(1968,p.14)thus ". . . in the Ural Mountains a quarry (1968,p.197).Each of the and the listed separately...class titles has been conbeen single feldspar crystal", and Kostov (1968, p.55) most common minerals-silicates-have...of the twenty-four mineral categories, like many giant crystalsit was not accurately meathere are listed... the greatestvolume, and the recthree has all crystal single a (1923)published,in this journal, a list |  | | Journal (article/letter/editorial) | | Scheelite from Xuebaoding, Pingwu County, Sichuan Province, P.R. China Xianyu Liu 1 , Jiuchang Yang 1,2 1...Scheelite from Xuebaoding, Pingwu County, Sichuan Province, P.R. China. Minerals 2022, 12, 1344. https://...Sichuan Province, China, produces a kind of yellow-orange-hued scheelite with ideal crystal shapes, large-grain...market value which is favored by gem and mineral crystal collectors. In this article, five Xuebaoding scheelite...belonging to a tetragonal crystal system, with a space group of C6 4h -I41 /a. The crystal structures contain |  | | Journal (issue) | | 307 by ]. P. Cassedanne Mineralogy of the Kalkar quarry, Santa Cruz, California..........................interest in real paleontology. He may even have crystal specimens or rocks, but he does not relate to mineralogy...no more leatherbound copies of his book Gem & Crystal Treasures will be produced. As of May 19, fifteen...from the second floor one first comes upon the āCrystal Pocket,ā a recreation of a pocket in the Elmwood...Gale and Richard Thomssen Figure 6. Brazilianite crystal, 8 cm, with muscovite from Corrego Frio, Minas |  | | Report (issue) | | and chromium can substitute for aluminum in the crystal structure. Ideal "fluortopaz" (Al2SiO4F2) would...lighter and larger than fluorine. Crystals and Crystal Structure Crystals are orthorhombic and are typically...dipyramidal with point group symmetry 2/m 2/m 2/m. Crystal structure consists of layers of oxygen, fluorine...hydroxyl molecule substitutes for fluorine in the crystal structure; the refractive index decreases as the...(modified from Ribbe, 1980) Upper left: A topaz crystal drawn using JCRYSTAL software The diagram shows |  | | Journal (issue) | | spinel deposit of An Phu, Luc Yen mining district, Yenbai Province, Vietnam 239-253 Tucson show 2006 257-263...(Hunedoara county, Romania) : mineral data and crystal structure of a new amphibole end-member * CANADIAN...Telfer gold mine, Western Australia 45-47 A curious calcite morphology (pseudooctaĆ«der) * SCHWEIZER STRAHLER...Siebengebirge 44-51 Kolonne bei Embillipitiya auf Sri Lanka (olivijn, hoornblende, spinel) 52-64 Das Smaragd-Vorkommen...grijze of beige tint. 111 010 100 110 De "Giant crystal project site" vermeldt zelfs dat in de jaren |  | | Catalog/List | | Design District Annex 1518 Slocum Street ā¢ Dallas, TX 75207 Heritage Auctions Design District Annex 1518...department. It will be held in the Dallas Design district at 1518 Slocum Street on June 2, 2013. The auction...specimen with haunting blue color and formidable crystal size. ā¢ Rare species, such as the world-class Leiteite...after LAUMONTITE with APOPHYLLITE Mumbai District (Bombay District), Maharashtra, India Three minerals makeup...rugged terrain of the Haramosh Mountains conceals crystal treasures from the eyes of all but the most intrepid |  | | Journal (issue) | | between Kamila and Naran, Kohistan. The large crystal measures 5.1 cm, and the cut stone weighs 64.6...cross-index by locality for all of the 23,606 crystal drawings in Goldschmidt's famous ninevolume Atlas...rocks of South Central Africa of a polymetallic province, distinct from the stratiform Cu-Co-U seams of...in the Katanga System or its equivalents. This province includes deposits of Zn-Pb-Cu with an array of...indigenes serving as guides. In 1915, the Kipushi district was delineated by the famous prospecĀ tor Major |  | | Catalog/List | | Avenue, 17th Floor ā¢ Dallas, Texas 75219 Design District Annex ā¢ 1518 Slocum Street ā¢ Dallas, Texas 75207...835.3243 ā¢ Email: Bid@HA.com Heritage Design District Annex Cataloged by: David Herskowitz Edited by:...ā¢ 1:00 PM CT 38002āā AMETHYST CAST AFTER CALCITE Artigas, Artigas Department, Uruguay Perched on...and 5ā
inches long. At one point a large Calcite (?) crystal, covered by Amethyst, rested on top of the...the mound. At a later point in time, the Calcite crystal dissolved, leaving a hollow echo of itself in |  | | Journal (issue) | | 473 SENIOR FELLOWS Peter Bancroft The Braen Quarry, Haledon, Passaic County, New Jersey . . . ....The left crystal and the central crystal are from pegmatite no. 576, near shaft 6. The crystal on the right...from a mid-1990s pocket near shaft 2. The central crystal is in the Marco Amabili collection; the other two...crystals which he suspected to be methamphetamine (ācrystal methā). So he handcuffed her and placed her in...also some worldwide specimens; and the Arizona calcite with copper inclusions that was included in an |  | | Catalog/List | | Maple Avenue, 17th Floor ā¢ Dallas, TX 75219 Design District Annex ā¢ 1518 Slocum Street ā¢ Dallas, TX 75207...and many a hunter has tried to sneak up on this giant-eared Antelope only to see it disappear into the...Whale feeds on many forms of prey, including the Giant Squid, using its massive jaws lined with large sharp...of the United States. Estimate: $600-$850 49011 GIANT HUMBOLT SQUID BEAK Dosidicus gigas Eastern Pacific... June 6, 2010 | 1:00 PM PTāā 9 49013 PAIR OF GIANT SAWFISH ROSTRA Pristis sp. Indonesia The mysterious |  | | Catalog/List | | and Mail) Heritage Auction Galleries Design District Annex 1518 Slocum Street ā¢ Dallas, Texas 75207...Avenue, 17th Floor ā¢ Dallas, Texas 75219 Design District Annex ā¢ 1518 Slocum Street ā¢ Dallas, Texas 75207...2009 Heritage Auctions, Inc. Heritage Design District Annex 18265 Natural History Specialist Steve...impressive 9 foot 6 inches, on a 62 x 50-inch base. This Giant Bear displays superb taxidermy quality, has excellent...measuring a remarkable 69ā
inches long uncoiled. A giant specimen like this one could pack a large venom |  | | Report (issue) | | Golconda Mine, Minas Gerais, Brazil Fluorapatite in Calcite; Liscombe Property, Wilberforce, Ontario, Canada...apatite structure is complex and contains three district sites on which the cations sit. The calcium and...fluorine, chlorine, and hydroxyl in a given sample by crystal structure analysis using x-ray diffraction data...frequently observed, sometimes as the only form on the crystal. Some crystals, especially those found in Alpine...Goldschmidt (1 91 3) provides 1 3 pages of apatite crystal drawings and illustrates more than 1 7 distinct |  | | Journal (issue) | | SEPTEMBERāOCTOBER 2022 Articles The Akchatau mine, Shet District, Karaganda, Kazakhstan..................573 by...(2020ā2022) Christophe A. Gobin (2017ā2021) The Crystal Gazers (2022) Died, John Dagenais, 76 Mineralogy...recently he had been concentrating on the Tintic district in Utah and amassed many self-collected specimens...mineralized lava tube at Centreville, Virginia. The giant pocket took 27 hours to collect, and John wound...illustrated in his 1972 article on the Fairfax quarry in the Mineralogical Record, and on page 255 of |  | | Journal (issue) | | gressman@minrec.org Articles The Malkhan Pegmatite District Krasny Chikoy, Transbaikalia, Eastern Siberian...the Forgotten Pocket, Sosedka pegmatite, Malkhan district. The same specimen as shown from a different angle...5 cm CRYSTAL CLASSICS FINE MINERALS orders@crystalclassics.co.uk | +44(0)1935 862673 Crystal Somerset...cell.: +43 (0)664 4047940 The Malkhan Pegmatite District Krasny Chikoy, Transbaikalia, Eastern Siberian...discoveries in Brazil, California and the Himalayas. The district has produced over 50 different mineral species |  | | Journal (issue) | | Journal of Mines and Minerals about barite and calcite nodules on the beach at Sidmouth, with a picture...presence of calcite, so I set off with my hammer. Very many of the pieces broken had calcite in them, often...pale-blue or golden crystals of barite among the calcite, but I was disappointed - no barite. Whether this...way back from Cornwall, but still no barite. The calcite vugs are nice though and it gave me the excuse...mining district, famous worldwide for its metallic sulphides, barite and calcite: the district includes |  | | Journal (issue) | | NikolaiŠ . Yushkin GEMSTONES OF Š¢ŠŠ Š¢IŠAN-NORTH URAL PROVINCE .............................. 3 EduardF. Emlin...Š . Yushkin GEMSTONES OF Š¢ŠŠ TIŠAN-NORTH URAL PROVINCE The emergence and growth of the jeweler's art...the Timannorth U ral gemstone province. The Timan-north Ural province is characterized Š¬Ń Š° fairly complex...complex geological structure. The province includes the northeasterŠæ part ofthe East European platform...Zemlya). The age range of outcropped rocks ofthe province exceeds 2.2 Š¬.Ń. Such heterogeneous geological |  | | Book | | the structure, and of lore. Christian the crystal color. lan- signif- chemical optical properties...part is anywhere an beryl deposits, of fine crystal Sinkankas has in the literature, encyclopedic...90 Emerald Lore in Colombia and Peru, 5. 93 Crystal Structure Chemical Composition of and Beryl...German Democratic X Republic, 442 Contents Sri Lanka 445 Mongolia, Ireland (Eire), 455 (Ceylon)...of S are diamond (top left) sapphire, chry- crystal (top right). Emerald and other hand, from |  | Liu, Taotao, Zhu, Chuanwei, Yang, Guangshu, Zhang, Guishan, Fan, Haifeng, Zhang, Yuxu, Wen, Hanjie (2020) Primary study of germanium isotope composition in sphalerite from the Fule PbāZn deposit, Yunnan province. Ore Geology Reviews, 120. 103466 doi:10.1016/j.oregeorev.2020.103466 | Journal (article/letter/editorial) | | sphalerite from the Fule PbāZn deposit, Yunnan province ā T ā Taotao Liua,b, Chuanwei Zhua, , Guangshu...deposit The SichuanāYunnanāGuizhou metallogenic province in southwest China is one of the most important...such as the Lingcang Ge-rich coal deposit and the giant Huize PbāZnāGe deposit. The SichuanāYunnanāGuizhou...including Ge, Cd, Se, and Ga, this metallogenic province is also well known (both within China and globally)...the SichuanāYunnanāGuizhou PbāZn metallogenic province, SW China (modiļ¬ed from Xiong et al., 2018). |  | | Journal (article/letter/editorial) | | September/October 2014āā 445 Figure 8. Willemite with calcite, 12.5 cm tall, fluorescent under longwave ultraviolet...the new structure in a manner befitting the arts district. True to form, the interior consists entirely...Badakshan Province, Afghanistan. Gail and Jim Spann specimen. Figure 12 (below). Manganese-rich calcite on calcite...calcite, doubly terminated and the best of the find, 17.0 Ć 19.5 Ć 15.0 cm, from the Fengjiashan mine...Pseudomalachite, 18.7 Ć 15.0 Ć 15.5 cm, from the Kambove District, Katanga Copper Crescent, Katanga, Democratic |  | | Journal (article/letter/editorial) | | HydrothermalāMetamorphic Veins in the Nether Polar Ural Province S. K. Kuznetsov, E. N. Svetova, S. N. Shanina...AbstractāVein quartz from the Nether Polar Ural Province was examined by atomic emission spectrometry,...elements were detected in the gran ulated quartz. Giantcrystalline milkwhite quartz is noted for higher...decrepitate, as is typical, first of all, of the giantcrystalline milkwhite quartz. Gas separa tion...inclusions were not, however, completely removed. The crystal structure of the quartz contains minor Al, Ge, |  | | Journal (issue) | | Nobuyuki Horiuchi, Japan A.H. Muhammed Imtizam, Sri Lanka Rajiv Jain, India Susie Kennedy, Kenya Phuket...destination. Huay Xai is the capital of Laosā BokĆØo District. BokĆØo means literally āgem minesā (bo = mine;...Xai. It sits next to an 11.99-ct parti-colored crystal, also from Gem diggersā huts. (From Smyth, 1895)...the Sapphire Deposits in Ban Houai Sai, BokĆØo Province, Laos Like the sapphire deposits in Australia...of the largest private employers in Laosā BokĆØo District. (Photo: Ryan Libre) www.gemstone.org InColor |
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