 | | Journal (article/letter/editorial) | | TOPAZ A • MINERALOGICAL • REVIEW Downloaded by [New York University] at 21:04 11 May 2015 Coveted...specimens from the National Museum of Natural History TOPAZ IS THE STATE GEM of Texas and Utah; however, it...the "big three" (emerald, sapphire, and ruby), topaz is nevertheless regarded as an important and prized...attributes is that, unlike many other gem minerals, topaz may occur in crystals large enough to cut giant...giant gemstones. Gems such as the Champagne Topaz (36,853 carats), the American Golden (22,875 carats), and |  | Monnier, Loïs, Salvi, Stefano, Melleton, Jérémie, Bailly, Laurent, Béziat, Didier, de Parseval, Philippe, Gouy, Sophie, Lach, Philippe (2019) Multiple Generations of Wolframite Mineralization in the Echassieres District (Massif Central, France) Minerals, 9 (10) 637 doi:10.3390/min9100637 | Journal (article/letter/editorial) | | greisen alteration is characterized by hydrothermal topaz that is texturally and chemically distinct from...wolframite; W mineralization; greisen; beauvoir granite; topaz; W-rich goethite; hydrothermal alteration 1. Introduction...of other distinctive minerals such as fluorite, topaz and tourmaline” [8]) in underlying granites, the...stockwork by topaz and (topazification) and granites), replacement of stockwork quartz by topaz quartz (topazification)...(Ta), W metal (W), Co metal (Co), Cu metal (Cu), topaz (F) and tugtupite (Cl). Table 1. Laser ablation-inductively |  | | Journal (issue) | | TOPAZ, I J.INERALOGICAL RECORD JANUARY-FEBRUARY 1995 • VOLUME 26 NUMBER 1 • $10 Wayne & Dona Leicht...Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica......................... 5 by M. A. Menzies Pink topaz from the Thomas Range, Juab County, U ta h .......Lichte & P. H. Briggs FM-TGMS-MSA Symposium on topaz...................................................Columns Notes from the editor by W. E. Wilson TOPAZ, COVER: TOPAZ crystals to 4 cm, on matrix, from Ghundao |  | | Journal (issue) | | Bochum, W. Germany Eric Offermann Arlesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA Julius...Richards Famous mineral localities: the Ouro Preto topaz mines ............................................new species of minerals, F-OH substitutions in topaz, amphiboles and tourmaline. X-rays were required...INTRODUCTION Brazil is world famous for its several occurrences of outstandingly large hydroxylherderite crystals...quality and are highly prized by collectors. These occurrences, all in Minas Gerais, are described below along |  | | Report (issue) | | No. 14: Topaz Perfect Cleavage ISBN 978-0-9790998-9-2 Publisher Lithographie, LLC Denver, Colorado...United States of America Photo Credits Cover: Topaz, 3.5 cm tall Capao Mine, Ouro Preto, Minas Gerais...Sigerman collection Robert Weldon photo Above: Topaz, 5.5 cm tall El Chalten, Santa Cruz, Argentina Scott...brooch/pendant is set with topaz from three different localities. Two Brazilian "Imperial" topaz gems make up the...the wings, totaling 19.59 carats, are light blue topaz. The wing tips are set with melee diamonds. The |  | Van Alstine, R. E., Worl, R.G., Heyl, A.V., Trace, R.D., Parker, R.L., Griffitts, W.R., Sainsbury, C.L., Cathcart, J.B. (1976) Geology and resources of fluorine in the United States. Professional Paper 933. US Geological Survey doi:10.3133/pp933 | Report (issue) | | deposits and occurrences.......................... Fluorine in topaz deposits and occurrences.............and districts and important types of fluorine occurrences................................ Alaska, by C...and districts and important types of fluorine occurrences-Continued Colorado-New Mexico-western Texas-southeastern....... 10. Locations of major topaz deposits, topaz occurrences, and topaz-bearing rhyolites in the United...26. Map showing major structural features in the region surrounding the Illinois-Kentucky fluorspar district |  | | Journal (issue) | | crystals upon quartz, from the Säo Jose da Safira region. Sample is 130 mm long. Occasionally contrasting...freely transmitted except for a faint absorption region near 560 nm. There is a fairly strong and narrow...tourmalines show a broad absorption in the green region centred about 525 nm accompanied by a narrow band...tourmaline deposits in Minas Gérais. In some occurrences the mica plates appear as if they were plastered...Vista pegmatite near Galiléia, Minas Gerais); apatite (Linöpolis area, Minas Gerais); fluorite (Pedra |  | | Book | | are those of the gold mines in the Witwatersrand region, near Johannesburg in South Mrica, which descend...discovery of the placer deposits in the Sacramento Valley in California led to the famous gold rush in 1849...1849, as did the discoveries in the Klondike region, Yukon River, Alaska. Only 2 years later, in 1851...films copper transmits green light. The major occurrences of native copper are copper-rich ores, especially...especially those of bornite, which formed in the region between the oxidation and reduction zones, e. g., |  | | Journal (article/letter/editorial) | | Volume 87, pages 445–453, 2002 Hydroxyl-rich topaz in high-pressure and ultrahigh-pressure kyanite...D.C. 20015-1305, U.S.A. ABSTRACT Hydroxyl-rich topaz was recognized in thick kyanite quartzites from...quartz, kyanite, and topaz, with minor phengite, pyrite, and rutile. Some topaz grains from the UHP belt...replaced by woodhouseite [CaAl3(PO4)(SO4)(OH)6]. Most topaz crystals contain 9.5 to 13.5 wt% F [0.92–1.30 atoms...occurring, hydroxyl-rich topaz has not been previously reported. Some topaz grains from the HP belt show |  | | Journal (article/letter/editorial) | | OF ADELAIDE LIBRARIES] at 21:12 11 October 2017 Topaz W in New Hampshire’s DONALD DALLAIRE 829 Candia...phosphate@gmail.com W hen one thinks of the mineral topaz, the first specimens that likely come to mind are...the world. New Hampshire, however, has produced topaz crystals for more than 125 years and is often overlooked...October 2017 Figure 2. Topaz, 2.8 cm tall, on kaolinite, Government pit. The topaz is embedded in kaolinite...collecting minerals since 1971 and specializes in apatite and New Hampshire minerals. He is on the board |  | | Journal (issue) | | Schubiger, Lore Kiefert, and Sabine Häberli 114 Topaz, Aquamarine, and Other Beryls from Klein Spitzkoppe...Fritsch Nantes, France Robert E. Kane Lucerne, Switzerland Kenneth Scarratt Bangkok, Thailand C. W. Fryer...Petershausen, Germany Henry A. Hänni Basel, Switzerland A. A. Levinson Calgary, Alberta, Canada James...REPRINT PERMISSIONS Christopher P. Smith Lucerne, Switzerland Subscriptions to addresses in the U.S.A. are...Mn, Be; Jegdalek, Afghanistan— Si, Fe, Be; Umba Valley, Tanzania—Fe, Si, Ti, Cr, V, Mn; Morogoro, Tanzania—Ti |  | | Journal (issue) | | .....................785 by W. E. Wilson Black topaz from the Thomas Range, Juab County, Utah ......... High in the mountain ranges of the Shigar Valley region of Pakistan, hundreds of mine tunnels pierce...Afghani and Pakistani minerals. He traveled to that region for minerals in the early 1970s (around the time...Freilich aquamarine, 13 cm, from Dassu, Shigar Valley, Pakistan. Now in a private collection; James Elliott...Sainte-Marie-auxMines Show in the amazing Alsace region of France. Marco is a bit of a genius: he is one |  | | Book | | Smale. Photograph taken by Jeff Scovil. Imperial topaz (130 x 35 mm), Antonio Pereira, Ouro Preto, Minas...337 Phosphates and arsenates 339 Extraordinary apatite crystals 350 Brazilianite, the mineral that is...375 The idiomorphic topaz 377 The superb beauty of the topaz 385 T he imperial topaz of Ouro Preto 393...393 The Mine of Capao do Lana 397 The imperial topaz of Antonio Pereira 398 The magical all ure of the cuclase...Neoproterozoic and associated granites: beryl, tourmaline, topaz, garnet, ap:1tite and other phosphates, quartz, |  | | Journal (issue) | | Museum Toronto, Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann...Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica... . . . . . . . . 275 by A. R. Kampf Zeolite occurrences in the Central Metasedimentary Belt of the Grenville...Record, volume 37, July–August, 2006 Zeolite Occurrences in the Central Metasedimentary Belt of the Grenville...modified from Price and Douglas (1972) and Peck and Valley (2000). staff in 1983. Over the next decade, approximately |  | | Book (edition) | | penny, some feldspar, a quartz crystal, and some topaz handy, you should be able to identify most minerals...Gypsum Fingernail Calcite Copper penny Fluorite Apatite Knife blade, nail, or window glass Orthoclase feldspar...chert, chalcedony, and jasper; streak plate Garnet Topaz Corundum Diamond Be a Safe and Considerate Collector...diorite. The New England states, the Rocky Mountain region, Arizona, California, and Washington are all good...Other minerals include quartz, tourmaline, topaz, mica, apatite, lepidolite, and monazite. There are varieties |  | Gioncada, Anna, Orlandi, Paolo, Vezzoli, Luigina, Omarini, Ricardo H., Mazzuoli, Roberto, Lopez-Azarevich, Vanina, Sureda, Ricardo, Azarevich, Miguel, Acocella, Valerio, Ruch, Joel (2014) Topaz magmatic crystallization in rhyolites of the Central Andes (Chivinar volcanic complex, NW Argentina): Constraints from texture, mineralogy and rock chemistry. Lithos, 184. 62-73 doi:10.1016/j.lithos.2013.10.023 | Journal (article/letter/editorial) | | journal homepage: www.elsevier.com/locate/lithos Topaz magmatic crystallization in rhyolites of the Central...2013 Available online 30 October 2013 Keywords: Topaz-bearing rhyolite Fluorine Magmatic volatiles Miarolitic...Miarolitic texture Central Andes a b s t r a c t Topaz-bearing rhyolite lavas were erupted as domes and...Chivinar volcano, in Central Andes. These are the only topaz rhyolite lavas recognized in Central Andes. Textural...geochemical data on the Chivinar rhyolites suggest that topaz crystallized from strongly residual, fluorine-rich |  | | Book (volume) | | Hallelujah Junction, Nevada; blue, cushion cut topaz (25.30 ct), Ramona, California; brownish yellow...various places, especially in regard to diamond occurrences which promise to make the North American continent...certain other areas, as around the Great Lakes region. Numerous small discoveries of gem materials took...C. & Barbara T. Smith, Four Clover Mine, Castro Valley, CA; Lita R. Smith-Gharet, Steel Eagle, Tigard...Alvin A. Youngquist, Bergsten Jade Co., Castro Valley, CA; June Culp Zeitner, Rapid City, SD. [also wish | | | Book (volume) | | Hallelujah Junction, Nevada; blue, cushion cut topaz (25 .30 et), Ra1nona, Caufornia; brownish yellow...various places, especially in regard to diamond occurrences which pro1nise to make the North American continent...certain other areas, as around the Great Lakes region. Numerous s1nall discoveries of gem materials took...C. & Barbara T. Smith, Four Clover Mine, Castro Valley, CA; Lita R. Smitl1-Gharet, Steel Eagle, Tigard...Alvin A. Youngquist, Bergsten Jade Co., Castro Valley, CA; June Culp Zeitner, Rapid City, SD. I also |  | | Journal (article/letter/editorial) | | Pre-proof Origin and physical-chemical control of topaz crystallization in felsic igneous rocks: Contrasted...Soufi, Origin and physical-chemical control of topaz crystallization in felsic igneous rocks: Contrasted...Pre-proof Origin and physical-chemical control of topaz crystallization in felsic igneous rocks: contrasted...In highly evolved F-rich felsic igneous rocks, topaz Al2SiO4(F,OH)2 forms in different genetic re stages:...deciphering the origin of OH–F variations in topaz. We conclude that topaz compositions in magmatic and post-magmatic |  | | Journal (issue) | | described.Aquamarine Aquamarine topaz occur in areas generdescribed. andand topaz occur in areas generally of...important important producer producer of aquamarine, topaz, tourmaline tourmaline and and sapphire. A A few...mentioned here because the aquamarine and topaz occurrences, described be- Fig. 2. Pits dug in eluvial...district, the aquamarine crystals, white to pale blue topaz and smoky quartz crystals occur in narrow stringers...eluvial, colluvial and alluvial aquamarine and topaz crystals on or near the surface, but the production |  | | Journal (issue) | | Museum Toronto, Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann...Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...rau.ac.za Klein Spitzkoppe has been producing topaz crystals for over 100 years. Since the discovery...colorless, transparent, so-called “silver topaz.” Most topaz specimens consist of loose crystals, but...spelling is the one used on the geological maps of the region. Spitz is German for “peak” and koppe refers to |  | | Book | | MB/ are a series of maps to give the mineral occurrences both a spatial and geological context, and some...reflection ofnot only the varied geology of the region but also a once-thriving minerals industry and..."British" species. A further 11 British first occurrences have since been recorded from specimens held...species to his increasing list of British first occurrences. What went unnoticed at the time was that the... so that the context of many of the mineral occurrences can be better understood. The accompanying figures |  | | Journal (issue) | | Museum Toronto, Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann...Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...FLUORITE on muscovite, 14 cm, from Nagar, Hunza Valley, Northern Areas, Pakistan. Wally Mann collection;...10/#5 Thomas & Wah Wah Ranges (Utah) (famous for Topaz, Red Beryl. etc) $12 v.11/#1 Toxic Minerals Barite...32-page, full-color Issue! 112 pages and much Apatite (Brazil), stereo photogr., color photography! $12 |  | | Journal (issue) | | Medenbach Bochum, Germany Eric Offermann Arlesheim, Switzerland photomicrography Julius Weber Mamaroneck, New...one gemstone. Superb and abundant sherry-brown topaz crystals and brilliant red beryl are the best known...Englemann probably made the first discovery of topaz in the area during an expedition in 1859 (Englemann...western Utah that produces these minerals. Similar occurrences have been known for many years in the Dugway...semi-arid climate and high elevation (1398-meter valley floors and 2128-meter mountain tops) gives the |  | | Journal (issue) | | Museum Toronto, Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann...Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...secondary uranium minerals (especially from the Shaba region of the Democratic Republic of Congo). The scope...specimens on display here, from a huge imperial topaz weighing more than 2,000 carats to a 6.8-cm phosphophyllite...well maintained trail system in the Vindicator Valley, just north of Victor. The trail provides access |
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