 | | Journal (article/letter/editorial) | | from South Baldface Mountain, North Chatham, Carroll County, and the Sugarloaf Mountain area, Grafton County...Government pit at Albany, the Iron Mountain quarries at Bartlett, Green Mountain near Effingham, and the Hamm...and Rutherford mine pegmatites, of the Amelia district, Amelia County, and as irregular grains replacing...replacing beryl at the Irish Creek tin deposit, Rockbridge County, Virginia. Well-formed crystals from the...reportedly reached 5 cm in length although the Amelia district is perhaps better known for micro-sized phenakite |  | | Report (issue) | | our way through the compet itive minefield of emerald science, much of John's contribu tion to this...any other opinion. extraLapis English No. 2: Emerald The Most Valuable Beryl The Most Precious Gemstone...we ⢠pay tribute to John Sinkankas to whom this emerald issue is dedicated. John Sinkankas wrote more...than 15 books including his 1981 definitive work Emerald and Other Beryls. He set standards for authors...them. We are grateful to him and hope that you will see his influence here in Emeralds of the World and in |  | | Journal (issue) | | 3 341 EMERALD FROM HABACHTAL by E. J. GĂBELIN, Ph.D., C.G., F.G.A. T H E emerald deposit of Habachtal...Habachtal, in Austria, is discussed in some detail in this paper not only because it is the only source of...practically no authoritative literature on the deposit exists in the English language. 10Âť n T h e initial...relatively unknown but nevertheless very interesting deposit in the Habachtal area differed by any local characteristics... HISTORY T h e occurrence of emeralds in the Salzburg Alps was already known to the Romans who did not |  | | Book | | undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...literature, Mr Readâs task was far from simple and I am most grateful for his discriminating selection of...xiii Chapter 1 Emerald and beryl in antiquity 1 Emerald in ancient Egypt 1 Emerald and beryl in ancient...10 Large European emerald objects 13 The Emerald Buddha 14 The Budhaâs tooth emerald 15 Hernando Contez...use of beryls in the Americas 15 Chapter 2 Emerald and beryl in medieval and modern Europe 18 Biblical |  | | Book | | undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...literature, Mr Read's task was far from simple and I am most grateful for his discriminating selection of...Chapter 1 Emerald and beryl in antiquity xiii 1 Emerald in ancient Egypt 1 Emerald and beryl in...Pliny's Natural History 10 Large European emerald objects 13 The Emerald Buddha 14 The Budha's tooth emeraid...use of beryls in the Americas 15 Chapter 2 Emerald and beryl in medieval and ~odern Europe 18 Biblical |  | | Journal (issue) | | to 4 cm, on matrix, from Ghundao Hill, Mardan district, Pakistan. F. John Barlow collection; photo by...Another Mineral Video M ail-order shoppers who like to see what theyâre ordering now hav< a new source. Readers...concise. This is a very pleasant, inexpensive way to see and perhaps bu some fine minerals during those house-bound...inch, $3.50â etc.) W ouldnât it be interesting to see what thos specimens actually looked like? But even...even videos from ten or 20 yeai ago would be fun to see. In any case, I highly recommend th< collectors, |  | | Journal (article/letter/editorial) | | i e r. c o m / l o c a t e / o r e g e o r ev Emerald deposits and occurrences: A review L.A. Groat a...Available online 22 April 2008 Keywords: Emerald deposits Emerald occurrences Crystal chemistry Geochemistry...isotopes ClassiďŹcation Exploration A B S T R A C T Emerald, the green gem variety of beryl, is the third most...emeralds. However there is speculation that the emerald mines in Colombia are becoming depleted. Brazil...of world emerald production. Emeralds have also been mined in Afghanistan, Australia, Austria, Bulgaria |  | | Book | | EMERALD and OTHER BERYLS by JOHN SINKANKAS This is Beryls jewelers, gists, geologists, earth ...sciences, yet eminently facet and widely a Emerald historians, gemological Sinkankas, the permanent...metal beryllium. with Beginning author traces emeraldâfrom its less ite, role of historyâs pendix...Unmatched third is knowledge from author one emerald cutting and of exotic composition, physical...mineralogical once events. languages for beryl emerald logical to and part, Sinkankas explores and |  | | Report (issue) | | Discovery Stoppaniite Fabio Tamagnini Page 40 Emerald and Aquamarine in Canada Lee A. Groat Page 22...are widely used (see page 22). These include aquamarine, red beryl, morganite, emerald, goshenite, and...varieties emerald and aquamarine are surrounded by the ancient mysticism of birthstones. Emerald, aquamarine...smaragdus" referred to what would be known today as emerald; "beryllus" is the Latin term for beryl; "sea green...of emerald, the modern designations for the beryl varieties emerged much later than did "emerald" and |  | | Book (edition) | | amphibole group). For more detailed information see "Dana's System of Mineralogyâ˘Âˇ ( 1944, I 951, 1962)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....abbreviations used are as follows: Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island),...other mineral mixtures, more detailed information see page 7 * valid mineral species in our opinion which...Structural Crystallography and Crystal Chemistry AM - American Mineralogist AMG - Ark.iv Mineralogi och |  | | Report (issue) | | aquamarine); 19.6 cm high Shigar Valley, Skardu district, Northern Areas, Pakistan P hoto by Jeff Scovil...Beryl (variety Morganite) ¡, Stak Nala, Skardu district, Northern Areas, Pakistan 4.6 cm wide; Collection....................................Page 80 Zagi Mountain: A Paradise for Rare-Earth Element Mineral Collectors...in Idar to arrange a flight to Kabul. Generally, I am cooler to mineralogical stimuli-the consummate professional-but...extreme contrasts in which one was as likely to see a new Mercedes-Benz as a caravan of 100 or more camels |  | | Journal (article/letter/editorial) | | MINERALIUM DEPOSITA ŠSpringer-Verlag 1990 Origin of emerald deposits of Brazil G. Giuliani 1. 2 , L. J. H....R.M./SGM, Bahia, Brazil Abstract. Precambrian emerald deposits of Brazil are found in a typical geologic...and deformation. Emerald mineralization belongs to the classic biotite-schist deposit, which formed by...pegmatite-free emerald deposits linked to ductile shear zones are also known. Emerald formation is attributed...the important gemstones in terms of weight while emerald is characterized by its high commercial value and |  | | Book | | ADOLFSSON, STIG G. Hrudeposit, Sweden 3:38-39 Notes on recent underground collecting...ALABAMA Iron phosphate mineral locality at Indian Mountain, Alabama (by H. Harwood) 5:241-244 Iron-manganese...18:65-74 Phosphate microminerals of the Indian Mountain area [Georgia and Alabama] (by J.B. Gordon, Jr...the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli) 8:287-293 Minerals...10:85-89 Micromounting in the eastern Alps of Austria (by K. Kotal) 13:171-173 ALSTONITE An occurrence |  | | Journal (article/letter/editorial) | | The natural F-rich topaz is typically confined to (see Table 1): i) highly evolved felsic igneous rocks...Podpolom highsulfidation type epithermal gold deposit, Slovakia. Topaz: small, light grey patches in...granite from the Hub stock, HornĂ Slavkov-KrĂĄsno ore district, Czech Republic, with aggregates of polysynthetic...in the Hub Jo stock, HornĂ Slavkov-KrĂĄsno ore district, Czech Republic. Topaz occurs as irregular, anhedral...and 0 wt.% F. The diagram is a convenient way to see both of the mole fraction of OH (the complement |  | | Book | | mainland Tanzania) and then progressing to Kenya - I am proud to say that the coloured gemstones of these...the Neoproterozoic Metamorphic Mozambique Belt (see box on page 15). This geological entity hosts the...chrysoprase S-sapphire D-diamond Sn-tin (cassiterite) E-emerald T -tourmaline Am- amethyst Mahenge sedimentary...For a Iist of East African type mineral species, see page 222. Burundi Of the five East African countries...provinces have consistently produced tin from cassiterite from small-scale mining, both industrially and |  | | Journal (article/letter/editorial) | | Petrological Background The Nanping pegmatite district is located in the southeastern margin of the Caledonian...Minor phenakite also is encountered, along with cassiterite, columbiteâtantalite, zircon, apatite, and spessartine...minerals are interstitial to saccharoidal albite. Cassiterite, columbiteâtantalite, wodginite and tapiolite-(Fe)...wodginite-group minerals, tapiolite, microlite, zircon and cassiterite. Zone IV is mainly composed of coarsegrained...wodginite-group minerals, tapiolite-(Fe), microlite, cassiterite, and pollucite occur as accessory minerals. Spodumene |  | | Journal (issue) | | approval of the editor. Suggestions for authors See Vol. 16, no. 2, p. 105, or write for copy. Replacement...Minas Gerais, Brazil. (For more on the locality see the article by Cassedanne and Lowell, vol. 13, no...according to stan dard Mineralogical Record format. See published articles for ex amples. Remember to give...issues), or V o lu m e s 8-9 (12 issue s). (You can see th a t th e R e c o r d has g ro w n c o n s is te...discovered. SAO MIGUEL DE PIRACICABA DEPOSIT The Sao Miguel de Piracicaba deposit, in the state of Minas Gerais |  | | Journal (article/letter/editorial) | | Beryl from Cuonadong Sn-W-Be Rare Polymetallic Deposit in Southern Tibet, China Yiyun Wang *, Guangming...Beryl from Cuonadong Sn-W-Be Rare Polymetallic Deposit in Southern Tibet, China. Minerals 2022, 12, 497...Abstract: The Cuonadong deposit is the first large scale Sn-W-Be rare polymetallic deposit located in southern...orebody from the Xianglin area of the Cuonadong deposit are the research objects, marked as Beryl-I and...similar metallogenic backgrounds to the Cuonadong deposit in the Himalayan region, it has great potential |  | | Journal (article/letter/editorial) | | 000 Belo Horizonte MG, Brazil the context of emerald mineralization, but seem to be of less importance... which included green tourmaline mistaken for emerald, induced the Portuguese Bandeirantes to follow...brazilianite, kunzite), and subordinately for cassiterite, columbite-tantalite, spodumene and pollucite...geology. The PD of ItambeĂ (1) is the only studied district located within the SaĂo Francisco craton as deÂŽned...Quaternary and Tertiary sediments (Figs. 1 and 2, district 1). In the south, Proterozoic migmatites and gneisses |  | | Journal (article/letter/editorial) | | existence of the disparate fluortourmaline species (see Table 1). Tourmaline can be classified into groups...Within the restriction of the dominant-valency rule (see above), the dominant anion of the dominant valency...included information on tourmaline related to emerald mineralization and greisen-style metasomatism of...microscopy of muscovite alteration of tourmaline. Am. Mineral. 83, 535-541. Akizuki, M., Kuribayashi,...in growth sectors of tourmaline from Madagascar. Am. Mineral. 86, 364-369. Aurisicchio, C., Demartin |  | | Book | | Marshall, Anthony E. Fallick and Yannick Branquet Emerald Deposits: A Review and Enhanced ClassiďŹcation Reprinted...review proposed an enhanced classiďŹcation for emerald deposits based on the geological environment (magmatic...one of the images (inclusions hosted in Russian emerald) for the cover page of this Special Issue book...A.; Marshall, D.; Fallick, A.E.; Branquet, Y. Emerald Deposits: A Review and Enhanced ClassiďŹcation....Paris-Lodron-University of Salzburg, Hellbrunner Str. 34, A-5020 Salzburg, Austria; franz.neubauer@sbg.ac |  | | Journal (issue) | | Neto, and Jan Kanis Polished emeralds from this deposit in northeastern Brazil, discovered in 2006, typically...irradiation. OVERVIEW AND UPDATE pg. 42 73 Brazilâs Emerald Industry Andy Lucas REGULAR FEATURES 31 45 47...synthetic ⢠Diamond with unusual color zoning ⢠Large emerald with gota de aceite structure ⢠Artificial metallic...Azurite in granitic rock from Pakistan ⢠Catâs-eye emerald from Belmont, Brazil ⢠Meteorite watches ⢠Purple...Iris agate from Montana ⢠Black cassiterite ⢠Diopside from Kenya ⢠Emerald mining in Mingora, Pakistan ⢠|  | | Journal (article/letter/editorial) | | 0003-004X/14/0506â999$05.00/DOI: http://dx.doi.org/10.2138/am.2014.4675 999 time in the history of the Solar...of minerals containing essential beryllium. (a) Emerald in mica schist matrix from the Murchison greenstone... Be2AlO4. Twinned crystals from the Ratnapura district, Sri Lanka. Photograph of sample R100130 reproduced...1981; Meyer 1981, 1985; Rundkvist 1982; Stowe 1994; see also Krivovichev 2013 for a history of mineral evolution)...BeMn2+PO4(OH) Phosphate 133 Vinogradovite Not a Be mineral; see text Be109 Wawayandaite Ca6Be9(Mn2+)2BSi6O23(OH,Cl)15 |  | | Journal (issue) | | Franks, B.Sc., Ph.D., F.G.A. South Yorkshire & District Branch: J. L Platts, F.G.A. Examiners: E. A. Jobbins...midway along one long edge of the oval. The latter (see Figure 1) was chosen for analysis because it is the...examined in reflected light and any changes in lustre (see Figure 2) similar to those seen between the garnet...titanium causes the violet tinge in such gemstones (see Nassau, 1980; Schmetzer & Bank, 1981). Without disturbing...connexion rather than the oval contour of Thai ruby, see Figure 9) and healing fissures (Figure 13) were a |  | | Book | | Republic of Egypt 132 Argentina 132 Australia 133 Austria 135 Brazil 135 Bulgaria 155 Canada 156 Commonwealth...genetically similar deposits (and often in the same deposit) it is hoped that a similar format will make it...Brazil, Sri Lanka; Jos plateau, Nigeria; Volyn district, Ukraine, and numerous pegmatites throughout the...location of the Mugla, Turkey, yellow and pink topaz deposit is shown 6 Topaz- Historical perspectives Lithon...locality may be the neighbouring topaz deposit in Egypt, near the emerald mines of Jebel Zabara, which were |
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