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| FRANCE; Curator, School of Mines, Paris 4 F. HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY...H. J. SCHUBNEL, Professor and author, School of Mines, Paris, FRANCE „& JOHN SINKANKAS, author and collector...unique experience; for the first time he can enjoy an array of seventy-eight specimens each judged best...frequently recommended mineralâpredictablyâwas white quartz (rock crystal). It was obvious that any selective...In the Gallery these seventy-six are presented in an order calculated to delight the eye rather than merely |
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| 000007 0000Âź* The Worldâs Finest W MV >1VL an a CRYSTALS by Peter Bancroft A Studio Book THE...FRANCE; Curator, School of Mines, Paris ^ F* HOFMANN, Professor, School of Mines, Freiberg, east Germany...j. schubnel, Pro fessor and author, School of Mines, Paris, FRANCE ^ JOHN sinkankas, author and collector...unique ex perience; for the first time he can enjoy an array of seventy-eight specimens each judged best...frequently recommended mineralâpredictablyâwas white quartz (rock crystal). It was obvious that any selective |
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| Mandarino Famous mineral localities: The Annaberg District, Lower A u stria ...............................paragenesis, classic and new locations, etc. are invited. An audience of knowledgeable amateurs as well as professional...occurring in granitic pegmatite and polymetallic quartz vein set tings. It is commonly associated with...reported here. This wealth of world localities makes for an interesting compilation of occurrences, associated...Diligent examination of polymetallic hydrothermal quartz veins containing copper, bismuth and vanadium and |
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| FRANCE; Curator, School of Mines, Paris %e F. HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY...SCHUBNEL, Pro- Ye JOHN fessor and author, School of Mines, Paris, FRANCE SINKANKAS, author and collector...unique experience; for the first time he can enjoy an array of seventy-eight specimens each judged best...frequently recommended mineralâpredictablyâwas white quartz (rock crystal). It was obvious that any selective...In the Gallery these seventy-six are presented in an order calculated to delight the eye rather than merely |
 | | Report (issue) |
| Gold in Minerals and the Composition of Native Gold Gold in Minerals and the Composition of Native...Native Gold By Robert S. Jones and Michael Fleischer GEOLOGICAL SURVEY Washington 1969 CIRCULAR 612...considerations ----------------------------------------Gold in minerals ------------------------------------------------------...------------- _ Composition and the fineness of gold ---------------------------- ___ References cited...Analyses of gold in minerals made since 1954 --------------------10 4. Variation in fineness of gold with depth |
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| Rosenzweig IN SID E FRO NT COVER: Richard W . Thomssen Gold from the St. Josefs mine, Verespatak, Romania (left)...from the including photocopying âwithout emerald mines on the written permission from the Takowaja River...Ekaterinberg; prohibited. Individual photographers an aquamarine crystal (lower left) or their supporting..........................................3 9 Fersm an M ineralogical M useum Moscow, U SSR ..............much as they did a century ago. The facilities o f an old museum may be every bit as intriguing as the |
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| 585 Advanced argillic alteration of a corundum-quartz assemblage from the Bond range, Tasmania, Australia...minerals, 93 Andalusite, associated with a corundum-quartz assemblage in volcanic rocks from the Bond range...Bond Range, a corundum-quartz assemblage in altered volcanic rocks from, 325 AUSTRIA, north Tyrol composition...tetrahedritetennantite and 'schwazite' in the Schwaz silver mines from, 801 AzouG., F. 599 Back-scattered electron...-sanidine in Lionato Tuff, Colli Albani Volcanic District, Central Italy, petrogenetic implications of, |
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| Exhibited by ROLAXD U. DIXON. 3. Designs of the Golds of the Amoor River. From tlie col2. lections of...Books. 6. Periodicals. 4. Estimation of Growth by an Automatic Balance ; photographs. Exhibited by Professor...automatic cupel niacliiiic making GOO perfect cupels an hour. Zeiss binocular microscope according to Grecnough...The Queen-Le Chntelier pyrometer. c: An ioo,ooo-ohm box. d. An Ayrton shunt box. c. A new DâArsonval...Mining District, Colorado. f. Mother Lodc Mining District,, California. f Tenmile Mining District, Colorado |
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| I An American Downloaded by [University of Saskatchewan Library] at 01:08 08 January 2015 P CARL A....02138 francis@eps.harvard.edu I e ee on Russian Gold 0 0 Slls All photos by Jeff Scovil of specimens...the gold mining districts of Russia, the history of their discovery, their geology, and their gold production...American collectors have ever had to study Russian gold specimens. What is their actual experience of seeing...Russian gold are much better in Europe than in North America. The impressive nuggets of gold (and platinum) |
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| Geology Auburn University Auburn, Alabama 36849-5305 GOLD! Downloaded by [Stockholm University Library] at...STANDPOINT it may be more difficult to acquire a good gold specimen than any other generally familiar, readily...literature abounds with papers dealing in all aspects of gold geology, metallurgy, mining, and utilization; those...those interested in delving deeper into gold should consider the excellent historical and geological summary...Mineralogical Record issues devoted to gold (vol. 13, no. 6; vol. 18, no. 1). Gold is, if nothing else, distinctly |
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| specimens, the researcher should still be provided an opportunity at least to visually examine the best...published recognition for his contributions. Sometimes, an inferior sample is provided for description, and...perspective) to be in poor taste. The finding of an undescribed new mineral by a collector is not instant...on all when one is honored. However, this might be an inevitable condition considering the very personal...come back to him someday , they are best considered an unexpected bonus. The Mineralogist Having discussed |
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| .....................447 COVER: FERBERITE and quartz, 7 cm, from Mundo Nuevo, La Libertad, Peru. Marvin...chunk of mineralized rock. Elite collecting involves an element of extreme rarity and exclusivity. Micromounters...reviled by perfectionists as the mother of all flaws, an offense to the eye. Wilber: A very small ding or...a crystal face, the luster can be compromised on an almost insensible level. Nanowilbers usually result...perhaps a higher luster than seen before, or maybe an extraordinary association with another remarkable |
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| Advertising Manager Thomas P. Moore Tpmoorel@cox.net A gold specimen from the Spanish Dry Diggings, Eldorado...Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article...magazine; 'TU be the first to join," said Bryan. It was an excellent idea, but it needed a point man. At the...Fellows program receives an attractive certificate each year, which can be framed on an office or mineral room...room wall. And in 2016 we began presenting gold medallions-large pins with a magnetic clasp--that can |
 | | Journal (article/letter/editorial) |
| SPECIMENS OF NATIVE SCOTTISH GOLD. III.âMuseum Specimens of Native Scottish Gold. By W. LINDSAY, M.D., F...account of the various samples of Scotch gold and gold quartz, which are to be found in our national and...representa tion in our public museums of the golds and gold-rocks of Scot land; and a third* reason is...attaching to a comparison of genuine Scotch golds or gold-rocks with those of other auriferous countries...visited New Zealandâat the time of the outbreak of the gold fever of that fine colony.f On my return home in |
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| Western Tasmania, the Heazlewood district, and the Dundas district. The Dundas Ag-Zn-Pb mining field...10 km east of Zeehan, and contains a number of mines. Two of them are especially productive in terms...Pocketâ, 10.1 cm high. Gobin specimen. Crystalline gold from Round Mtn, USA Read on page 7 R. Scott WERSCHKY...Tucson Gem and Mineral show, and seeing some new golds from a mine you have never heard of. They are leafy...leafy specimens with bright, shiny, yellow gold and hints of octahedral crystals on the edges. The specimens |
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| specimens, the re searcher should still be provided an opportunity at least to visually examine the best...published recognition for his contributions. Sometimes, an inferior sample is provided for description, and...perspective) to be in poor taste. The finding of an undescribed new mineral by a collector is not instant...on all when one is honored. However, this might be an inevitable condition considering the very personal...come back to him someday, they are best considered an unexpected bonus. The Mineralogist Having discussed |
 | | Book (edition) |
| Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names |
 | | Journal (article/letter/editorial) |
| Characteristics of Supergene Gold of Karst Cavities of the Khokhoy Gold Ore Field (Aldan Shield, East... Abstract: Typomorphic features of supergene gold in karst cavities were studied in the recently discovered...discovered AuâTeâSbâTl deposit within the Khokhoy gold ore field of the Aldan-Stanovoy auriferous province...supergene gold, massive and porous, are recognized there. The first type is represented by gold crystals...impurity. The second type is represented by mustard gold of two types with different internal structure: |
 | | Catalog/List |
| NATURE & SCIENCE AUCTION DECEMBER 8, 2021 | DALLAS GOLDS, GEMS & FINE MINERALS Front Cover Lot: 72050 Inside...only. Please contact Client Services to schedule an appointment. Heritage Auctions | 2801 W. Airport...only. Please contact Client Services to schedule an appointment. Heritage offers extended payment plan...session begins. Fax: 214-409-1425 Lots are sold at an approximate rate of 65 lots per hour, but it is not...featuring a boutique sale of incredible Golds â including the largest Gold nugget ever found in Alaska AND the |
 | | Journal (issue) |
| year ago, a loyal supporter of FM had suggested that an account of activities at the Denver Gem & Mineral...interest to FM. That request has been fulfilled with an exhaustingly complete report of the event which has...Numerous minor actors in this drama had their own gem mines to exploit. This history recounts these tales from...with the illustrations in color, center stapled, and an 8.5 by 11 inch page format. The article has 18 figures...be mailed to the above address. Orders mailed to an international location should request by email postage |
 | | Journal (article/letter/editorial) |
| at 05:28 13 April 2015 Gold from GEORGIA Figure 1. A rare crystallized gold specimen from the Loud...lthough famous for its historical gold production, Georgia has few gold specimens with acceptable attribution...today. These specimens occur as nuggets or masses of gold ROCKS & MINERALS JULIAN C. GRAY Tellus Science...placer and saprolite deposits and as visible gold in quartz mined from lode deposits. Crystals are rare...have produced the occasional excellent gold crystal. Georgia gold deposits are restricted to the crystalline |
 | | Journal (issue) |
| Russian Geological Society Musee de Mineralogie of MINES Paris Tech, Paris, France Mineral Observer. Mineral...Ltd. Photo: Michael B. Leybov First Page Photo Gold nugget., 548 grams. Miass, Urals, Russia. Natural...most repre sentative buildings of historicism in Austria After ten years of construc tion the building...twins from Schlaggenwald in Bohemia, a large smoky quartz crystal from the Tyrolean Zillertal and a large...crystal from the Italian Ahrntal, as well as several gold nuggets and large native silver specimens (,,feather |
 | | Journal (article/letter/editorial) |
| and the symposium is Gold. In the early years of the Tucson show, the price of gold was The Mineralogical...and while gold no longer officially backed American currency, it was nevertheless used as an international...countries. Few gold mines operated in the United States during these years; most earlier mines had failed...forced closure during World War II. The active mines were for the most part underground operations whose...costs had to be balanced against the fixed price of gold, and profits consequently were low. There were universally |
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| Thirty-eight, Number Two Articles Pink fluorite from an exceptional find at Chumar Bakhoor, Pakistan . ..... . . . . . . . . . . .95 by R. Appiani Alpine quartz gwindels . . . . . . . . . . . . . . . . . . ....collection; photo by Thomas Sch pbach. See the article on quartz gwindels in this issue. The Mineralogical Record...crystal groups ever found, as well as albite, smoky quartz, goethite, fluorite, and many rare species at their...the ore mines of Peru where he acquired many imported specimens. In 1976 Kosnar published an article |
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| Diamonds in Colorado! The State Line Kimberlite District, Colorado & Wyoming, USA By Philip Persson, PerssonRareMinerals...21 Page 38 Page Precious Elements Diamonds, Gold, Silver, Platinum By Van King, newryqs@gmail.com...Mineralogy and History of Silver Deposits in the Calico District, California By Jeremy Zolan, jzolansci@gmail.com...Guided Tour Best Minerals - Diamond, Platinum, Gold and Silver Mindat is a free worldwide technical...Veronique Villeneuve Andrey Vishnevskiy Matthew von der Ahe Brad von Dessonneck Dermot Walsh Susana Watson |
