 | | Journal (article/letter/editorial) | | assemblage in altered volcanic rocks from, 325 AUSTRIA, north Tyrol composition of tetrahedritetennantite...tetrahedritetennantite and 'schwazite' in the Schwaz silver mines from, 801 AzouG., F. 599 Back-scattered electron imagery...-sanidine in Lionato Tuff, Colli Albani Volcanic District, Central Italy, petrogenetic implications of,...BEVAN, D.J.M, 121 BOLIVIA, formation of W-bearing rutile in the Kori Kollo mine, 421 Bond length, dependence...CHINNER,G.A., 265 Chrisstanleyite, new mineral, in gold-bearing carbonate veins, 257 CIIPdSTY, A.G., 77 |  | | Book | | 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 ÂĽ& JOHN SINKANKAS, author and collector...unique experience; for the first time he can enjoy an array of seventy-eight specimens each judged best...In the Gallery these seventy-six are presented in an order calculated to delight the eye rather than merely...epidote are omitted, how is it possible to select two golds, two silvers, two rhodochrosites, and two siderites | | | Book | | 000007 0000ÂŽ* 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...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 |  | | Journal (issue) | | 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...reported here. This wealth of world localities makes for an interesting compilation of occurrences, associated...mine, Czech Republic Mrazek et al. (1994) report an occurrence of namibite from the Elias mine, Jachymov...and pucherite. The namibite here is dark green with an anhedral to subhedral habit. Rough, flattened crystals |  | | Journal (issue) | | 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 |  | | Book | | (GERMAN) E D I T I O N writer, enlarged the book to an extent not permissible, and frightened t h e reader...comparative study from colleagues, institutes, and mines; many samples were collected by the writer himself...have been approached regarding the publication of an English edition of The Ore Minerals and Their Intergrowths...Washington G. K U L L E R U D , Washington, D.C. H. VAN DER LAAN, Delft, Holland B. F . LEONARD, Denver, Colorado...were for this reason made rather detailed. They are an essential part of the contents of the book. I have |  | | Journal (issue) | | mineral localities: The Bastnas Mines, Riddarhyttan Ore Field, Bergslagen District, Vastmanland, Sweden ......BASTDAS ffiIDES RIDDARHYTTAD ORE FIELD, BERGSLAGED DISTRICT, VASTffiADLADD, SillEDED Lennart Ohman Hi:igviltsvagen...south-central Sweden, where tens of thousands of different mines have been worked for nearly a thousand years. Iron...fields, with approximately 300 large and small mines. Iron ore mining began in the mid-14th century,...certainty from the mid-14th century, making this district one of the oldest in Sweden. Though the mine was |  | | 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)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of |  | | Book | | aid to 220 species and varieties ⢠⢠Includes an introduction to the world's key mineral-forming environments...minerals. From precious native elements such as silver, gold and copper to complex silicates such as vesuvianite...pride of any geological collection. From the green, gold and blue iridescent sheen of labradorite to the...visual aid to 220 species and varieties Includes an introduction to the world's key mineral-forming environments...southwater , This edition Is published by Southwater, an imprint of Anness Publishing Ltd, Hermes House, 88-89 | | | Journal (issue) | | 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 |  | | Report (issue) | | you will find that the Daoping and Yangshuo lead mines are accessed from opposite sides of the same mountain...Ste.-Marie-aux-Mines Show has already been cancelled for 2021. Meanwhile, though, in an early May posting...Robert Noble collection; antique âgray ugliesâ from an old classic locality; and, topping the charts, several...Morocco. Take those antique gray uglies first. From an old collection Jordi has acquired five small-cabinet-size...âgray ugliesâ), but they are hefty examples of a gold-bearing telluride from the long-gone type locality |  | | Book | | edition is published by Hermes House Hermes House is an imprint of Anness Publishing Ltd Hermes House, 88-89...stones to pieces theyâre still just stones, but to an like saâ many roadmakers run daft. experienced...(bottom), also known for obvious reasons as âfool's gold'. and there in the stone you may actually see fossils...practical dug mines to get at them underground. geological skill as they Copper and gold were first used...great unconformities (see Reading the Copper and gold were both too soft to geology book, De Re Metallica |  | | Book (edition) | | i'vi'r^iir^M MINERALOGY-, INCI '-DINO OBSERVATIONS ON MINES, ROCKS, REDUCTION OF ORES, AND THE APPLICATIONS...by DURRIE & PECK in the Clerk's Office of the District Stereotyped by J. H. New BENHAM, Haven, Ct...mining, their modes of reduction, the yield of mines in different countries, and the various applications...descriptions, there follow general remarks on mines, metallurgical processes, and other useful information...Pennsylvania. Ure's Dictionary of Arts, Manufactures, and Mines, has been a work of frequent reference, and the |  | | Journal (issue) | | The crystal, from the collection of the School of Mines, Paris, is about 1.7 cm tall. Photo by Olaf Medenbach...influence species dealers from the perspective of an ivory tower. Such influence must come from within...1983 n o t e s f r o m t h e ; EDITOR GOLD ISSUE SOLD OUT! As I write this (mid-January 1983)...barely settled on the most enthusiastic stampede for an issue weâve ever experienced. The press run for regular...issues these days is 7500 copies, but for the special Gold Issue we upped that to 10,000 copies. Nevertheless |  | | Journal (issue) | | AND CUMENGĂITE , 166 NOTABLE MINERALS IN WESTERN MINES , 168 . SPECIFIC GRAVITY , 170 THE STUDENTS ' MINERALOGICAL...MINERALOGICAL CLUB OF PHILADELPHIA , 172 GOLD THAT IS TRANSPARENT , 175 EDITORIAL NOTES , 177 PUBLISHED...PA . , Dec. 19 , 1894 . I leave here to - day for an indeffinite residence in the South , I expect to...Specimens . Corundum , Garnet , Sapphire , Lazulite , Rutile and Rutilated Minerals , Octahe PROPRIETORS & EDITORS...pasolite , * tysonite , * bastnäsite , xeno time , rutile , danalite , fayalite , fuorite , kaolinite and |  | | Book (edition) | | mining, their modes of reduction, the yield of mines in different countries, and the various applications...descriptions, there follow genera! remarks on mines, metallurgical processes, and other the the strict-...Pennsylvania. Ureâs Dictionary of Arts, Manufactures, and Mines, has been a work of frequent reference, and the...Noble Metals. 1. Platinum, Iridium, Palladium, 2. Gold, 3. Silver, Supplement Chap. VII. ⢠⢠⢠...Adit. [Lat. aditus, an entrance.] The horizontal entrance to a mine. An oxyd Alkali, and taste |  | | Journal (issue) | | 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 (issue) | | Cat's-Eyes E. Giibelin, M. Weibel, and C. R. Woensdregt An Examination of Four Important Gems C. W. Fryer and...of the most productive, if little known, emerald mines in Colombia is the Coscuez mine. The 14.52-ct emeraldillustrated...Ringsrud The Muzo emerald district, i n Boyacd, Colombia, contains several mines. Although the Muzo mine...Ringsrud is a major partner in Constellation Gems, Inc., an import firm specializing in Colombian emeralds, which...the best. Yet Colombia's Muzo district actually encompasses several mines, of which two are currently major |  | | Journal (issue) | | Speed Polishing â Young . . Page 323 Fate of Gold Jewelry Work.......................... Page 330...cent meeting of the Mineralogical Society of the District of Columbia. He exhibited motion pictures of the...Arizona at Phoenix. â CHARLES L. IIEALD, presented an il lustrated program on "National Monuments and...Cutting and the Collector Pegmatites Spruce Pine district Perth Carolina DR. WALDO H. JONES The Institute...that unless I had visited the Spruce Pine, N. C., district, I had not really seen a mica or feldspar mine |  | | 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) | | ON METEORITES , 147 NOTABLE MINERALS IN WESTERN MINES , 153 THE STUDENTS ' MINERALOGICAL CLUB OF PHILADELPHIA...have of a fall comes naturally enough from China ; an old manuscript mentioning that a stone fell 644 B...The conception of bodies visiting our earth from an out side source , must , I'fancy , have been somewhat...have something drop in from the outside - an intruder from an unknown source â is bewildering to say 148...Poisson showed that a body shot from the moon with an initial velocity , 7,592 feet a second , would actually |  | | 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...crystal from the Italian Ahrntal, as well as several gold nuggets and large native silver specimens (,,featherÂ...known of all is the famous ,,Emerald-Hand stein", an assemblage of emerald crystals from different Colombian |  | | Journal (issue) | | pletely. The advanced collector cannot .see him as an equal and a colleague; the dealer knows he has little...However, giving an oc casional discount to the beginner, especially if it is on an inex pensive specimen...to the young collectors. They should look at it as an investment in the future. If the young collector...beginners begin. Here it is es pecially valuable to have an experienced friend...one who knows the local mineral...practiced it is essential for the beginner to have an experienced companion. Mineral shows provide another |  | | Journal (issue) | | a trace of chromium is not considered to be an emerald. An example is the green gem beryl of Vinnietharra...Glaffy4 doubts whether the addition of vanadium has an influence on the colour of chromiumtinted hiddenite...usual aquamarine-coloured spinel owes its colour to an addition of chromium a n d cobalt oxides. A second...Emeraldgreen and ruby-red are the outstanding colour tints. An exception seems to be the chromium-containing disthene...individual building blocksâ being point chargesâcomprise an " electric field," which as a first assumption is |
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