 | | Journal (issue) | | contract. Curation by paleontologists This is clearly an unfortunate development. They might as well assign...Parodi10 and Ste an ei 11 Bou Azzer has produced the world’s finest specimens of erythrite, roselite, roselite-beta...mineral species have been identified from the district, of which six were new to science: irhtemite,...than s the in permis sion o lisher hristian eise an the a thors It appeare ori inally as a ro p o separate...as Bartoli an Favrea Favrea an Dietrich a Favrea an Dietrich Ait a o ch et al. an Meisser an Br er The |  | | Journal (article/letter/editorial) | | University Auburn, Alabama 36849 cookrob@auburn.edu Erythrite Downloaded by [Gazi University] at 19:42 01 January...the “parents” of the highly collectible species erythrite. Specimens of this mineral are available in modest...nominated as this issue’s Connoisseur’s Choice. Erythrite is best known for its crimson to peach-red color...{100} and {102}. Its measured density is 3.06. Erythrite is monoclinic (2/m) and is a member of the vivianite...drusy crusts, or in powdery masses. Ideally, erythrite is hydrated cobalt arsenate with the formula Co3(AsO4)2•8H2O |  | | Book (edition) | | 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...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |  | | Report (edition) | | microscope by D.M. Lapham of a thin slice of serpentinite from Lancaster County showing olivine (blue-green...the hobby of mineral collecting has been growing at an accelerated pace. To keep up with the demand for...County, the Stillwell quarry in Lancaster County, and the Medusa Cement Company quarry in York County, are...Zircon Crystal 50 Diagramatic Sketch of Brinton Quarry Pegmatite 53 Geologic Cross-Section of West ...84 of Deweylite after Dolomite, Ceclar Hill Quarry 89 _ Limonite Pseudomorphs from Chestnut Hill |  | | | | THE WORLD OF NATURE | In full colour-an introduction to the composition, beauty and structure of our...collections in the world, and this book provides an opportunity to study at leisure some of the best...114 epistilbite 124 epsomite 60 erubescite 10 erythrite 70, 73 euchroite 70, 73 eudialite 90 euxenite...block of pyrite and analyze them, they should have an identical chemical composition, and the same should...physics that true ‘solid’ bodies are those that possess an internal structure of atoms linked together in a |  | | Book | | reference shelf and for work in the field this will prove an indispensable book. 306 colour photographs, 26 black...such figures should only be considered as indicating an order of magnitude. ISBN 0 7188 2011 8 Illustrations...Min¬ erals are not dealt with in isolation but as an integral part of the rocks in which they are formed...or more metals. Since the economic importance of an ore, and therefore its working, depends on conditions...on the surface. Others crystallize directly out of an aqueous solution or with the assistance of organisms |  | | Report (edition) | | “old” Lime Bluff quarry, Muncy; right fibrous : tremolite, C. K. Williams quarry, Easton: bottom: calcite...oriented coatings of goethite, “old” Lime Bluff quarry, Muncy, (courtesy of Delbert L. Oswald) ADDITIONAL... DEDICATION feHB DAVIS M. LAPHAM (1931-1974) An outstanding mineralogist and a wonderful friend...in 1959 and of succeeding revisions and maintained an active file of new localities, minerals, and corrections...edition of Mineral Collecting Cedar Hill in quarry where Dave had done IV much of his work PREFACE |  | | Report (edition) | | Crystal . . . . . . .. Diagra1natic Sketch of Brinton Quarry Pegmatite Graphic Granite Geologic Cross-Section...Pseudomorphs of Deweylite after Aragonite. Cedar Hill Quarry . . . . . . . Calcite Crystal Forms "Picrolite"...years, mineral collec'ting has become a hobby for an increasingly large number of people. The Pennsylvania...good collecting localities. We are not attempting an exhaustive treat1nent of Pennsylvania's mineral occurrences...permission from the owners of the land, or from the quarry and mine operators, before entering to collect |  | | Book | | THE WORLD OF NATI In full color — an introduction to the reernn reste) beauty and structure of our...collections in the world, and this book provides an opportunity to study at leisure some of the best...124 arsenic 4 chalcedony 31 chalcocite 8, 8 erythrite 70, 73 argentojarosite 58 arsenates 65 arsenides...witnesses of the history analyze them, they should have an identical chemical If shapes resulting from this...physics that true ‘solid’ bodies are those that possess an internal structure of atoms linked together in a |  | | Book | | ROCKS AND MINERALS Michael O’Donoghue GALLERY BOOKS An Imprint of W. H. Smith Publishers Inc. 112 Madison...published in the United States 1990 by Gallery Books, an' imprint of W. H. Smith Publishers, Inc., 112 Madison...the field is the natural glass obsidian. This forms an amorphous material since cooling is too quick for...heat and pressure are accompanied by gases preceding an intrusion the existing sedimentary rock may alter... Dio rite Gabbro Peridotite 13 Dunite Serpentinite Rhyolite -14 Obsidian Z K ■ £ ?*«* |  | | Book | | Left: Magnificent hexagonal crystals of chalyblte, an Iron carbonate. The triangular 'growth shadows' that...are visible represent the form of the crystals at an earlier stage in their development The following...along certain directions, is mentioned here. It is an important way of identifying minerals, and it is... which runs from i (talc) to io (diamond). It is an important guide to the identity of a mineral, and...the stone; and the mineral’s sensitivity to heat—an important con¬ sideration, since stones are heated |  | Brugger, J., Meisser, N., Krivovichev, S., Armbruster, T., Favreau, G. (2007) Mineralogy and crystal structure of bouazzerite from Bou Azzer, Anti-Atlas, Morocco: Bi-As-Fe nanoclusters containing Fe3+ in trigonal prismatic coordination. American Mineralogist, 92 (10) 1630-1639 doi:10.2138/am.2007.2508 | Journal (article/letter/editorial) | | associated with quartz, chalcopyrite, native gold, erythrite, talmessite/roselite-beta, Cr-bearing yukonite...vein. The Bou Azzer mine and the similarly named district have produced many outstanding mineral specimens...specimens, including the world’s best erythrite and roselite. Bouazzerite forms monoclinic prismatic {021}...surprising addition to the well-known Fe-O-H system, and an interesting perovskite-like structure with A-site...STRUCTURE OF BOUAZZERITE row transition metal in an inorganic compound, and the first reported occurrence |  | | Journal (issue) | | Kansas Affiliated with the Friends of Mineralogy, an independent non-profit organization Graphic Production...May–June, 2017 Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany...working in the lode” (Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany...geographically tiny St. Andreasberg District of silver mines has an outsized reputation: it is among the...Schnorrer (1941–2015), who were coauthors (with GG) of an earlier article on St. Andreasberg published in Lapis | | | Book | | collections in the world, and this book provides an opportunity to study at leisure some of the best...block of pyrite and analyze them, they should have an identical chemical composition, and the same should...physics that true 'solid' bodies are those that possess an internal structure of aton1s linked together in a...under- 1 gone by the Earth's crust, in which it has an essential and illu1ninating part. The artificial...artificial p roduct cannot have any such significance. An interesting point is that the minerals present in meteorites |  | | Journal (article/letter/editorial) | | arsenide ore deposits at Bou Azzer, Morocco, represent an uncommon type of Co mineralization. Several Co-Ni-As-Au-Ag...minerals in almost all samples studied. Bornite, an unidentified Cu-Zn sulfide, chalcocite, chalcopyrite...minerals have been identified from the Bou Azzer district, of which cobalt and nickel minerals are the most...Co is widely dispersed in the Earth’s crust, with an average abundance of 25 ppm; it is most abundant...(Kolkovski et al., 2003). The Bou Azzer mining district in southern Morocco of the central Anti-Atlas |  | | Book | | detailed glossary explains technical terms: This book is an ideal. guide toa fascinating subject. ENCYCLOPEDIA... ENCYCLOPEDIA OF R O C K S MINERALS, AND GEMSTONES [ yen a aN iar Selenei erry, 4 B KILKENNY COUNTY LIBRARY...gemstones bold in the text, this means that there is an entry on The entries in this book are described...is diamond, which is so morphic, and sedimentary. An igneous rock is strongly bonded that the only naturally...and height but are all at bottom removed. It is an “open” shape that needs to combine with some other |  | Dumańska-Słowik, Magdalena, Pieczka, Adam, Natkaniec-Nowak, Lucyna, Kunecki, Piotr, Gaweł, Adam, Heflik, Wiesław, Smoliński, Wojciech, Kozub-Budzyń, Gabriela (2018) Mg-enriched erythrite from Bou Azzer, Anti-Atlas Mountains, Morocco: geochemical and spectroscopic characteristics. Mineralogy and Petrology, 112 (3) 381-392 doi:10.1007/s00710-017-0545-8 | Journal (article/letter/editorial) | | 1007/s00710-017-0545-8 ORIGINAL PAPER Mg-enriched erythrite from Bou Azzer, Anti-Atlas Mountains, Morocco:...article is an open access publication Abstract Supergene Mg-enriched erythrite, with an average composition...unit cell parameters of monoclinic Mg-enriched erythrite [space group C2/m, a = 10.252(2) Å, b = 13.427(3)...105.12(1)°] make the mineral comparable with erythrite from other localities. The composition of the...between erythrite, hörnesite and annabergite, that is, the nearest to the endmember erythrite. However |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...combination of space for growth, sufficient time and an adequate supply of chemical nutrients. Well-formed...In the larger open spaces, the crystals can reach an impressive size. Among the many minerals found within...carbonate. Geologists can figure out how quickly an igneous rock formed by the calcium carbonate can...of its crystals. If the magma has escaped from in an ocean evaporates, the chemicals in the remaining |  | | Journal (article/letter/editorial) | | mineralization at Flatschach (Eastern Alps), Austria Johann G. Raith 1 & Thomas Leitner 3 & Werner H...mineralization in the historic Flatschach mining district (Styria, Austria) occurs in a NE–SW to NNE–WSW oriented...Leoben, Leoben, Austria 2 Pezoltgasse 46, A-5020 Salzburg, Austria 3 Salinen Austria AG, Bad Aussee...Aussee, Austria chalcopyrite with pyrite or arsenopyrite. Sericite-carbonate alteration is developed around...composition of gold. Unique about the Flatschach district is the lower-temperature overprint of copper arsenides |  | | Catalog/List | | richly scattered over Serpentinite. 2txlt". £6. 3. APATITE. Colcerrow Quarry, Luxulyan, Cornwall. Very...show excellent Apatite crYstals, and are taken from an old collection. Prices from £1.50 - £2.50 dependent...granite matrix. 3Xlt". £2. lig~t AUTUNITE. Merrivale Quarry, D8rtmoor, Devon. micro crystals richly encrusting...sparable" habit richly encrusting cellular matrix. An old label is attached to the specimen. 2xlt". £4-...surface, with minor Tourmaline Quartz. Portion of an old label attached to the specimen. 3tx2-p. £1. |  | | Catalog/List | | Cos C \,r 51 ■■ CHAYESITE Pauliberg, Burgerland Austria ,/ Dark blue single 2mm crystals on rock,a) one...rich brown massive lxl £1 lx2 £2 2x2 £5 770 ■■ ERYTHRITE Bou Azzer Morocco Quite rich pink cleavages on...Zcolite Ix! £4 lx2 £8 2x2£16 26) ■ MAGADIITE Aris Quarry, near Windhoek,Namibia / White micro snow-flakes...SiO 220 ■ MENDIPITE ✓~ CaAISiOC0/3 Merehend Quarry, Mendips Somerset Very rich white to pinkish faintly...fluorescence lxl£3 lx2£5 FLUORESCEN'. ■ SCHEELITE Penlee Quarry, Newlyn,Cornwall creamy spots in chlorite. Fluorescent |  | | Journal (article/letter/editorial) | | slabs to arc magmas in subduction zones. The serpentinite samples represent hydrated peridotites at the...subduction of the Indian continental margin. The bulk serpentinite samples contain total As concentrations ranging...Guillot, 2003). Arsenic has an oxidation state that ranges from ⫺3 to ⫹5. It is an important minor and trace...contents of various minerals in our serpentinite samples using an electron microprobe under conditions...the Tso Morari eclogitic unit (Fig. 1). All serpentinite samples have similar bulk chemical compositions |  | | Journal (article/letter/editorial) | | June 15, 2015 Glossary o f Scottish mineral species—an update A. L I V I N G S T O N E Department of Geology...microprobe, or scanning electron microscope with an energy dispersive system; and in clay mineralogy...classificatory scheme of Ferraiolo (1982) Table 1 represents an anionic breakdown of species described during 1981...silver within, and on, prehnite from Boyleston quarry, Barrhead and Hartfield Moss, Downloaded from...amphiboles. O n e grain, analysed by E P M A , is an a l u m i n o katophorite as defined by Leake 1978 |  | | Catalog/List | | belonging to a personal friend who, like myself, is an advanced collector continuously upgrading his collection...reservations accepted. All specimens will be sent on an approbation basis with guaranteed refunds on returned...little interdeveloped gemmy Calcite, richly encrusting an open, geode-like matrix. 2.25x1.5x1.25", £12.00....£85 ADAMITE. Mina Ojuela, Mapimi, Durango, Mexico. An attractive and inexpensive example of A/3. this colourful...orthorhombic xtls, forming a rich sparkling cover an thin gossan matrix. 2.5x2x5/8", £8.75 A/4. ADAMITE |  | | Report (issue) | | 37 39 39 Cobalt district Cobalt district silver mines Road log to the Cobalt district mines Townsite mine...Guigues limestone quarry Guigues sandstone quarry Wright mine Ville-Marie granite quarry Terra Nova mine...sensational discoveries of native gold in the Porcupine district in 1909. Thus, within a few years, the area was...la découverte sensationnelle d’or natif dans le district de Porcupine en 1909. Ainsi, en quelques années...each locality is listed as follows: name of mine, quarry, or occurrence; minerals or rocks (in capital letters); |
|
Serpentinite quarry, Griesserhof, Hirt, Micheldorf, Sankt Veit an der Glan District, Carinthia, Austria