Boleite Kpb26ag9cu24cl62(OH)48 C 2001-2005 Mineral Data Publishing, Version 1
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Paralaurionite Pbcl(OH) C 2001-2005 Mineral Data Publishing, Version 1
Paralaurionite PbCl(OH) c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group: 2/m. Crystals are thin to thick tabular k{100}, or elongated along [001], to 3 cm; {100} is usually dominant, but may show many other forms. Twinning: Almost all crystals are twinned by contact on {100}. Physical Properties: Cleavage: {001}, perfect. Tenacity: Flexible, due to twin gliding, but not elastic. Hardness = Soft. D(meas.) = 6.05–6.15 D(calc.) = 6.28 Optical Properties: Transparent to translucent. Color: Colorless, white, pale greenish, yellowish, yellow-orange, rarely violet; colorless in transmitted light. Luster: Subadamantine. Optical Class: Biaxial (–). Pleochroism: Noted in violet material. Orientation: Y = b; Z ∧ c =25◦. Dispersion: r< v,strong. Absorption: Y > X = Z. α = 2.05(1) β = 2.15(1) γ = 2.20(1) 2V(meas.) = Medium to large. Cell Data: Space Group: C2/m. a = 10.865(4) b = 4.006(2) c = 7.233(3) β = 117.24(4)◦ Z=4 X-ray Powder Pattern: Laurium, Greece. 5.14 (10), 3.21 (10), 2.51 (9), 2.98 (7), 3.49 (6), 2.44 (6), 2.01 (6) Chemistry: (1) (2) (3) Pb 78.1 77.75 79.80 O [3.6] 6.00 3.08 Cl 14.9 12.84 13.65 H2O 3.4 3.51 3.47 insol. 0.09 Total [100.0] 100.19 100.00 (1) Laurium, Greece. (2) Tiger, Arizona, USA. (3) PbCl(OH). Polymorphism & Series: Dimorphous with laurionite. Occurrence: A secondary mineral formed through alteration of lead-bearing slag by sea water or in hydrothermal polymetallic mineral deposits. -
Standard X-Ray Diffraction Powder Patterns
NBS MONOGRAPH 25 — SECTION 1 Standard X-ray Diffraction U.S. DEPARTMENT OF COMMERCE NATIONAL BUREAU OF STANDARDS THE NATIONAL BUREAU OF STANDARDS Functions and Activities The functions of the National Bureau of Standards are set forth in the Act of Congress, March 3, 1901, as amended by Congress in Public Law 619, 1950. These include the development and maintenance of the national standards of measurement and the provision of means and methods for making measurements consistent with these standards; the determination of physical constants and properties of materials; the development of methods and instruments for testing materials, devices, and structures; advisory services to government agencies on scien- tific and technical problems; invention and development of devices to serve special needs of the Government; and the development of standard practices, codes, and specifications. The work includes basic and applied research, development, engineering, instrumentation, testing, evaluation, calibration services, and various consultation and information services. Research projects are also performed for other government agencies when the work relates to and supplements the basic program of the Bureau or when the Bureau's unique competence is required. The scope of activities is suggested by the listing of divisions and sections on the inside of the back cover. Publications The results of the Bureau's research are published either in the Bureau's own series of publications or in the journals of professional and scientific societies. The Bureau itself publishes three periodicals available from the Government Printing Office: The Journal of Research, published in four separate sections, presents complete scientific and technical papers; the Technical News Bulletin presents summary and preliminary reports on work in progress; and Basic Radio Propagation Predictions provides data for determining the best frequencies to use for radio communications throughout the world. -
Washington State Minerals Checklist
Division of Geology and Earth Resources MS 47007; Olympia, WA 98504-7007 Washington State 360-902-1450; 360-902-1785 fax E-mail: [email protected] Website: http://www.dnr.wa.gov/geology Minerals Checklist Note: Mineral names in parentheses are the preferred species names. Compiled by Raymond Lasmanis o Acanthite o Arsenopalladinite o Bustamite o Clinohumite o Enstatite o Harmotome o Actinolite o Arsenopyrite o Bytownite o Clinoptilolite o Epidesmine (Stilbite) o Hastingsite o Adularia o Arsenosulvanite (Plagioclase) o Clinozoisite o Epidote o Hausmannite (Orthoclase) o Arsenpolybasite o Cairngorm (Quartz) o Cobaltite o Epistilbite o Hedenbergite o Aegirine o Astrophyllite o Calamine o Cochromite o Epsomite o Hedleyite o Aenigmatite o Atacamite (Hemimorphite) o Coffinite o Erionite o Hematite o Aeschynite o Atokite o Calaverite o Columbite o Erythrite o Hemimorphite o Agardite-Y o Augite o Calciohilairite (Ferrocolumbite) o Euchroite o Hercynite o Agate (Quartz) o Aurostibite o Calcite, see also o Conichalcite o Euxenite o Hessite o Aguilarite o Austinite Manganocalcite o Connellite o Euxenite-Y o Heulandite o Aktashite o Onyx o Copiapite o o Autunite o Fairchildite Hexahydrite o Alabandite o Caledonite o Copper o o Awaruite o Famatinite Hibschite o Albite o Cancrinite o Copper-zinc o o Axinite group o Fayalite Hillebrandite o Algodonite o Carnelian (Quartz) o Coquandite o o Azurite o Feldspar group Hisingerite o Allanite o Cassiterite o Cordierite o o Barite o Ferberite Hongshiite o Allanite-Ce o Catapleiite o Corrensite o o Bastnäsite -
Final Report FAD-2010-0046 TBCC
EUROPEAN COMMISSION JOINT RESEARCH CENTRE Institute for Reference Materials and Measurements European Union Reference Laboratory for Feed Additives JRC.DG.D.6/CvH/PRO/ag/ARES(2011)473276 EURL Evaluation Report on the Analytical Methods submitted in connection with the Application for the Authorisation of Feed Additives according to Regulation (EC) No 1831/2003 Dossier related to: FAD-2010-0046 CRL/100051 Product Name: Tribasic copper chloride (TBCC) Active Substance(s): Di copper chloride tri hydroxide; crystal form atacamite/paratacamite Rapporteur Laboratory: European Union Reference Laboratory for Feed Additives (EURL-FA) Geel, Belgium Report prepared by: Piotr Robouch (EURL-FA) Report revised by: Gerhard Buttinger (EURL-FA) Date: 02/05/2011 Report approved by: Christoph von Holst Date: 02/05/2011 EURL Evaluation Report on “Di copper chloride tri hydroxide” EXECUTIVE SUMMARY In the current application authorisation is sought under articles 4(1) for Di copper chloride tri hydroxide under the category "nutritional additives", functional group 3(b) "compounds of trace elements", according to the classification system of Annex I of Regulation (EC) No 1831/2003. Authorisation is sought for the use of the feed additive for all animal species and categories. Di copper chloride tri hydroxide (Cu2Cl(OH)3, also called tribasic copper chloride – TBCC) is a pure form of crystalline copper (II) chloride hydroxide containing a minimum of 95 % of a defined ratio of the polymorphs atacamite and paratacamite - equivalent to a minimum content of total copper of 58 %. The feed additive is intended to be incorporated into premixtures and feedingstuffs. The Applicant suggested the following maximum levels of total copper in the feedingstuffs ranging from 10 to 170 mg/kg depending on the species of interest. -
Mineral Processing
Mineral Processing Foundations of theory and practice of minerallurgy 1st English edition JAN DRZYMALA, C. Eng., Ph.D., D.Sc. Member of the Polish Mineral Processing Society Wroclaw University of Technology 2007 Translation: J. Drzymala, A. Swatek Reviewer: A. Luszczkiewicz Published as supplied by the author ©Copyright by Jan Drzymala, Wroclaw 2007 Computer typesetting: Danuta Szyszka Cover design: Danuta Szyszka Cover photo: Sebastian Bożek Oficyna Wydawnicza Politechniki Wrocławskiej Wybrzeze Wyspianskiego 27 50-370 Wroclaw Any part of this publication can be used in any form by any means provided that the usage is acknowledged by the citation: Drzymala, J., Mineral Processing, Foundations of theory and practice of minerallurgy, Oficyna Wydawnicza PWr., 2007, www.ig.pwr.wroc.pl/minproc ISBN 978-83-7493-362-9 Contents Introduction ....................................................................................................................9 Part I Introduction to mineral processing .....................................................................13 1. From the Big Bang to mineral processing................................................................14 1.1. The formation of matter ...................................................................................14 1.2. Elementary particles.........................................................................................16 1.3. Molecules .........................................................................................................18 1.4. Solids................................................................................................................19 -
Its Crystal Structure and Relationship to A-Pbf2
American Mineralogist, Volume 81, pages 1277-1281, 1996 Laurelite: Its crystal structure and relationship to a-PbF2 STEFANO MERLINO,! MARCO PASERO,! NATALE PERCHIAZZI,! AND ANrHONY R. KAMPF2 lDipartimento di Scienze della Terra, UniversitA di Pisa, via S. Maria 53, 1-56126 Pisa, Italy 2Mineralogy Section, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, U.S.A. ABSTRACT Laurelite, Pb7F12CI2, from the Grand Reefmine, Graham County, Arizona, is hexagonal, Po, with a = 10.267(1) and c = 3.9844(4) A and Z = 1. The crystal structure was solved by direct methods and refined to R = 0.035 and RW2= 0.089 for 693 measured reflections (Fo > 9O'Fo)' The structure is related to that of a-PbF2. Both are based upon ninefold-coordinated Pb as tricapped trigonal prisms (TCTPs), which share edges and faces. The two structures can be described with respect to the face-sharing linkages of their TCTPs. The structure of a-PbF2 consists of corrugated sheets of face-sharing TCTPs that interlock by edge-sharing perpendicular to the c axis. In laurelite, the Pb2 TCTPs form three-membered face-sharing clusters about the threefold axis that are propagated into trigonal cylinders by sharing faces in the direction of the c axis. The Pb 1 and Pb3 TCTPs are linked by face-sharing into a three-dimensional framework with corresponding cylindrical voids. Asymmetric coordi- nations about Pbl and Pb2 are attributed to the stereoactive lone-pair effect. Although the coordinations about the anions appear to disallow substitution of OH for F, stacking defects along the c axis provide a mechanism for accommodating limited OH or H20 for F substitution. -
X-Ray Study and Synthesis of Some Copper-Lead Oxychlorides
This dissertation has been 64—7070 microfilmed exactly as received WINCHELL, Jr., Robert Eugene, 1931- X-RAY STUDY AND SYNTHESIS OF SOME COPPER-LEAD OXYCHLORIDES. The Ohio State University, Ph.D., 1963 M ineralogy University Microfilms, Inc., Ann Arbor, Michigan X-RAY STUDY AND SYNTHESIS OF SOME COPPER-LEAD OXYCHLORIDES DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosopher in the Graduate School of the Ohio State University Robert Eugene W inchell, J r ., B. S ., M. S. The Ohio State University 1963 Approved ty Id viser Department of Mineralogy ACKNOWLEDGMENTS The author wishes to acknowledge the assistance, cooperation and encouragement of a great number of people without whom this thesis could not have been completed. The specimens used in the study of these rare oxychlorides were obtained from a number of sources. Dr. C. S. Hurlbut, Jr. supplied samples of a l l the sp ecies from the c o lle c tio n s o f Harvard U n iversity. Dr. Paul E. Desautels provided additional samples of all the minerals except pseudoboleite from the collections of the United States National Museum. Dr. Raymond Hocart, of the University of Paris, supplied several overgrowths of cumengeite on boleite, which had been given to him by G. Friedel, Dr. S. Grolier, of the St. Etienne School of Mines, St. Etienne, France, provided material that had been available to G. Friedel during his study (Friedel, 1906) of boleite, pseudoboleite, and cumengeite. Dr. S. Caillere provided specimens of boleite, cumengeite and pseudoboleite from the collections of the Paris Museum of Natural History. -
Alamosite Pbsio3 C 2001 Mineral Data Publishing, Version 1.2 ° Crystal Data: Monoclinic
Alamosite PbSiO3 c 2001 Mineral Data Publishing, version 1.2 ° Crystal Data: Monoclinic. Point Group: 2=m: Crystals ¯brous [010]; as radiating aggregates and balls, to 7.5 cm. k Physical Properties: Cleavage: Perfect on 010 . Hardness = 4.5 D(meas.) = 6.488(3) D(calc.) = [6.30] f g Optical Properties: Transparent to translucent. Color: Colorless to white, cream, or light gray. Luster: Adamantine. Optical Class: Biaxial ({). Orientation: Y = b. Dispersion: r < v; strong, weak inclined. ® = 1.945{1.947 ¯ = 1.955{1.961 ° = 1.959{1.968 2V(meas.) = 65± Cell Data: Space Group: P 2=n: a = 12.247 b = 7.059 c = 11.236 ¯ = 113:12± Z = 12 X-ray Powder Pattern: Tsumeb, Namibia. 3.34 (100), 3.56 (95), 3.53 (75), 2.300 (75), 3.23 (70), 2.987 (70), 3.25 (60) Chemistry: (1) (2) (3) SiO2 21.11 20.01 21.21 Al2O3 0.09 FeO 0.09 0.18 MnO 0.02 PbO 78.13 78.95 78.79 CaO trace 0.09 insol: 0.61 Total 99.94 99.34 100.00 (1) Alamos, Mexico. (2) Tsumeb, Namibia; by electron microprobe. (3) PbSiO3: Occurrence: As a rare secondary mineral in the oxidized zone of lead-bearing base metal deposits. Association: Wulfenite, leadhillite, cerussite (Alamos, Mexico); leadhillite, anglesite, melanotekite, °eischerite, kegelite, hematite (Tsumeb, Namibia); diaboleite, phosgenite, cerussite, wulfenite, willemite (Tiger, Arizona, USA); melanotekite, shattuckite, wickenburgite (Rawhide mine, Arizona, USA). Distribution: From Mexico, in Sonora, at Alamos, and the San Pascual mine, near Zimap¶an, Hidalgo. In the USA, from Arizona, in the Mammoth-St. -
Structures of the Pseudo-Trigonal Polymorphs of Cu2(OH)3Cl
research papers Acta Crystallographica Section B Structural Structures of the pseudo-trigonal polymorphs of Science Cu2(OH)3Cl ISSN 0108-7681 Received 2 February 2009 Thomas Malcherek* and Jochen The crystal structure of Cu2(OH)3Cl has been determined Schlu¨ter using two natural samples with almost ideal stoichiometry. Accepted 14 April 2009 While one of the samples exhibits a twinned clinoatacamite structure, the other sample is characterized by the appearance Mineralogisch-Petrographisches Institut, Univer- of additional weak diffraction maxima at half integer positions sita¨t Hamburg, Grindelallee 48, D-20146 Hamburg, Germany of h and k. Structure refinement was carried out with the space group P11. The relationship between the triclinic phase, clinoatacamite, paratacamite and the herbertsmithite struc- Correspondence e-mail: ture is discussed in terms of symmetry as a function of Cu [email protected] concentration. 1. Introduction Pure Cu2(OH)3Cl so far has been known to occur in the form of the three polymorphs atacamite, botallackite and clino- atacamite. While atacamite is orthorhombic the other two polymorphs are monoclinic. Another, rhombohedral structure type of Cu2(OH)3Cl (paratacamite) has been described by Fleet (1975), but it is now believed that the rhombohedral substructure of paratacamite has to be stabilized by partial substitution of Zn or Ni for Cu (Jambor et al., 1996) at ambient temperature. The Zn end member of such a solid solution, Cu3Zn(OH)6Cl2, has been described as the mineral herbertsmithite (Braithwaite et al., 2004). Recently Clissold et al. (2007) reported the crystal structure of gillardite, the Ni analogue of herbertsmithite. -
The Crystal Structure of Boleit+A Mineral Containing Silver Atom Clusters
JOURNAL OF SOLID STATE CHEMISTRY 6,86-92 (1973) The Crystal Structure of Boleit+A Mineral Containing Silver Atom Clusters ROLAND C. ROUSE Department of Geology and Mineralogy,* The University of Michigan, Ann Arbor, Michigan 48104 Received March IO,1972 The mineral boleite, Pb26Ag,Cu~,CI,1(OH)1s, is cubic, space group Pm3m, with u = 15.29 A. Lead and silver atoms form a distorted body-centered array leading to octahedral groupings of these atoms. The silver atoms and their coordinating chlorines form Ag&18C16 groups similar to those in the metal cluster compounds MoCI, and WCL. Lead and conoer atoms are in distorted square antiprismatic and tetragonal bipyramidal coordination, r&ectively. - - Introduction gradually from blue to green, while the bire- Boleite is a lead copper oxychloride mineral fringent rim and the quasi-isotropic core merged which occurs as deep blue crystals of cubic form. into an apparently homogeneous, isotropic These cubes are zoned and consist of an optically phase. Upon cooling, the blue color returned but isotropic or quasi-isotropic core and a bire- the isotropy persisted. From these and other fringent outer rim of complex structure. The cube observations Winchell proposed that boleite faces are sometimes occupied by epitaxial undergoes an inversion from a pseudocubic form overgrowths of the related speciespseudoboleite to a cubic one with increasing temperature. and cumengite. Boleite has been studied in detail by Mallard and Cumenge (I), Friedel (2), and Symmetry and Composition Hocart (3). They all considered the birefringent To determine the true symmetry of boleite, material to be tetragonal and untwinned and the isotropic cleavage fragments were examined by isotropic core to be pseudocubic due to twinning. -
Volborthite Cu3v2o7(OH)2 • 2H2O C 2001-2005 Mineral Data Publishing, Version 1
Volborthite Cu3V2O7(OH)2 • 2H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic, pseudohexagonal. Point Group: 2/m. Typically as rosettelike aggregates of scaly crystals, which may have a hexagonal or triangular outline, to 5 mm. Physical Properties: Cleavage: One, perfect. Hardness = 3.5 D(meas.) = 3.5–3.8 D(calc.) = 3.52 Optical Properties: Semitransparent. Color: Dark olive-green, green, yellowish green; green to yellowish green in transmitted light. Luster: Vitreous, oily, resinous, waxy, pearly on the cleavage. Optical Class: Biaxial (–) or biaxial (+). Pleochroism: Faint. Dispersion: r<v,r>v, inclined. α = 1.820–2.01 β = 1.835–2.05 γ = 1.92–2.07 2V(meas.) = 63◦–83◦ Cell Data: Space Group: C2/m. a = 10.610(2) b = 5.866(1) c = 7.208(1) β =95.04(2)◦ Z=2 X-ray Powder Pattern: Monument No. 1 mine, Arizona, USA. 7.16 (10), 2.643 (7), 2.571 (7), 2.389 (7), 4.103 (5), 3.090 (5), 2.998 (5) Chemistry: (1) (2) (1) (2) V2O5 36.65 38.32 CuO 48.79 50.29 SiO2 1.37 H2O [11.49] 11.39 V2O3 1.70 Total [100.00] 100.00 (1) Scrava mine, Italy; by electron microprobe; V2O3 assumed for charge balance, H2Oby 5+ 3+ • • difference; corresponds to Cu2.89V1.90V0.11Si0.11O7(OH)2 2H2O. (2) Cu3V2O7(OH)2 2H2O. Occurrence: An uncommon secondary mineral in the oxidized zone of vanadium-bearing hydrothermal mineral deposits. Association: Brochantite, malachite, atacamite, tangeite, chrysocolla, barite, gypsum. Distribution: In Russia, originally from an unknown locality; later identified at the Sofronovskii copper mine, near Perm, and at Syssersk and Nizhni Tagil, Ural Mountains. -
Infrare D Transmission Spectra of Carbonate Minerals
Infrare d Transmission Spectra of Carbonate Mineral s THE NATURAL HISTORY MUSEUM Infrare d Transmission Spectra of Carbonate Mineral s G. C. Jones Department of Mineralogy The Natural History Museum London, UK and B. Jackson Department of Geology Royal Museum of Scotland Edinburgh, UK A collaborative project of The Natural History Museum and National Museums of Scotland E3 SPRINGER-SCIENCE+BUSINESS MEDIA, B.V. Firs t editio n 1 993 © 1993 Springer Science+Business Media Dordrecht Originally published by Chapman & Hall in 1993 Softcover reprint of the hardcover 1st edition 1993 Typese t at the Natura l Histor y Museu m ISBN 978-94-010-4940-5 ISBN 978-94-011-2120-0 (eBook) DOI 10.1007/978-94-011-2120-0 Apar t fro m any fair dealin g for the purpose s of researc h or privat e study , or criticis m or review , as permitte d unde r the UK Copyrigh t Design s and Patent s Act , 1988, thi s publicatio n may not be reproduced , stored , or transmitted , in any for m or by any means , withou t the prio r permissio n in writin g of the publishers , or in the case of reprographi c reproductio n onl y in accordanc e wit h the term s of the licence s issue d by the Copyrigh t Licensin g Agenc y in the UK, or in accordanc e wit h the term s of licence s issue d by the appropriat e Reproductio n Right s Organizatio n outsid e the UK. Enquirie s concernin g reproductio n outsid e the term s state d here shoul d be sent to the publisher s at the Londo n addres s printe d on thi s page.