 | | Book (edition) | | to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System...) 6-21 %. VHN(synth.) (10.C. purine-porphyrine group). a nickel porphyrine. With quartz. rutile, piemontite |  | | Book (edition) | | Rosenzwcig (deceased) (USA). Jochen Schlilter (Germany), J. Sejkora (Czcch Republic), Masaaki Shimizu...Minerals that are listed as belonging to the same group are similarly closely comparable in composition...Mountains,Russia,DANS 142, 181-184(sir.) Aescl1yni1e group 0 Aeschynite-(Nd),(Nd,Ce,Ca,Th)(Ti,Nb)i(O.OH)...Urstad,HitteroIsland,Norway, 61. 178 Aeschy11i1e group D Afghanite,[(Na,K)22Ca10][Si24Al14O9<,](SO.)...2105, EJM9, 21-30 (sir.) Ca11cri11ile-Sodali1e group D Afwillite,Ca,(SiO3OH)1·2H1O, mon.. compareBultfonteinite |  | | Book (edition) | | given to the " normal group" under the successive systems, that is, to the group which is most common...nearly so of opal. among minerals. A piece of feldspar which has been fused and cooled suddenly may be...is determined by the way in which the molecules group themselves together in a position of equilibrium...about each one of them (or at least about each unit group of them), and further the same in all parallel lines...normal to the faces of the tetrahedron. 160 This group is illustrated by artificial crystals of barium |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Fritz, Fritz: Bergakademie Freiberg, Freiberg, Saxony, Germany. Donald B. Hoover: U.S.G.S., Federal Center...Institut fur Mineralogie, Ruhr Universitat Bochum, Germany. Duane Mellor: Geology Library, Yale University...Berlin, Germany. Peter Susse: MINABS, Inst. of Mineralogy, Univ. of Gottingen, Gottingen, Germany. C. Sheldon...Pennsylvania. Hans J. Wilke: Eppertshausen/Hessen, Germany. Wendell E. Wilson: The Mineralogical Record, Tuscon...Species containing more than one anion or anion group may be assigned to a separate class or may be assigned |  | | Book (edition) | | PART I!. xi Page 220 DESCRIPTION OF MINERALS GROUP lA. LITHIUM, SODIUM, POTASSIUM Lithium Minerals...Minerals Silver Minerals Gold Minerals 241 255 262 GROUP 2A. CALCIUM, STRONTIUM, BARIUM, RADIUM Calcium...Minerals Mercury Minerals 292 294 298 306 307 GROUP 3B. BORON, ALUMINIUM Boron Minerals Aluminium Minerals...Minerals Cerium and Thorium Minerals 327 331 333 GROUP 4B. CARBON, SILICON, TIN, LEAD Carbon Minerals...Phyllosilicates F. Tectosilicates Tin Minerals Lead Minerals GROUP 5A. VANADIUM, TANTALUM Vanadium Minerals Tantalum |  | | Book (edition) | | belongs to a broader group of related minerals, the name adopted for the group is given beneath the formula...editions of this book. Brieny. within each anionic group the minerals arc arranged in order determined by...those of the alkaline earths, etc. Within each group the minerals are tabulated with increasing anion...7.3 AbernalhJile. K(U00As0,.4H�O. Meta-autunite group. M.E. Thompson. B. Ingram. and E.B. G ross ( 1 956)...p. 579. Abkhazite. syn. of tremolite. Amphibole group. N.E. E fremov ( 1 940 for 1 938) Trans. 111st. |  | | Book (edition) | | that in group 1 the crystals are formed or developed alike in all three axial directions; in group 2 the...manufactured of great perfection at Siegen, in Germany. Pasteboard models, likev/ise useful aids to the...anorthite, of the feldspar group, the form is very similar to those of the monoclinic feldspar, orthoclase...these be not triclinic, as, for example, in the feldspar family ; and 2, tlie ease of calculation, which...octahedron, it is especialh'' common with the spinel group of minerals similarly, f. 269, a more complex form | | | Book (edition) | | CLASSIFICATION OF MINERALS PART 11. GROUP lA. GROUP lB. GROUP 2A. GROUP 2B. GROUP 3B. Page 220 DESCRIPTION...ALUMINIUM Boron Minerals Aluminium Minerals 312 317 GROUP 4A. TITANIUM, ZIRCONIUM, CERIUM, THOR1UM Titanium...Zirconium Minerals Cerium and Thorium Minerals GROUP 4B. XJ CARBON, SILICON, TIN, LEAD Carbon Minerals...Tectosilicates Tin Minerals Lead Minerals GROUP 5A. GROUP 5B. VANADIUM, TANTALUM Vanadium Minerals...473 Antimony Minerals 478 483 Bismuth Minerals GROUP 6A. CHROMIUM, MOLYBDENUM, TUNGSTEN. URANIUM Chromium |  | | Book | | The Hamlyn Publishing Group Limited, a Division of the Octopus Publishing Group, Michelin House, 81 Fulham...specific gravity (with some exceptions), and mineral group. Hardness was established as the main identification...according to individual specializations. A separate group lists the most often used mineralogical periodicals...more complicated inorganic compounds. The last group is formed by organic compounds. H. Strunz (1970)...; this is a product of chemical weathering of feldspar rocks. Other examples of residual deposits are | | | Book | | The Hamlyn Publishing Group Limited, a Division of the Octopus Publishing Group, Michelin House, 81 Fulham...specific gravity (with some exceptions), and mineral group. Hardness was established as the main identification...according to individual specializations. A separate group lists the most often used mineralogical periodicals...more compilicated inorganic compounds. The last group is formed by organic compounds. H. Strunz (1970)...found; this is a product of chemical weathering of feldspar rocks. Other examples of residual deposits are |  | | Journal (issue) | | what it can do, w hat it is used for, and t he group of minerals it belong s t o. Origins gives the location...the most fascinating examples in each min eral group. This map highlights some of the world's leading...in layman's terms below. GROUP Each mineral and gemstone belongs to a group, or family, of similar types...to chewing gum and antibiotics. 1 Halides- This group has approximately 100 minerals that combine one...and generally have to be mined . Nitrates- This group features compounds of one or more metal with nitrogen |  | | Book | | Author: ( ·u/lector .,· c;uide 10 the A,nphibole Group, 978-0-7643-4870-9 /11t1Dductio11 to Rudioocth•e...Guide lo the Zeolite Group. 978-0-7643-4675-0 Colll:'ctor} G11ide to the Feldspar Group, 978-0-7643-4329-2....................................... ..... 48 Germany .................................................carnotite and tyuyan1unite, followed by autun ite-group phosphates and arsenates, and silicates, pariicularly...su Ifates, carbonates, men1bers ofthe autunite group, and various uranyl silicates. In vanadiferous ores |  | | Book (edition) | | 2 ()S .Nej'lielife, Sofialite, Leiicite 269 Feldspar Grouj) 272 2 M) Subsiiicates Cbondnuliii', Tourinaline...Zeolites Section 'riioiusonit(\ b. 1 2h\S Group 1 i singcrite Chlorite Gi\>uj> . 397 310 312...Dotasli-IMcDpar Series 487 8. Mica and Sodadime Feldspar Series 448 4. Hornbleiah; and Potasli-Feldspnr...Hornblende and Sodadime Feldspar 440 (), Pyroxene and Sodadirne Feldspar 7. Pyroxene, Garnet, Epidote... Rocks littl(‘ 485 Sc ries Scu'ies or no Feldspar 450 452 453 455 MINERALOGY. Minerals. Minerals |  | | Book (edition) | | therefore, plagioclase was considered to be a group of minerals each of which had a definite composition;...leading to four end-members. is found in the spinel group, in which MgAl204 may vary in one way to FeAl204...palladium, rhodium, bismuth, iron, etc. Struc.2 Space group Fmdrn] a 4.0704 A 1 (Au) to 4.0779 A 1 (Ag). U.C...silver, bismuth, mercury, etc. Struc.4 Space group FmZrn; a 3.607 A. U.C. 4. Crystals often modified...minor Co, Cu, C, S, etc. Comp. Struc.5 Space group Im3m; a 2.861 A. cleavage. U.C. 2. Usually massive; |  | | Journal (article/letter/editorial) | | niversity Mainz, D-55099 Mainz, Becherweg 21, Germany a r t i c l e i n f o Article history: Received.... . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and.... . . . . . . . . . . . . . . . . . . . . . . Feldspar . . . . . . . . . . . . . . . . . . . . . . . | | | Journal (article/letter/editorial) | | niversity Mainz, D-55099 Mainz, Becherweg 21, Germany a r t i c l e i n f o Article history: Received.... . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and.... . . . . . . . . . . . . . . . . . . . . . . Feldspar . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (volume) | | Earth, Editorial and Design by T he Brown Reference Group pie ISBN O 7489 7935 2 NO i 07 04 18 Printed in...are often replaced by pyrite. FACT FILE PYRITE Group: Sulphides Crystal system: Cubic Habit: Cubes,...quartz rather brittle. FACT FILE ROSE QUARTZ Group: Oxides Crystal system: Trigonal Chemical formula:...CHARACTERISTICS Rose quartz is a member of the oxide group of minerals. It is an oxide of silicon, and it gets...deposits of rose quartz can also be found in parts of Germany, Italy, Ireland and Scotland. History Many ancient |  | | Book | | massive calcite. or, rarely, still attached to the feldspar/mica walls of the dike (www.davidkjoyceminerals...specimens in which euhedral crystals of andesine feldspar, augite and ilmenite rest on matrix of fine-grained...columnar crystals of hedenbergite. Around 1960. a group of collectors visited the mine. then temporarily... Orlandi and Vezzoni, 2013 ). A beautiful 8-cm group of ilvaite crystals spotted with tiny crystal!>...in the 1960s (Birch, 1999). IMITERITE EUROPE GERMANY Ramsbeck district, Nordrhein-Westfalen [Sauerland] |  | | Book (volume) | | stalleites), PyhHsalmi, and Vihanti] is a separate group. These deposits show enough differences in geologic...to 15 January meeting in London of the Contact Group "Geology of Ore Deposits held at the Institute of...have been immeasurably aided by that outstanding group of scientists and persons, the mining geologists... Directorate-General XII. Fourth Mtng, Contact Group, "Geology of Ore Deposits," Inst. Geo. Scis., London...southwestern England and northern France, Belgium, and Germany). These rocks underwent several phases of folding |
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