 | | Book | | merely heightened this impression. The centuries-old lure of gold has given rise to a great many legends,...Sulphur Pyrite Marcasite Gold Native Gold Silver Native Silver Proustite Arsenic Orpiment - Realgar . ...Meta-Zeunerite 120 Native Cooper 88 Native Gold .' 62 Native Silver 64 Native Sulphur 58 Novacekite 120 Opal 18 Orpiment...of assorted colors. These make up the chalcedony group. In the agate type of chalcedony, the banding is...Quartz (La Gardette, Isere, France): 10 cm. 2 - Quartz (La Gardette, Isere, France): 12 cm. ir " ft J, f |  | | Book | | Congress catalog card number: 77-186742 Printed in France by Draeger, Paris CONTENTS Introduction The Birth...Orleans, FRANCE; Curator, School of Mines, Paris 4 F. HOFMANN, Professor, School of Mines, Freiberg...SCHUBNEL, Professor and author, School of Mines, Paris, FRANCE ¥& JOHN SINKANKAS, author and collector...Kongsberg, NORWAY }& PAUL FRAENKEL, collector, Paris, FRANCE jx JOHN FULLER, Mineral Assistant, British Museum...that the Gallery collection represents the finest group of minerals and gems ever photographed. It is hoped | | | Book | | Orleans, FRANCE; Curator, School of Mines, Paris ^ F* HOFMANN, Professor, School of Mines, Freiberg...schubnel, Pro fessor and author, School of Mines, Paris, FRANCE ^ JOHN sinkankas, author and collector,...Kongsberg, NORWAY ^ PAUL fraenkel, collector, Paris, France ^ JOHN fuller, Mineral Assistant, British Museum...the Gallery collection represents the fi nest group of minerals and gems ever photographed. It is hoped...the original list of 150 was refined to a "must” group of seventy-six, the judges frequently voted to retain |  | | Book | | black rock, containing no quartz but rich in the feldspar minerals pyroxene and olivine. Old basalts with...rocks contain large crystals, often of the feldspar group and are known as porphyries. The individual...traprock is diabase in which lath-like crystals of feldspar grow first and darker minerals grow round them...structure. It contains mostly quartz and orthoclase feldspar with some smaller amounts of a darker mineral...rocks are poor in quartz but rich in plagioclase feldspar. Darker and even poorer in silica than diorite |  | | Journal (issue) | | Associate Editors Pierre Bariand Sorbonne Paris, France Bill Birch Museum of Victoria Melbourne, Australia...Associate Photographers Nelly Bariand Sorbonne Paris, France Dan Behnke Northbrook, IL Werner Lieber Heidelberg...Desau telsite, a new mineral of the pyroaurite group. American Miner alogist, 64, 127-130. M ITCHELL...the summer. Initially he went underground in the mines in Mexico and collected as well as purchased material...Witwatersrand goldfields, where production from individual mines often exceeds other countries' entire national output | | | Journal (issue) | | quartz, 14 x 18 cm, from Mont Blanc, Chamonix, France. The largest fluorite crystals measure 2.9 cm....(1979) Desautelsite, a new mineral of the pyroaurite group. American Mineralogist, 64, 127- 130. MITCHELL,...Witwatersrand goldfields, where production from individual mines often exceeds other countries' entire nationq,l...sites. On the Witwatersrand, some of the deepest mines in the world, which extend to depths exceeding 3...consists of shales and mudrocks of the Beaufort Group (PermoTriassic) which were subsequently intruded |  | | Book (edition) | | of giving in connection some information as to mines and mining renovation ; industry. " The student...1. 2. 3. 4. II. Sulphur Group Boron Group Arsenic Group Carbon Group 104 106 109 110 115 MINERALS...and its Compounds Copper and its Compounds 141 Silver its Lead and its Compounds Zinc and its Compounds...Amphibole Group 274 275 277 278 Beryl, etc 2. Unisilicates Chrysolite Group Garnet Group Zircon Group...Axinite 282 Danburite, lolite 286 Mica Group Scapolite Group 287 292 293 286 Nephelite, Sodalite, |  | | Book | | glassy grains quartz, and the yellowish grains feldspar. The whole specimen is called granite. Limestone...not always a rock. On the other hand, gold and silver, found pure or in the 'native' state, are indeed...rock consisting of several minerals, of w.hich feldspar, quartz, and mica are the main constituents. Quartzite...found and smelted. Remains of Bronze Age copper mines can be found, for instance, in various parts of...(NaCl), pyrite (FeS ), 2 magnesite (MgC03), potash feldspar (KA1Si 30 ), are mineral 8 examples, whilst hydrochlo_ric |  | | Book | | describing some of its chemical properties. Within each group the minerals are listed accord¬ ing to CIM; and...sample in his hands. ELEMENTS AND ALLOYS Silver Ag Silver is a member of the cubic crystal system but...silverwhite, tarnishing quickly to black. The streak is silver-white and the lustre metallic. It is malleable...of hot waters on silver sul¬ phides, or of metallic sulphides or arsenides on silver chloride. It occurs...disseminated in various metallic sulphides. Localities. Silver is found at Kongsberg, Norway, sometimes as fine |  | | 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) | | progress equally slowly particles of tion will group themselves shaped solid which Crystals can also...state. As the lava cools these elements gradually group themselves into different mineral molecules, which...two adjacent faces into the telescope deter- mines the angle existing c Fig. 2. Contact Goniometer...the resulting The crystals intergrow accord- group is said to be a twin members, ordinarily two...minerals of the HEXAGONAL SYSTEM 41 Apatite Group are the only ones of importance in this class, and |  | | Book (edition) | | important native elements in this class are copper 9a, silver 9c, gold 2e, 2f, lOa, diamond 2c, 2d, IOc, graphite...arsenic, the sulpharsenates, are also placed in this group, together with the only known oxysulphide, kermesite...kermesite. The majority of species in this group are rare, and many are known from one locality only. The...and tetrahedrite 14e; bournonite 14f; the ·ruby silvers', proustite, pyrargyrite, and stephanite 14g; the...and cuprite I 6e are the orlly minerals in this group. RO None of the naturally occurring monoxides is |  | | Journal (volume) | | photo David Green. BACK COVER: The appearance of a group of cream to light brown calcite crystals in various...Mine, St Hilary, Cornwall, England. UK Journal of Mines & Minerals, 20, 7–37. 2 Journal of the Russell...surrounded by Triassic sediments of the Mercia Mudstone Group. As quarrying has progressed, it has become apparent...surrounded by Triassic sediments of the Mercia Mudstone Group (Figure 1). As the quarries have developed it has...rocks, the sedimentary rocks of the Mercia Mudstone Group are hosts to only a limited number of minerals. |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for...Hastings County. In fall 1994, Dan and Shelley Lambert extracted excellent loose ilmenite crystal clusters...massive calcite. or, rarely, still attached to the feldspar/mica walls of the dike (www.davidkjoyceminerals...Burlakov and Kotrly (1995), about 20 other quartz mines are operated in the region of the Subpolar Urals...which the famous Dodo and Puiva mines belong, and some of these other mines also yield ilmenite crystals |  | | Book (edition) | | Mineralogy, Museum of Geology South Dakota School of Mines & Technology Rapid City, South Dakota GEORGE ROBERT...attempt a complete description of a small mineral group to uncover the unsatisfactory state of our present...well render the volume difficult to use by a large group of potential readers not familiar with structural/chemical...with the inherent problems of end-member names vs. group names and related aspects of nomenclature. Rather...spelling variants, descriptive names, mixtures, group names, chemical names, etc., found in the literature |  | | Book (edition) | | extensively rewritten by the book’s distinguished group of authors in the light of new research and important...Graeber Cureton Mineral Company Colorado School of Mines Charles and Marcelle Weber Dan Behnke Demetrios...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary...contemporary use have been included. Most of the mineral group lists presented were taken from the Glossary of Mineral...letters pointing out that for some entries our space group, Z, and lattice constants are mutually exclusive | | | Book (edition) | | extensively rewritten by the book's distinguished group of authors in the light of new research and important...Graeber Cureton Mineral Company Colorado School of Mines cw Charles and Marcelle Weber DB Dan Behnke DE Demetrios...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary...contemporary use have been included. Most of the mineral group lists presented were taken from the Glossa,y of Mineral...letters pointing out that for some entries our space group, Z, and lattice constants are mutually exclusive |  | | Book | | are defined by chemical composition, structural group, and crystal system, with one or two references...Si04) and fayalite (Fe 2 Si0 4 ) (see Olivine Group), group names, such as mica for all the minerals with...pyrite) and also to a group of minerals having the same structure pyrite group). kind of mineralogic...names of series or groups (e.g., plagioclase or feldspar) are set in boldface italic letters. Varietal...sense that does not refer to a mineral species or group proper, no special designating valid mineral species |  | | Book | | Amphibole group 41; Beryl 56; Chlorite 57; Chloritoid 58; Clay minerals 59; Cordierite 61; Epidote group 63;...63; Feldspar group 67; Feldspathoid family 84, Garnet group 87; Humite group 88; Mica group 90; Olivine...Olivine group 95; Pumpellyite 98; Pyroxene group 99; 30 34 CONTENTS Scapolite 117; Serpentine 119; Silica...Silica group 120; Sphene 124; Staurolite 125; Talc 126; Topaz 127; Tourmaline group 128; Vesuvianite 129;...129; Zeolite group 129; Zircon 131 3 Thenon-silicates Sal 3) 3)38° 3.4 35D 3.6 3). 3.8 IL SEO Sill |  | | 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) | | 159 162 Lithium, sodium and potassium Copper, silver and gold Calcium, strontium, barium and radium...and it is no longer possible to segregate any one group of atoms from the rest. The term 'molecule' can...rubidium ruthenium samanum scandium selenium silicon silver sodium strontium sulphur Symbol Atomic no. Atomic...stretched. Ductile metals in this group include copper, gold, platinum, silver and iron (at high temperatures)...correspondingly less soft and ductile than those in the first group (with cubic close packing). Metals with this structure |  | | Book | | Rubidium Ruthenium Samarium Scandium Selenium Silicon Silver Sodium Strontium Sulphur Tantalum Tellurium Terbium...of this here. Next we must consider a peculiar group of Magnesium (Mg) has two more electrons than elements...appropriate and, indeed, these are linked with an (Si04) group in the mineral forsterite. The chemical short¬ hand...valencies and a bracket around the dis¬ tinctive (Si04) group would result in forsterite symbolized thus: (Mg2)4...ion O2- is divalent, the (P04)3- group is trivalent; the (Si04)4~ group in merwinite is tetravalent because | | | Book | | ubidium Ruthenium Samarium Seance Selenium Silicon Silver N Os 0 a 76 8 a 19 K 59 Pr ese ie Ra 88...of this here. Next we must consider a peculiar group of elements known as the imert gases. The first...appropriate and, indeed, these are linked with an (SiO4) group in the mineral forsterite. The chemical shorthand...about valencies tinctive (SiO4) and a bracket group would around the dis- result in forsterite ...because the phosphorus ion P°* the (PO,)3~ group the oxygen group in merwinite SOLUTION ion O*~ Notice |  | | Book (edition) | | solution will by the laws of molecular attraction group themselves together and gradually build up a definitely...state. As the lava cools these elements gradually group themselves into different mineral molecules, which...of the substance. It must therefore consist of a group of atoms sufficiently large to show all the properties...structure of the crystal, or a chemical molecule, or a group of molecules. For instance in quartz the structural...intergrow according to some definite law, the resulting group is said to be a twin ) crystal. The different members |  | | Book (edition) | | important mineral group called the feldspars. Between the grains of quartz and feldspar will be found dark...the minerals belonging to the large and important group called the Silicates. Hydrogen and oxygen combine...words calcite crystals always form in a systematic group of shapes. We can, then, answer the first question...The grouping of Crystal Particles in Fig. 4. A group of Cul^ic Crystals of Common Salt. an Isometric...important fact is that each of them has a little group of crystallizing forces pulling equally in three |
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