 | | Report (issue) | | Contents 4 Map: Notable Opal Localities 50 BY BRUCE PAUL GABER 6 The Opal Enigma: Science, History...and Pins Afire: Play of Color in Opal BY MAX WEIBEL Sparkling Opal in Ancient Bones: Precious Relics...vibrant with opal pattern and color. In this extreme close-up of a Lightning Ridge black opal, the field...approximately 3 mm wide. Opal courtesy Jenni Brammall BY ALEX RITCHIE 52 An Opal Glossary of Terms BY...BY SI AND ANN FRAZIER BY PETER HUBER 64 Opal from Mexico: Unsurpassed Fire BY JURGEN SCHUTZ 18 Perfect |  | | Journal (issue) | | Clarity Grading . . . “Chocolate Pearls”. . . Leopard Opal . . . Rainbow Andradite from Japan THE QUARTERLY...identifying these products. 236 Leopard Opal: Play-of-Color Opal in Vesicular Basalt from Zimapán, Hidalgo...Jewelry repair damages a diamond • Green augelite from Peru • Bicolored beryl from Namibia • Diopside from Afghanistan...Myanmar • Moonstone from Madagascar • Phenomenal fire opal • “Sunset” quartz from Brazil • Swedish Blue (slag)...University) with a degree in natural science. As an officer in the U.S. Navy from 1942 to 1946, he read |  | | Book (edition) | | SIMON & SCHUSTER'S GUIDE TO ROCKS AND MINERALS An easy-to-use field guide, with over 1,000 spectacular...minerals, because regardless of whether they form by an organic or inorganic process, they are man made....coniferous trees; opal, an amorphous variety of hydrated silica; and limonite, an amorphous hydrated...long. However, it will be quite different from, say, an orthoclase crystal, whatever the latter's size. The...cube. , , parallel to one or two axes (i.e., with an infinite intersection) will have the corresponding |  | | Book | | many Silunan materials. Several and steel in Ordovic,an s,o engmeenng. Carnbnan 570 aspects of these sciences...rock or min eral concerned. In the case of some mine rals. line drawings illustrate the crystal structure...occurrence and the qualities to note when making an identification. Many of lhc technical lt'rms used...""""'"''• ""' «,,=,.;,;,-..,~ .. ;,, cei,tsurn,r,an,es tho """'~ ~""'"' ~ - - ol ~,· _.., ,,.,•...Asterisl<5 - - - - - + - - - denoie the most ll!ll)O<\an! d,S1m9u,sh,,,g fec:ures of rn,oe,a~ bamples ""' |  | | Book | | Phisicke, 1601. Theophrastus's History of Stones, with an English version by Sir edition, 1774. The American...sciences, demands industry and attention and to become an accomplished mineralogist much and carean acquaintance...importance. It is true minerals frequently occur in an amorphous state ; in which case, the particles of..., or Rhombohedral. lateral axes, intersecting at an angle of 60°, and one vertical axis at right angles...the Diamond, and in a less degree by the Precious Opal. Change of Colours is of a somewhat similar nature |  | | Book (edition) | | hi the reno- rations }iavf‘ luM^n introduced, an im- been adopted, tlie talde for the and tln^ chapter... 1 . SiLDLVTLS. SILICA. TAGB Quartz 2 dd Opal 23 b * 2 Ceil oral . SILICATES. Remarks 212... MINERALOGY. Minerals. Minerals nT(‘, llio plants an...portant for (h(‘ imdal they (‘ontain. gentn-ally in an impure state from ili(‘ |)i'^"s<,!uee of oilier minerThe...lerals ^ iaUb.dtlon of if) L'he))i\r(d Proptriles of Mine nth ; (4) J lescrqjtions of Sj/6; cles j (o) JJeientiUiutloii |  | 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) | | role in naming the plants and animals, also showed an interest in classifying the minerals. His natural...synonymy was improved and extended. The work became an international classic for over 50 years, due to the...Ernest H. Nickel, CSIRO, Wembley, WA, Australia, and Monte C. Nichols published by Aleph Enterprises, Box 213...XV xvi Introduction international members and an affirmative response of at least two-thirds of those...Once accepted, the information must be published in an appropriate journal within two years or the CNMMN |  | | Book | | in as Mineralogy. on an the more enquiring without for this ele- an going purpose, advantages... The writer’s anecdotes particular subject mine- different treatises from from various different...indebted friend Mr. on distort their features in to an the whose and other ERRATA. Page 28 32 Error...Error. Line 13 Guidean 30 Swan hard | an where, ? e’f 73 1 80 30 entaille 86 13 it is...Culinary Acid and ...... LETTER Salts—Muriate mine of I. of Abyssinia—Superstitious ideas at- |  | | Book | | Martin Okrusch Hartwig E. Frimmel Mineralogy An Introduction to Minerals, Rocks, and Mineral Deposits...com/series/15201 Martin Okrusch Hartwig E. Frimmel Mineralogy An Introduction to Minerals, Rocks, and Mineral Deposits...Azurite crystals, partly replaced by malachite, Tsumeb mine, Namibia; width of view ca. 3 cm; collection H.E...comprehensiveness. Many subjects are dealt with to an extent that goes beyond what is typically expected...stage the idea was born to write the next edition for an English-speaking readership. This resulted on the |  | | Book | | dieses erfolgreiche Lehrbuch weiter zu betreuen und an den aktuellen Wissensstand anzupassen. Mit den 2005...textlich erweitert und gewinnen durch neue Abbildungen an Informationsgehalt. Neu hinzu gekommen sind ein Abschnitt...konstruktiv und vertrauensvoll. Hierfür herzlichen Dank an Merlett Behncke-Braunbeck, Martina Mechler, Dr. Chris...allgemeinen, anorganischen und physikalischen Chemie an vielen Stellen sehr nützlich. Im einleitenden Teil...Minerale in übersichtlicher Form und in Anlehnung an die Systematik von H. Strunz. Teil II ist der Petrologie |  | Harris, Norman, Fenton, Carroll Lane, Cooper, Chalmer L., Collins, Henry Hill, Haslau-Perry, Olivia V. - Eds. (1961) Larousse Encyclopedia of The Earth (1st ed.) Prometheus Press, New York. | Book (edition) | | ^"THrENCYCLOPEDIA OF aTHE weii- an up-to-date version of enjoying an known French pubhcation^ow and hfe...diagrams, more than 500 photographs and existing an of Sis is not just a translation for Prepared specially...enhave been introduced to cover - an mcjsindex exceUent vironments. An this kind - makes of book a of part...in the Palaeozoic 404 408 408 408 409 410 361 An Underwater 411 Prehistoric Art 361 Flora 412... Gold nuggets and native gold Mineral specimens An oil rig at The Kariba Kuwait Dam Pointe de la |  | | Journal (volume) | | .........................319 EM61 Mineralogy of mine wastes and contaminated soil......................their original relatively uniform distribution; (2) an increase in range of intensive variables such as...particles, such as occur in the atmosphere and comprise an area of increasing interest for mineralogists, they...environment required to deposit diamonds. Metasomatism is an ongoing process, and it is not obvious that diamonds...1918. On April 14 an explosive summit eruption started beneath an ice-cap with an eruption column occasionally |  | | Book | | Teil II – Petrologie und Lagerstättenkunde – mussten an mehreren Stellen Verbesserungen durchgeführt und...Mannheim hat diese Texte kritisch durchgelesen und an vielen Stellen wertvolle Ergänzungen eingefügt. Zwar...nützlicher Begleiter sein wird, der ihnen Freude an Mineralen und Gesteinen vermittelt und ihnen hilft...Freunde unter den Mineraliensammlern findet, die an einem tieferen Eindringen in mineralogische Sachverhalte...Inhalt des Lehrbuchs gründlich zu überarbeiten und an den modernen Wissensstand anzupassen. Die bewährte |  | | Book | | Inhalt des Lehrbuchs gründlich zu überarbeiten und an den modernen Wissensstand anzupassen. Die bewährte...aus 30 Kapiteln besteht. Die „Mineralogie“ wurde an vielen Stellen inhaltlich erweitert; zahlreiche neue...der Magmatite sowie zur Lagerstättenkunde. Es war an der Zeit, vom Niggli-Schema der magmatischen Erzlagerstätten...schreiben, gefolgt werden, wobei allerdings der Text an einigen Stellen über diese Anforderungen hinausgeht...wieder verständnisvoll erfüllte. Großer Dank auch an Franz Schwabenländer für seine geduldige Hilfe bei |
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Monte Rosa Mine, Ica District, Ica Province, Ica, Peru