 | | Report (issue) | | John S. White, Jr. SMITHSONIAN INSTITUTION PRESS City of Washington 1976 18 cv \ ABSTRACT Roe, Arthur...W. T. Schaller, Afwillite NMNH 95237 Dutoitspan Mine, Kimber¬ ley, South Africa Dutoitspan Ammonioborite...(M. Vonsen, 1920) NMNH 106112 from the Hillside Mine, Yavapai County, Ari¬ L. G. Berry, 1947. Composition...Mountain, from Mine, Yavapai County, Arizona (L. J. Cabri, 1976) Island Group (F. Haycock, 1927)...the Jarosite American Mineralogist, 12:424-426. Mine, Cobalt, Ontario, Canada Copiapite Tus¬ See reference |  | | Journal (article/letter/editorial) | | Strunz, 1957. Min. Tabellen, 3rd edn, pp. 86, 109. A group name, including fiilSppite, zinckenite, robinsonite...Strunz, 1957. Min. Tabellen, 3rd edn, pp. 86, 108. A group name, including sartorite, baumhauerite, liveingite...Strunz, 1957. Mira Tabellen, 3rd edn, pp. 86, 106. A group name, including seligmannite, bournonite, aikinite...Strunz, 1957. Min. Tabellen, 3rd edn, pp 86, 107. A group name, including hutchinsonite, fiz61yite, ramdohrite...Strunz, 1957. Min. Tabellen, 3rd edn, pp. 86, 108. A group name, subdivided into Bleiarsenspiel~glanze, Bl |  | | Book | | recommendations on the nomenclature of the amphibole group, published in the Mineral. Mag. (1978, 42, 533)...p. 433 (Adigeite). A mineral of the serpentine group with the composition 5Mg0.3Si02.3^-4H20, from Mt...Al)16O34(Cl,SO4,CO3)4.0-6H2O, from a lapis-lazuli mine, Sar-e-Sang, Badakshan province, Afghanistan. The...Greenish-blue hexagonal crystals from the Bou-Skour copper mine, Jebel Sarhro,* Ouazazate,* Morocco, have the composition.../1-FeOOH, occurring at the Akagane mine, Iwate prefecture, Japan, and named from the locality. Synthetic |  | | Journal (issue) | | and distinct species. A member of the pyroxene group of minerals, jadeite is very different from nephrite...distinct monoclinic mineral belonging to the pyroxene group and having an ideal chemical composition of NaAl(Si03)...actinolite, a monoclinic member of the amphibole group. As in the case of jadeite, however, actinolite...chemically and structurally to other members of its group. Actinolite [Ca(Mg,Fe), (SiO,),] is so closely related...defines jade as any member of the pyroxene or amphbde group that p o s s the ~ n v textural characteristics |  | | Book (edition) | | York NY llXl0I. US;\ Chapman & Hall Japan. Thomson Publishing Japan. I lirakawacho Nc.:n101u Building....6F. 1-7-11 Hirakawa-cho. Chiyoda-ku. Tokyo !02. Japan Chapman & Hall Aus1rnlia. Thomas Nelson Aus1r.1lia...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 |  | | Book | | a mineral belonging to the actinolitetremolite group having the nature of an asbestos. cabochon a gemstone...stone came from — some¬ times down to the actual mine. Today it is commonplace to see in sale catalogues...weathering; garnet crystals may alter (in the main) to chlorite and olivine may alter to serpentine or to Inclusions... Inclusions in the major gemstones 11 chlorite. Olivine inclusions appear as transparent crystallites...in the major gemstones 15 Garnet In the garnet group demantoid shows the diagnostic inclusions of byssolite |  | | Book (edition) | | Chrysoberyl Spinel Topaz Tourmaline The Garnets Feldspar Group Zircon Peridot 69 92 117 150 167 171 175 185 195...book would be more sensibly shared out among a group of authors/gemmologists, each member tackling his...Edition being extracted from ‘Gems of the Silica Group’ to form a separate chapter. I have also reintroduced...amethyst, which are now produced in Russia and Japan on a commercial scale. Alteration in the colour...First Edition For two decades, an earlier work of mine – Practical Gemmology – has proved a useful elementary |  | | Journal (issue) | | Association of Japan Gem Tmst, Okachimachi Cy Bldg., 5-15-14 Ueno, Taito-ku, Tokyo 110, Japan. Our Canadian...liddicoatite, the calcium end-member of the tourmaline group.) Within the last two decades, important quantities...that a new sapphire deposit had been found near *e city of Beldyl in the central portion of southern Madagascar...Andranondambo area (figure 4): the Fort Dauphin group, which is composed mainly of hornfels with cordierite;...granulite facies) metamorphic roclzs of the Tranoinaro group; in this area) the granulite facies consist of crystalline |  | | Journal (article/letter/editorial) | | it, is not just another way of indicating a new group of silicic acids, becausethe silicates cannot be...silicate descriptions has failed to show any important group of minerals which cannot reasonably be placed in...crystallographic and physical properties. The term group is used here approximately as in the standard textbooks...there are probably four major series comprising the group. These series are: The anthophyllite series-X7(ZrOrr)z(OH)r;...given above. It is to be noted that the general group formula is such that the formulae of the seriesmay |  | | Book (edition) | | text most used by an increasingly large and active group of gemstone collectors who are fascinated by the... CRYSTAL STRUCTURES AND PROPERTIES types. A group of atoms held together by bonds in such a way form...sodium may amounts! In such cases it member of a group of about eight minerals with essentially the same...important groups of gem found on page 241. The group concept of relating similar gem species has been...natural or synthetic but also to indicate the very mine from which it came! Inclusions are the most powerful |
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