 | | Journal (article/letter/editorial) | | minerals of the feldspar group. THE MINERALS OF ROCKPORT. I{. E. MCKINSTRY MASSACHUSETTS Cambrid,ge...diameter, and many show a rough zonal structure with feldspar near the periphery and quartz at the core. Large...of black mica (lepidomelane) occur in the outer feldspar and marginal fine-granite zones. Aside from these...and molybdenite. MrNpner,s Rspontno Albite. See Feldspar. Amplviboles: Hornbl,enileoccurs as a narrow black...fayalite crystals and the enclosing quartz and feldspar, where Warrenl has shown it to be a reaction product |  | | Journal (issue) | | with ALBITE and QUARTZ Himalaya Mine, San Diego County, CA Watercolor by Frederick C. Wilda© REVELATIONS...Lake Owyhee State Park, Malheur County, and also near Goble, Columbia County in 1967. Again, this new mineral...apophyllite is no longer a single mineral but a group name. In the early days of mineralogy, the mineral...danburite at Charcas, Mexico BOB JONES the apophyllite group. Scientists took the basic chemical name; calcium...During quarrying operations at Centerville, Fairfax County, a wide seam was opened that held amazing specimens |  | | Journal (article/letter/editorial) | | Amarga Basin sedimentation 113(1-2)27-53 Aiken County South Carolina sedimentary Petrology 108(1-4)...llO(l-2) l-6 alkali feldspar see K-feldspar alkaline eatth metals see magnesium Allegheny Group see Freeport...Freeport Formation Allendale County South Carolina sedimentary Petrology 108(1-4) 163-180 stratigraphy 108(1-4)...Famatina System argon-argon see Ar/Ar Armstrong County Penasylvania sedimentary Petrology 109(3-4) 305319...141161; 108(1-4) 181-194; 108(1-4)207-228 Atlantic County New Jersey Miocene 108(1-4) 3-18 Atlantic Ocean |  | | | | United States: 311 Washington Street, Brighton, Massachusetts www.fitzhenry.ca 02135 godwit@fitzhenry.ca...groups: Minerals that have oxygen tightly bonded in a group around a central non-metallic ion. Oxides or carbonate...beryl, tourmaline, mica, feldspar, nepheline, zeolite, sodalite, bonded in a group around a central silicon... e.g., gypsum Vitreous: glassy, e.g., quartz, feldspar Transparency: Passing of Light Transparency is...2 gypsum, 3 calcite, 4 fluorite, 5 apatite, 6 feldspar, 7 quartz, 8 topaz, 9 corundum, 10 diamond. For |  | | Book | | States: 3 11 \Vashjngton Street, Brighton, Massachusetts 02J 35 \vww. fitzhen ry. ea godwit@frtzherny...groups: Minerals that have oxygen tightly bonded in a group around a central non-metallic ion. Oxides or carbonate...Silicates: Minerals have oxygen tightly bonded in a group around a central silicon aton1. Olivine, garnet...talc, clay, cb.rysotile, ch tysocolla, quartz, feldspar, nepheline, zeolite, sodalite, lazurite are the...e.g., gypstun Vitreous: glassy, e.g., quartz, feldspar Transparency: Passing of Light Transparency is |  | Graham, Ian, Sutherland, Lin, Zaw, Khin, Nechaev, Victor, Khanchuk, Alexander (2008) Advances in our understanding of the gem corundum deposits of the West Pacific continental margins intraplate basaltic fields. Ore Geology Reviews, 34 (1) 200-215 doi:10.1016/j.oregeorev.2008.04.006 | Journal (article/letter/editorial) | | columbite-group phases, zircon, spinel and rutile, some contain additional nepheline and K-feldspar, suggesting...2004) and are also recorded from diatremes in the Gloucester River to the SE (Sutherland et al., 2005b). The...sapphire Sapphirine, clinopyroxene, garnet Alkali feldspar, zircon, monazite, hercynite, Mn-ilmenite, columbite...suites contain inclusions of columbite-group phases, feldspar-group phases, zircon, spinel and rutile, some...columbitegroup phases. An additional group is here referred to as the ‘metasomatic group’ based on transitional characteristics |  | | Book (edition) | | 1. 2. 3. 4. II. Sulphur Group Boron Group Arsenic Group Carbon Group 104 106 109 110 115 MINERALS...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,... Leucite 296 302 303 304 306 Feldspar Group 8. Subsilicates Chondrodite Tourmaline Andalusite, Fibrolite...Chlorite 337 IV. 1. 2. 3. 332 Hydromica Group Group HYDROCARBON COMPOUNDS. Simple Hydrocarbons |  | | Journal (issue) | | metallic sulfides we call “pri mary min erals”. This group of brightyellow crystals is from the Cozzo Disi...and repairs; contact Jane Westbrook, PO Box 59, Gloucester Point, VA 23062, (804) 285-4281; e-mail: jan...6-8—LA HABRA, CALIFORNIA: Annual show; North Orange County Gem & Mineral Society; Sonora High School; Upper...nocgms.com 7—DELTA, COLORADO: Annual show; Delta County Rock Wranglers; Heddles Recreation Center; 530...Annual show; North Idaho Mineral Club; Kootenai County Expo and Event Center; Kathleen and Government |  | | 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) | | commonly have several variants, such as Great Smoky Group, Great Smoky Conglomerate, Great Smoky Formation...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they |  | | Book | | Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73...ALICE GLORY HOLE The Alice glory hole, Clear Creek County, Colorado (by T. A. Hanson & W. B. Craft) 18:185187...--and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE MYERS --and...Allgood, J. Pradenas: Gold occurrences in Tuolumne County, California 18:41-45, 18:62-64 --with W. H. Wilkinson |  | | Book (volume) | | Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...Beryl, Topaz, Opal. IMPORTANT GEMSTONES The Feldspar Group, Spodumene, Tourmaline, Sodalite and Cancrinite... Rhodonite, Idocrase (Vesuvianite), The Garnet Group. Quartz FAMILY GEMSTONES RarRE AND UnusuaL GEMSTONES...X11 Rutile group Phenakite crystal Phenakite crystal group Axinite crystal Axinite group A microlite |  | | Journal (issue) | | Wulfenite from the Red Cloud (photo credit)mine (La Paz County), Arizona, is world famous. (3.9 cm high) Jeff...—James Beauchamp via Facebook XRF Excitement A group of Houston Gem & Mineral Society members were privileged...learning where the claim boundaries were, the large group dispersed in all directions. I first explored the...amounts of orthoclase feldspar, as well as iron minerals such as goethite. Since feldspar is more susceptible...Gem USA. g frame & Wheels Cabbing Machine - 6 inch 895 00 complete Made in USA Our made in USA wheels |  | | Journal (issue) | | rnd ,ili.:.m·, with a fc\\' ex.1 111plc, in 01ha group,. Y NbO,. 1, tt·tr,1gonal 111 char,1Ctt'r b111 "...Red Acl' µeg1 1 1ar11c. Florl'nce o. Wi,consin. USA. Ferroc o l u mbire. Fe: b 20,,. 1 < usually found...South DakotJ, N ew Mexico and California in the USA. Also from Minas GerJi,. 13r.1 zil:Varutrask, Swc:dc:n:...1caditc: .ire obr.1 in<·d from thr<'<" n11ncs in USA: 1h<' 13,g Chid. Whitt: Cap and th<· Hcm.1rcl n1in<'>...extensively used in the papermak.ing mdusrry. Feldspar CrystaJs arc often found in the large quar r ies |  | | Book (volume) | | greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite...Pennsylvania Amherst College Library, Amherst, Massachusetts Gail and Victor Blomquist library, Dresden,...Museum Archives, Harvard University, Cambridge, Massachusetts Richard P. Hauck library, Bloomfield, New Jersey |  | | 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 (edition) | | (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA). Dmitriy Belakovskiy (Russia). Fabio Bellatreccia...(Italy), T.S. Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada)...Henderson. Jr. (USA). D.D. Hogarth (Canada). J.L. Jam bor (Canada), Anthony R. Kampf (USA). Pave! M. Kartashov...Karnp-Moller (Denmark). Akira Kato (Japan). Lance E. Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria)...Republic). Per Nystcn (Sweden), David O'Hanlcy (USA). Filippo Olmi (deccased) (ltaly). Werner H. Paar |  | | 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...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept |  | | Report (issue) | | Kingston Range Wilderness Study Area, San Bernardino County, California. (200) E no.!709-D Washington, D.C...resources of the Little Humboldt River study area, Elko County, Nevada. Spokane, Wash. : Western Field Operations...Geologic map of the Big Rock Hill quadrangle, McKinley County, New Mexico. Reston, Va. : U.S. Geological Survey...map of the Hard Ground Flats quadrangle, McKinley County, New Mexico. Reston, Va. : U.S. Geological Survey...Malpais lava field and surrounding areas, Cibola County, New Mexico. Reston, Va. : U.S. Geological Survey |  | | Book (edition) | | The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names.... a. Geographic Coordinates peridot BA olivine group nesosilicates orthosilicates silicates BT minerals...term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because...(BT-NT) relationship is that of a group to an individual in the group, e.g., BT minerals to NT silicates |  | | Book (edition) | | 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...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...Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD...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 |  | | Book (edition) | | mark the degree of symmetry which belongs to each group of forms, and which is in fact the fundamental distinction...that in group 1 the crystals are formed or developed alike in all three axial directions ; in group 2 the...in the several lateral directions, but unand in group 3 the crystals are formed unlike in all three like...triclinic species. In f 229, of anorthite, of the feldspar group, the form is very similar to those of the monoclinic...monoclinic in orthoclase, O on the brachy feldspar, orthoclase diagonal (clinodiagonal) section is 90 | | | Book (edition) | | extensively rewritten by the book's distinguished group of authors in the light of new research and important...Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere...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 (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...Topaz, Opal. II 68 IMPORT ANT GEMSTONES The Feldspar Group, Spodumene, Tourmaline, Sodalite, Olivine (Peridot)...Rhodonite, ldocrase (V esuvianite), The Garnet Group. 199 246 III QUARTZ FAMILY GEMSTONES IV RARE AND...Frontispiece. Drawing of tourmaline and morganite group 1. Crater of Diamonds, Arkansas 2. Star of Arkansas...of tourmaline crystal forms 38. Map of San Diego County, California gem sources 3 9. Stewart Lithia· and |
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