 | | Book | | 139) Page 248: Quartz (amethyst variety), Erongo Mountains, Namibia * 5 x 6 x 3 cm Page 251: Calcite, Irai...Serbia ¢ 11x8x7cm LEFT: Fluorite, Taihang Shan Mountains, Hebei, China * 19x13x1cm 10 | MINERALS: PRODUCTS...be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 cm. Biominerals Crystals formed by biological...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA » 18 x 24 x 8 om 14 MINERALS: PRODUCTS...for cutting other minerals. Calcite, Oklahoma, USA * 10 x 11 x 8 cm Talc, Mpumalanga, South Africa | | | Book | | 139) Page 248: Quartz (amethyst variety), Erongo Mountains, Namibia * 5 x 6 x 3 cm Page 251: Calcite, Irai...Serbia ¢ tixex7 cm LEFT: Fluorite, Taihang Shan Mountains, Hebei, China * (Sexes selem 10 | MINERALS:...be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A CHANGING...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA * 18 x 24x Bem 14 | MINERALS: PRODUCTS...Madagascar e(2x23x3em Quartz, Mount Ida, Arkansas, USA ° 14x 15 x 10 cm Corundum, Mozambique * 17 x 11 |  | | Journal (issue) | | presentations and special reports|GIT Lab Updates|USA lifts ban on Burmese ruby and jadeite|Margaritologia...serpentine from northwestern Pakistan|‘Black’ axinite| Beryl from Tanzania with phenakite inclusions|Clinohumite...inclusions|Clinohumite from Vietnam|Lace opal from Utah, USA|Pollucite from Pakistan with polylithionite inclusions|Large...Edward Boehm, RareSource, Chattanooga, Tennessee, USA; Maggie Campbell Pedersen, Organic Gems, London;...Emmett, Crystal Chemistry, Brush Prairie, Washington, USA; Emmanuel Fritsch, University of Nantes, France; |  | | Journal (issue) | | Fluorapatite, 3.3-cm crystal, from the Pulsifer quarry, Maine. Collected by Terry Szenics; Jeff Scovil...from left: Liddicoatite, 7 cm, from the Sahatany Valley, Madagascar. Collected by Federico Pezzotta; Antonio...mine, California. Collected by Jeff Lines; Ben DeCamp photo. Iolite, 4 cm, from the Entia Valley, Australia...rosette, with prehnite, 14 cm, from the Centreville quarry, Fairfax, Virginia. Smithsonian Institution collection...C6649; Lee Boltin photo. Fairfax Quarry, Virginia, 1967 The Fairfax quarry in Virginia is a classic locality |  | | Journal (issue) | | Merelani mine, located on the slopes of the Lelatema Mountains in the Manyara Region, about 70 km southeast of...Tucson Show, held in a quonset hut at the old Pima County Fair and Rodeo Grounds. I’ve known all of the great...Amethyst crystal group, 11 cm, from the Goboboseb Mountains, about 35 miles west of the town of Brandberg... Figure 91. Elbaite, 6.4 cm, from Jequitinhonha Valley, Minas Gerais, Brazil. Under the right conditions...color on matrix), 10.5 cm, from the Goboboseb Mountains, about 35 miles west of the town of Brandberg |  | | Journal (issue) | | R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead Green Valley, AZ Donald R....Wilson, R. H. Currier, C. A. Francis & S. White Ca-Mg-Fe-rich rhodonite from the Morro da Mina mine, Conselheiro...Ordway, consummate California field collector, was born in Los Angeles, California on August 28, 1935...and Albert J. Ordway. He lived in Bloomington, California for 25 years, until his retirement, at which...which time he and his wife moved to Hesperia, California north of San Bernardino. Al was a nice guy and respected |  | | Book | | PhD, President, Bowers Museum, Santa Ana, California, USA and Dr Demetrius Pohl, PhD (Stanford), former...geology), American Museum of Natural History, New York, USA. CONTENTS Foreword 6 Preface 7 Introduction 8 ...andmineralsincludingactinolite,alabandite, amethyst,axinite-{Mgl,diopside,fluorapatite, graphite,grossular...vicinity of the tsavorite mining area in Taita-Taveta County. PHOTOCOURTESY OF BRUCEBRIDGES THE NEOPROTEROZOIC...Quartz-feldspar ~ Mine Figure 16 Mombo Hills Valley, Tanzania. PETER BLACKWELL/IMAGES OF AFRICA INTRODUCTION19 |  | | Journal (issue) | | Lecture: Mining (Something Other Than Zinc) in Sussex County, by Bernard Kozykowski SATURDAY AND SUNDAY, SEPTEMBER...FOMS Field Trip Collecting at the Franklin Braen quarry Cork Hill Road, Franklin N.J. If gate is open,...additional collections, local as well as from across the USA and Europe, will be represented by individual photographs...caves are known from the Franklin Marble in Sussex County (Dalton, 1976), and though all are small, they... Figure 8. Map of the Robber Baron cave, Bexar County, Texas. The rectilinear passages in this cave reflect |  | | Journal (issue) | | Collection. Bill Kroth photo taken with his Nikon FE film camera. Subscription to The Picking Table is...Field Trip — Collecting at the Braen quarry (a.k.a. Franklin quarry), Cork Hill Road, Franklin, New Jersey...permitted on the Mine Run dump and in the Fill quarry, Passaic pit, and “Saddle” area. For museum members...The reputed Indian Silver Mine in the Limecrest Quarry is discredited. • Specimens of margarosanite from...-Dec. Rocks and Minerals prompts letters from California, Arizona, Illinois, Canada, and many eastern |  | | Journal (volume) | | made the first of many three-hour drives to Sussex County and met with the usual dealers at the time: Stanley...in the old folks’ repository near the Lime Crest quarry after he and Helen went there to stay. He had trouble...he chose to let the clock run out. Even in the valley of the shadow of death, Ewald did it his way. ...manganaxinite and ferroaxinite are now axinite-(Mn) and axinite-(Fe). The advantage of related species having...Atacamite Augite Aurichalcite Aurorite Austinite Axinite-(Fe) Axinite-(Mn) Azurite Calcite Canavesite Carrollite |  | | Book | | with 5 edges shared per MnO6 octahedron VI 2+ 3+ Fe –O 450–500 Octahedron Sb3+–O 460–560 Valentinite...610–620 Isolated octahedron V VI Zr–O IV 3+ Fe –O 610–660 Tetrahedron VI W6+–O 615–815 Octahedron...manaksite water preferably occupies unit cells in which Fe or Mn are substituted with calcium that is present...unit cell; these OH groups coordinated by 1 Mg (or Fe) and 1 Si (or Al) are generated by a partial replacement...configurations (MgR2+R2+)– OH–□ and (MgMgR3+)–OH–□ where R = Fe or Mn (Ishida and Hawthorne 2001). Consequently, |  | | Book | | Co. Pte. Ltd. 5 Toh Tuck Link, Singapore 596224 USA office: 27 Warren Street, Suite 401-402, Hackensack...Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, USA. In this case permission to photocopy is not required.... . . . . . . . . . Representative routes for Nd-Fe-B alloy preparation and magnetisation 179 182 185...because the mass and energy of a mineral in a mine or quarry remains the same, no matter if that mineral is...0.36 32.54 0.023 0.842 ppm 100 O Si Mg Al Ca Fe Ni Ti Cr Mn Na S K U Th Cl Br B C N Rare gases 44 |
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Jensen Quarry, Jurupa Mountains, Jurupa Valley, Riverside County, California, USA