 | | Catalog/List | | locality, Earth makes her own crystals; or the mine where a mineral was discovered, is akin to its ...of tourmaline, liddi- often evokes images of the gem mineral tanzanite, coatite, for which the mineral-rich...island is famed. we find the lesser known and rarer gem species And north, in the Drâa-Tafilalet Region...tsavorite. Traveling west to the storied Tsumeb Mine is one of the very finest examples of the region’s...Dioptase Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia 13 cm tall x 14 cm wide Africa The mine we now call |  | | Journal (issue) | | was the one who collected much of the filiform pyrite from the site up the Clackamas River, and carefully...Wallowa Co., Oregon Fig. 2. Vesuvianite Mono Co., California 5 corresponding mineral is hedenbergite, CaFeSi2O6...from the Morris Claim, Benton Range, Mono Co., California illustrated in fig. 2. The prisms are striated...Riverside Co., Bruce Canyon, Lemhi Co., Idaho California known collectively as Crestmore. This is a magnesium...Pyrrhotite Geikielite Jensen Quarry, Riverside Co., California Spinel 6 Fig. 5. Titanite and epidote in |  | | Journal (article/letter/editorial) | | Collections and Displays California State Mining & Mineral Museum MARIPOSA, CALIFORNIA JOEL A. BARTSCH P.O...O. Box 1192 Mariposa, California 95338 Figures 7 and 2: Two views of the museum. THE COLLECTION OF GEMS...AND FOSSILS assembled by and belonging to the California Division of Mines and Geology, Department of...mineral collecting in California. Consequently, the history of mining in California and the birth and growth...growth of California are so closely intertwined that they are virtually one and the same. The state collection |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead...100-year history of the Benitoite Gem mine, San Benito County, California . . . . . . . . . . . . . . . ...Benitoite Gem mine, San Benito County, California. Natural History Museum of Los Angeles County collection;...Benitoite Gem mine will note the portion of the story devoted to the 1935 visit to the mine by collecting...million, 125,000square-foot science center and state museum complex that will be the cornerstone of the |  | | Catalog/List | | Director Chicago Alissa Ford Managing Director San Francisco Joe Maddalena Executive Vice President...Crystallized Gold from the famed Eagle’s Nest Mine in California A superb Crystallized “Leaf” Gold specimen...gemstone Amethyst to come from the famed Four Peaks Mine in Arizona A sharp and complicated Crystallized...the famed Wolverine Mine in Michigan A “classic” Rhodochrosite with associated Pyrite and Quartz from the...the Sweet Home Mine in Colorado An unusually massive and extremely colorful, Smithsonite from the iconic |  | | Journal (issue) | | .50 by Jim Brace-Thompson olivine gems on the san carlos apache Indian reservation The Mineralogical...Cross by Robert Beard regular columns Rock & Gem Kids ..............................................this reason, advertisements appearing in Rock & Gem should be considered as requests to inquire, rather...customerservice@beckett.com (800) 764-6278 Rock & Gem (ISSN 0048-8453, USPS 486-290) is published monthly...LLC. POSTMASTER: Send address changes to Rock & Gem, c/o Beckett Media, 4635 McEwen Rd., Dallas, TX 75244 |  | | Journal (issue) | | Man-Made Collectibles VOL. 47 ISSUE 6 CALI’S STATE GEM: JUNE 2017 “ANCIENT LIFE” AGATE: A Collector’s...Collection Corundum Carver RICHARD SIPE ROCK & GEM • Vol 47 No. 06 • U.S. $5.99 • Issue Code: 2017-06...BENITOITE 10 These blue “diamonds” are California’s state gem. By Bob Jones A STONE OF MY OWN 16 Ancient Life...heat-colored copper. 34 By Rick Olmstead 48 ROCK & GEM KIDS 46 A LUCKY ROCKHOUND’S 80-YEAR ODYSSEY Part...Jones 56 STONES THAT SPEAK 56 Corundum calls to gem sculptor Richard Sipe. By Warren L. Hollar HARD |  | | Journal (issue) | | CHARMED BY CHERT A MOTHER ROCK FOR THE AGES ROCK & GEM • Vol. 50 No. 3 • U.S. $5.99 Issue Code: 2020-03...Montana’s capital city, is partnering with The Carter County Museum in Ekalaka – dinosaur fossils from within...Tradition And ‘Living the Dream’ at Wild Turkey Mine 20 cherishing chert A Mother Rock for the Ages...Bench Tips ............................... 18 Rock & Gem Kids ..................... 40 Club Corner .........Crystallized Gold Bob Jones SUBSCRIPTION QUESTIONS? Rock & Gem (ISSN 0048-8453, USPS 486290) is published monthly |  | | Journal (issue) | | Rhodonite, 4.7 cm, from the 1700 level, Zinc Corporation mine, Broken Hill, New South Wales, Australia. Collection...collection, John Chapman photo. • 2.5 cm, Top Camp mine, Western Ausytralia. George Stacey collection, Jeff...Scovil photo. Middle row from left: • 2.3 cm, Kintore mine, Coolgardie, Western Australia. Aloe Family collection;...“national” mineral collection, so instead a system of State-run museums exists in the capital cities. The earliest...Lvov photo. other gold and nickel deposits in the State. Likewise the influx of prospectors looking for |  | | Book (volume) | | Director The Bowers Museum of Cultural Art Santa Ana, California + GEMSTONES OF EAST AFRICA by Peter C....Nevada; blue, cushion cut topaz (25.30 ct), Ramona, California; brownish yellow octagonal calcite (21.30 ct)...ct), Ramona, California; deep red cushion cut rhodochrosite (25.56 ct), Sweet Home Mine, Colorado; colorless...Kern County, California; octagonal step cut violetish pink kunzite (26.61 ct), Pala, California. NECKLACE...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75 | | | Book (volume) | | Director The Bowers Museurn of Cultural Art Santa Ana, California GEMSTONES OF EAST AFRICA by Peter C. Keller...red-orange spessartine garnet ( 16.62 et), Ramona, California; deep red cushion cut rho...Kern Cowny, California; octagonal seep cut violetish pink kunzite (26.61 et), Pala, California. NECKLACE...blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75 diainonds... His works are known to almost every collector, gem cutter, gemologist, and mineralogist. His writings |  | | Catalog/List | | founder of Newmont Mining and owner of the Tsumeb mine. Upon his demise, it lent its considerable charm...year’s Arizona Centennial Exhibit at the Tucson Gem & Mineral Society Show, was the 70+ ounce Gold specimen...“European classic.” Additionally, we have: a 4 inch Gem Tanzanite crystal (Lot 49053), several world-class...FLUORESCING WILLEMITE WITH CALCITE SPECIMENS Sterling Hill Mine and Franklin area, Sussex Co., New Jersey Willemite...(14 x 7.6 x 4.4 cm), from the famed Sterling Hill Mine, it is a large exposed Willemite face, with a thinner |  | | Journal (issue) | | JEWELRY BIRTHSTONES Past & Present INDIA’S FOSSILS GEM HUNTER Bernie Gaboury 3 FELDSPAR GEMS Sunstone...Yita Ridge and Welo gemstones by Gail O. Clark Gem Hunter ............................................................................ 56 Washington State University’s fluorescent rock exhibit captivates...Linda Weiford, WSU News REGULAR COLUMNS Rock & Gem Kids .......................................... 34...this reason, advertisements appearing in Rock & Gem should be considered as requests to inquire, rather |  | | Journal (issue) | | N ATOM: Lake Superior’s Mystery Agates ROCK & GEM • Vol 47 No. 07 • U.S. $5.99 • Issue Code: 2017-07...TOURIST MINE A new life for Colorado’s Last Chance. 34 By Steve Voynick 48 54 ROCK & GEM KIDS 46... Call (855) 777-2325 Printed in U.S.A. Rock & Gem (ISSN 0048-8453, USPS 486290) is published monthly...this reason, advertisements appearing in Rock & Gem should be considered as requests to inquire, rather... LLC POSTMASTER: Send address changes to Rock & Gem, c/o Beckett Media, 4635 McEwen Rd., Dallas, TX 75244 |  | | Journal (issue) | | 2022 PubUshed with support: Lomonosov Moscow State University; Russian Geological Sodety Mineral Observer...generations of mineralogists at Lomonosov Moscow State University, Igor V. Pekov, one of his students,...Silbermintz and his collections in the Vemadsky State Geological Museum. Another is a story dedicated...Garanin Boris L Kantor Michael B. Leybov Bryan Lees (USA) Yuriy B. Marin Vladimir I. Pavlishin (Ukraine) Igor...T. Trofimov Lydie Touret (France) John S. White (USA) Managing Editor LudmilaA. Cheshko Sdence Editor |  | | Journal (issue) | | CO~i==:>O~A"T"ION 25847 W. MAIN ST., BARSTOW, CALIFORNIA 92311 TEL: (&19) 253-2954 OFFICE, SHOWROOM...changes to GEMS ANO MINERALS, 1185-E Linda Vista Dr., San Marcos, CA 92069. All advertising and subscription...malled to GEMS ANO MINERALS, 1185-E Linda Vista Or., San Marcos, CA 92069, (619) 744-5020). Copyright 1111...information and requests to the American Federation CALIFORNIA FEDERATION OF MINERALOGICAL SOCIETIES Officers...additional Information end reqU8$ls to t.'le California Federation • NORTHWEST FEDERATION OF MINERALOGICAL |  | | Catalog/List | | QUARTZ CRYSTAL WITH TOURMALINE Barra de Salinas Mine, Barra de Salinas, Minas Gerais, Brazil This specimen...Sierra Blanca, White Mountain Wilderness, Lincoln County, New Mexico At one time this spectacular locality...Premium ($9 min.) Applies To All Lots 38022 PYRITE ‘SUNS’ IN BLACK SHALE Sparta, Randolph Co., Illinois...coal, the district is now down to one operating mine and probably that one will close in the not too...Sunday, June 8, 2008 • 1:00 PM CT 17 38024 PYRITE ON MATRIX Navajun, La Rioja Province, Spain Three |  | | Journal (issue) | | gemstone evaluation. From convenient locations in major gem centers, to frontline detection of emerging treatments...Uranium mineral as inclusions in turquoise 296 Gem News International Update on benitoite • Large cat’s-eye...from India • Emerald mining techniques at the Kagem mine, Zambia • Yellow grossular from Tanzania • An unusual...Basel, Switzerland James E. Shigley Carlsbad, California E. Alan Jobbins Caterham, UK Thomas M. Moses...Smith New York, New York Mary L. Johnson San Diego, California Mark Newton Coventry, UK Wuyi Wang New |  | | Book | | The Lomonosov Moscow State University Moscow Russia The Lomonosov Moscow State University Moscow Russia...the authors of this book in the Lomonosov Moscow State University). Preface Contents 1 2 Some General...when milling and pressing. In particular, solid-state ion-exchange reactions are possible between KBr...absorption bands at *3590, 3570, 3520, and 3230 cm−1 in gem-quality crystals of hydrothermal origin from Zabargad...to differences in Fe concentration and oxidation state, water concentration, symmetry or the presence of |  | | Journal (issue) | | for gemologists and geoscientists. 244 p. 266 Gem News International Aquamarine with unusual etch features...Brilliance at the Natural History Museum of Los Angeles County • American diamonds at the Smithsonian • The GIA...Skalwold John I. Koivula soverlin@gia.edu Editors, Gem News Editor Gagan Choudhary Christopher M. Breeding...Timothy Adams Dorrit Jacob Karl Schmetzer San Diego, California Canberra, Australia Petershausen, Germany...Johnson Guanghai Shi Washington, DC San Diego, California Beijing, China Alan T. Collins Stefanos |
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