 | | Catalog/List | | Mashamba West Mine, Shaba, Zaire. Crystals to 9mm. 48x30x17mm. £48 2 BRAZILIANITE Tefirio Mine, Linopolis...12x12mm crystal. 43x32x29mm. £135 3 HEULANDITE Aurangabad, Maharashtra, India. Main crystal array 39mm...52x40x25mm. £225 5 CALCITE Guilin, Guangxi Zhuang AR., China. Crystals to 21mm. 68x53x38mm £28 6 CUPRIAN AOAMITE...AOAMITE on 7 ORPIMENT MOTTRAMITE Tsumeb Mine, Tsumeb, Namibia. 70x33x30mm. £48 Luchuml, Caucasus, Russia...County, Arizona, USA. Crystal balls to 5mm. 30x29x18mm. £55 9 FLUORITE Okurusu Mine, Namibia. Gemmy green/purple |  | | Report (issue) | | Localities, Great Associations 78 Fluorite from Peru BY ROCK CURRIER a taste of ASIA 82 BY RAY GRANT 86 92...and the Former Soviet Union & DMITRI BELAKOVSKJ China BY GUANGHUA LIU Pakistan BY DUDLEY BLAUWET Fluorite...Brian Stefanec explores a pocket at the Elmwood mine. Photo Mark Kielbasa Switzerland BY HANS ANTON...MICHAEL GRAY 54 Elmwood-Gordonsville-Cumberland Mine Complex Of Eastern Tennessee BY ARVID PASTO 56...evidence fluorite is often listed as the Erzgebirge (Ore that fluorite was used as an ornamental stone in |  | | Catalog/List | | Lots” or type your desired Lot # into the “Search” field. Every lot is listed with full descriptions and...29813 Nature & Science Specialists Steve Ivy CEO Co-Chairman of the Board James Walker Director, Nature...Associate Director, Nature & Science Jim Halperin Co-Chairman of the Board Greg Rohan President Paul...Sulfur specimen from Italy – a tremendously large crystal on matrix. There is a wide selection of exemplary...museum-quality Tourmalines, including the 2nd largest Sapo Mine “shaving brush” and an exceptional Elbaite on Feldspar |  | | Catalog/List | | Lots” or type your desired Lot # into the “Search” field. Every lot is listed with full descriptions and...34061 Nature & Science Specialists Steve Ivy CEO Co-Chairman of the Board James Walker Director Nature...Associate Director Nature & Science Jim Halperin Co-Chairman of the Board Greg Rohan President Paul...specimens, including “The Helmet” from the HillLedford Mine that is an American Mineral Treasure. • An extremely...VARISCITE Little Green Monster Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA That the Variscite |  | | Book | | ;\t<11i'tritl'1;lfJIBM!ljl.i-~liEJRf.i{lz.lif&ff.\W,{jfil :_:. '.:\, •·• 1 : .. , :·, ...~~~ ,', ...vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...Shelley Lambert extracted excellent loose ilmenite crystal clusters from a calcite vein-dike digging site...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage |  | | Journal (issue) | | . . 494-5155 . . . FAX (949) 494-0402 Pho to by W endell E. Wi Open Tues.-Sat. 10-5. (Closed Sun.-Mon...schedule, to be sure w e’ll be here when you plan your visit! WEB: http//w w w .kristal!e.com E-mail:...Andrew C. Roberts Geol. Surv. of Canada Ottawa George W. Robinson Seaman Mineral Museum, MTU Houghton, Michigan...Dan Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey................................... 3 by R. Grant & W. E. Wilson The minerals of Russia—Abstracts of the |  | | Catalog/List | | Denver Marriott West 1717 Denver West Blvd. • Golden, CO 80401 Saturday, September 12 – Monday, September...37110 Nature & Science Specialists Steve Ivy CEO Co-Chairman of the Board James Walker Director Mary...Craig Kissick Associate Director Jim Halperin Co-Chairman of the Board Greg Rohan President Paul...specimen is coming out of the dense light gray and tan rock in which it has been well preserved. Overall Measurements:...“A Tale of Two Trilobites” as this oddly shaped rock has two very differently looking varieties of this |  | | Book (edition) | | photograph their specimens for this book. Front co,·er photos: Turquoise, polished. 55 mm, ZhiJandy...Capillitas, Argentina, H Back cO\·erphoto: Wolframite. 45 mm. Yaogangxian, China, H Page 1: MuscO\ite. 45...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...authors and a stud) of recent literature in the field of mineralogy. Current encyclopedic books mostly...formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest X-ray powder |  | | Catalog/List | | 15021 Natural History Department Steve Ivy CEO Co-Chairman of the Board David Herskowitz Director...Natural History Jim Halperin Jim Halperin Co-Chairman Co-Chairman ofofthe Board the Board Greg Rohan...75219 | 800-872-6467 R. Steven Ivy, Co-Chairman James L. Halperin, Co-Chairman Gregory J. Rohan, President...inches long. At one point a large Calcite (?) crystal, covered by Amethyst, rested on top of the mound...mound. At a later point in time, the Calcite crystal dissolved, leaving a hollow echo of itself in the Amethyst |  | | Journal (issue) | | Ivanov Ivan A. Glazov Text (Russian), sketches, crystal drawings belongs to the authors, 2011 Text (English)...Almanac Mineral-Almanac Ltd, USA 10896 W. Beloit Pl. Lakewood, CO 80227, USA E-mail: minbooks@online.ru...a large smoky quartz crystal from the Tyrolean Zillertal and a large rock crystal from the Italian Ahrntal...nuggets and large native silver specimens (,,feather ore") from Potossi in Bolivia Best known of all is the...Schumacher Graphite (35 x 32 cm) of the Alibert Mine, Botogol Mt. in Siberia, rough materiaL two pencils |  | | Journal (issue) | | SKIPA N ATOM: Lake Superior’s Mystery Agates ROCK & GEM • Vol 47 No. 07 • U.S. $5.99 • Issue Code:...mystery gems. 22 14 By Jack Hobart MOUNT IDA CRYSTAL HUNT 22 Collecting Arkansas quartz in the Ouachita...A TOURIST MINE A new life for Colorado’s Last Chance. 34 By Steve Voynick 48 54 ROCK & GEM KIDS...Naxos. By Helen Serras-Herman Regular Columns Field Notes .......................... 6 Lapidary of the...Month ....8 Bench Tips ......................... 20 Rock Science .................... 32 What to Cut ... |  | | Journal (issue) | | Andrew C. Roberts Geol. Surv. of Canada Ottawa George W. Robinson Seaman Mineral Museum, MTU Houghton, Michigan...Dan Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey...specimen known of any microlite-group species; 1.7-cm crystal in lepidolite, from Paprock, Afghanistan. Rob Lavinsky...their mineralogy, particularly when working in the field. The industrial demand for minerals continues to...construction (especially in developing countries such as China), aggregate engineering and metal mining all offer |  | | Conference Proceedings | | publication are also working on these related projects: Ore deposits View project Pegmatology View project ...Goa, India (1999); Madrid, Spain (2001), Wuhan, China (2004); Moscow, Russia (2007); Arusha, Tanzania...Australia, Austria, Bahrein, Belgium, Brazil, Canada, China, Czech Republic, Denmark, Dubai (UAE), England,...gemmologists who have published in the gemmological field. Applications for Observer status, which shall be...Business Meeting. 9 36 th IGC 2019 – Nantes, France Co nference Pro gram m e IGC 2019 programme 23 - 26 |  | | Journal (issue) | | support of these events: Jewelers Mutual Insurance Co. Premier Sponsor ($250,000) Monday Debate Centers...Madeleine K. Albright True Knots By My Way Jewelry Co. Inc. Hotel Key Cards TJF Group (in collaboration...Evening) American Gem Society Registration Gift co-Sponsor Swarovski Poster Session Silver Level ($15...About Trust Gemological research conference 79 Co-chair Address James E. Shigley and Brendan Laurs...S. Keller akeller@gia.edu Managing Editor Thomas W. Overton tom.overton@gia.edu Technical Editor Sally |
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Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou, Hunan, China