 | | Report (issue) | | “bigger” than the rhodochrosite of the Sweet Home mine, and right now the big news appertaining thereto...website (collectorsedge.com) is offering 16 Sweet Home mine rhodochrosite specimens, thumbnail to cabinet-size...6.7 cm, from the Detroit City Portal, Sweet Home mine, Alma, Park County, Colorado. Collector’s Edge specimen;...(WeinrichMineralsInc.com) also has some newly emerged Sweet Home mine rhodochrosite specimens, as well as other items...the Shijiangshan lead-zinc mine at Lixi, Inner Mongolia, China (this mine, begun in 2008, has also turned |  | | Report (issue) | | crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters...from some pegmatites. This specimen, from Minas Gerais, Brazil, is housed in the Deutsches Edelstein Museum...crystals are found in soils and stream gravels in Brazil. On the other hand, at high temperatures and pressures...phosphate type pegmatites, beryl is associated with quartz, microcline, albite, muscovite, biotite, ferrocolumbite...Alpine and hydrothermal veins, it is found with quartz and feldspar. In topaz rhyolites where red beryl |  | | Catalog/List | | sodium and iron California San Benito River, Gem mine Black prismatic xls imbedded in syenite CROSSITE...iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite ..... . GRUNERITE...Champion, Spons mine White-tan fibrous aggregates in magnetite with stilpnomelane, penninite, quartz ... HASTINGSITE...manganese silicate New York Fowler, Arnold Tale mine Lavender prismatic crystalline mass ...... . LB...mass .............. South Dakota Custer, Bull Moose mine Pure white cleavable mass ........... . MM Fl |  | | Show/Event (guide) | | offered continuously during show hours. OF GEMS, MINE FREE BUSSES Free continuous transportation from...historical mining gallery including a reconstructed mine tunnel Off,clo/ n.aon Show Coto/01, /988 Tucson...791 -4266 or 791 -4836. Other Attractions Queen Mine Tours While in Bisbee, adventurous visitors of...for the underground tour of Bisbee's famous Queen mine. Tours are given 7 days a week. Call 432-2071 for...Arassuahy, Minas Gerais, Brazil (13 cm); Mourne Mtns., Ireland (5.5 cm); Agua Limpa, Minas Novas, Minas Gerais |  | | Catalog/List | | ...... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals on gossen with minor...silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and coatings on monzonite .....Derby mine White xlline lamellar mass with minor lepidolite . Virginia Amelia, Rutherford mine !r2 Lustrous...Andreasberg Rich gray botryoidal aggregates in quartz ...... ALLOPHANE Hydrous aluminum silicate Seain...Colorado Saguache County, Klondike mine Cleavage plates in quartz with pyrite ......... AMBER Oxygenated |  | | Journal (issue) | | a n d Peter C. Keller Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Governador Valadares...lapis lazuli from Asia Minor, as well as agates, rose quartz, emeralds, and amethyst were popular materials...to modern times. It began in 15thcentury Italy, rose to magnificent heights in the 16th century in England...represented-to silently demonstrate her power, opulence, and regal dignity (figure5).Horace Walpole, an 18th-century...procession was designed to imprint the image of her regal strength on her contemporaries, and indeed left |  | | Catalog/List | | Back Cover COVER PHOTOGRAPH: _ VANADINITE Apache mine, near Globe, Gila County, Arizona. Sharp hexagonal...... . Fl. Utah Toelle Co., Gold Hill, Gold Hill mine. .50 2.50 Transparent xls on limonite with austinite...fluo rescence under ultraviolet light. The Ojuela mine is one of Mexico's largest producers of beautiful...AGATE See QUARTZ AJOITE Copper aluminum silicate. Arizona Pima County, Ajo, New Cornelia mine. Sky-blue...monzonite .. Arizona Pima County, Ajo, New Cornelia mine. Sky-blue crystals and masses on and in blue shattuckite |  | | Catalog/List | | silic:ue Ar120na Pima County. Ajo. l\ew Cornelia mine Skyblue mkro crysuls and coatings on gray monzonile...CLEAV[ LA!·nrrE Colorado Gunnis >n Cl1., Brown Derby mine • lamcllar mass. . . . . . . . . . . . . . . . ...Lead tellurlde New Mexico Oona Ana County, Hilltop mine Rlch øllvery cleu•ages and \'eins in matrix. . ... AMBLYGONITE Sodium lithium aluminum phosphate Brazil J.finasGerais, Go,•ernador Valaderas --velrowtranslucent...• • SouthDaJrotaCuster Co. , Custer, Bul! Moosc mine Pure, luat.rous white cleavable masses . . . • • |  | | Catalog/List | | 78-79 79 79 79 VANADINITE specimen from the Apache mine, near Globe, Gila County, Arizona GLOBES AND ATLASES...fluo rescence under ultra violet light. The Ojuela mine is one of Mexico's largest producers of beautiful...silicate. Arizona Pima County, Ajo, New Cornelia mine. Sky- blue micro xls and coatings on monzonite .... Arizona Pima County, Ajo, New Cornelia mine. S.ky-bJue crystals and masses on and in blue shattuckite...San Diego County, Himalaya mine. White crystalled aggregates; some with quartz, tourmaline, microcline and |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Catalog/List | | directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years... 52002 SZENICSITE with POWELLITE Jardinera No. 1 Mine, Inca de Oro, Chañaral Province, Atacama Region...mineral came from one pocket in the Jardinera No. 1 Mine. That find was roughly one cubic meter in volume...000-$3,000 52006 MIMETITE Var. CAMPYLITE Dry Gill Mine, Caldbeck Fells, North and Western Region (Cumberland)...12:00 PM CT 11 52007 FLUORITE De’an Fluorite Mine, Wushan, De’an Co., Jiujiang Prefecture, Jiangxi |  | | Journal (issue) | | ........................................... 13 Brazil .................................................Lapidary, Hong Kong; CMP Asia, Hong Kong; GEA, Brazil; Emmanuel Piat, France; Israel Emerald Cutters...DIRECTORS Andrew Cody, Australia Sergio Martins, Brazil Emmanuel Piat, France Constantin Wild, Germany...to improve the color. Some kunzite buyers from Brazil also discovered that rough crystals they purchased...the production is mixed with calcite. The spinel mine at Kuh-i-Lal is being operated by a skeleton crew |  | | Journal (issue) | | India Bhadresh Pandit, Tanzania Clement Sabbagh, Brazil Capt. Ramji Sharma, Japan Avner Sofiov, Israel...social responsibility initiatives. ICA organized a mine tour in the emerald mining areas of Muzo, La Pita...this year, ICA president Andrew Cody visited the Brazil Gem Show where he made a donation on behalf of...at the schools in the Tourmalina district of Minas Gerais. “This is the first time these children will...addition, following the ICA Congress in Dubai and the mine tour to East Africa in May, ICA arranged for the |  | | Book | | endowed with “celestial virtues.” This silver and quartz. was still in keeping with the popular feeling...the qualifying characteristics: of look-alike quartz and topaz differ greatly. brilliance, beauty,...(bottom left); and square-cut 69-carat spodumene from Brazil. Aquamarine, emerald, tourmaline, topaz, zir¬...interesting study. stone crystals, except for quartz, seldom are found in large sizes. 40 Light Characteristics...but they do well in match¬ ing its dispersion. Quartz and glass make poor substitutes for diamond because |  | | Journal (issue) | | 199~ Weird The Mineral and Wonderful from Quartz Alberta's Collector's Newsletter in Septarian...(though a little skeptical) to learn of a nearby quartz collecting locality. It is a three-hour drive northeast...locomotive cxursions. My first collecting specialty was quartz, for which I've retained a soft spot, and I was...produced a wide variety of interesting and unusual quartz crystals. These are found in abundant ironstone...nodules that weather out of Fig. 1 Partial, hollow quartz crystal 11/4 inches (3 cm) across, with multiple |  | | Journal (issue) | | by W. E. Wilson Pink amethyst from the El Choique mine, Patagonia, Argentina ............................Martino & A. Oteiza The Copper World and Mohawk mine, Northeastern San Bernardino County, California...387 COVER: WULFENITE, 11.5 cm, from the Jianshan mine, Ruoqiang County, Kuruktag Mountains, Bayinguoling...WULFENITE with Mimetite, 1.7 cm, from the Rowley mine, Maricopa County, Arizona. Wish Wang collection...and Vail, Colorado. www.MardaniFineMinerals.com Quartz Cabiche, Colombia 14.5 cm CRYSTAL CLASSICS FINE |  | | Catalog/List | | of Crystallized Gold from the famed Eagle’s Nest Mine in California A superb Crystallized “Leaf” Gold...gemstone Amethyst to come from the famed Four Peaks Mine in Arizona A sharp and complicated Crystallized...famed Wolverine Mine in Michigan A “classic” Rhodochrosite with associated Pyrite and Quartz from the Sweet...Sweet Home Mine in Colorado An unusually massive and extremely colorful, Smithsonite from the iconic Kelly...Kelly Mine in New Mexico A ‘gem’ quality specimen Tanzanite crystal in matrix from the only locality of |  | | Journal (issue) | | feldspar from Congo • Fluorite from the Rogerley mine, England • Demantoid garnet from Iran • Kyanite...emerald from Madagascar • Tourmaline “slider” in quartz 107 109 111 114 The Dr. Edward J. Gübelin Most...tourmaline has come from Madagascar’s Anjanabonoina mine and contains remarkable color zoning, as shown by...Queen pegmatite mine in the Pala district of San Diego County, California, with mine owner Ed Swoboda...Swoboda. This mine has produced large amounts of gem tourmaline, for cut stones and mineral specimens. Photo | | | Journal (issue) | | by WE. Wilson Pink amethyst from the El Choique mine, Pata gonia, Argenti na ..........................RECORD MARCH-APRIL 2020 The Copper World and Mohawk mine, Northeastern San Bernardino County, California...1 COVER: WULFENITE, 11.5 cm, from the Jianshan mine, Ruoqiang County, Kuruktag Mountains, Bayinguoling...WULFENITE with Mimetite, 1.7 cm, from the Rowley mine, Maricopa County, Arizona. Wish Wang collection...CONVENTION 8c EXPO CENTER APRIL24-26 INESITE HALE CREEK MINE MAD RIVER ROCK, COASTAL RANGE, TRINITY CO., CALIFORNIA |  | | Catalog/List | | (5) graduated Tourmaline crystals from the Paprok Mine of Afghanistan • A giant Rwandan Amethyst gemstone...museum-quality mineral association from the Tsumeb Mine featuring Azurite and Smithsonite • An enormous...August 18, 2018 | 11:00 AM CT 7 Minerals 72001 Quartz var. Chalcedony Mamuju, Sulawesi Barat Province...Sulawesi (Celebes) Indonesia The Chalcedony variety of Quartz has been referred to as “Grape Agate” since it...x 6.33 x 5.83 cm) Estimate: $700-$1,000 72002 Quartz var. Chalcedony Mamuju, Sulawesi Barat Province |  | | Book | | Patchwork Harlequin Peridot: Stone of the Heavens Quartz: Jack of All Trades Spinel: Herald of the Princely...Greens Galore! Rhodochrosite and Rhodonite: Inca Rose and Peach Blossom Turquoise: Noontide Sky Agate...rock-forming minerals, such as mica, feldspar, quartz, olivine, and others, were segregated out in orderly...silicate minerals were segregated and precipitation of quartz and feldspar took place. The great majority of...cycle; in its course hot, watery mineral solutions rose up from the depths into clefts and porous zones |  | | Journal (issue) | | ........187 by P. B. Moore The origin of faden quartz .................................................wide range of interests, from pyroluminescence in quartz to extensive studies on contact metamorphism in...INTRODUCTION The defining characteristic of faden quartz crystals is the presence of a white thread-like...“ fah-den” ), which means “ thread.” 1 Fa den quartz crystals are usually tabular due to uneven development...but play a central role in their formation. Faden quartz crystals are typically found in low-grade metamorphic |  | | Journal (issue) | | Palladium and platinum from Corrego Bom Sucesso, Minas Gerais, B razil...............................471 by...Cassedanne & J. N. Alves Minerals of the Black Pine mine, Granite County, Montana .........................and attended by mining industry representatives, mine owners, representatives from all o f Vermont’s mineralogical...being engaged in sweettalking the owner of the M ack mine into allowing her and her young proteges to collect...glasses, with particular emphasis on color centers in quartz. He was also interested in tektites and did geochemical |  | | Book (edition) | | Chapter 13. Quartz Quartz— Rock Crystal— Smoky Quartz— Amethyst— Citrine— Peridine— Rose Quartz— Micro-crystalline...Micro-crystalline Quartz- Coarsely-Crystallized Chalcedony— Agate— On\x— Jasper 87 99 Chapter 14. Opal...native, sifting pebbles in an in Indian diamond mine, found one of the world's most famous diamonds....decided to smuggle would be rich it out of the mine. and would never again need to he could If ...cloth around guard at the gate. he was out of the mine, the where he hoped for the nearest port city |  | | Journal (issue) | | moving products from mine to consumer. The main cover image was taken at the AnahÌ mine in Bolivia, a major...of the company (Even-Zohar, 2007). Because of the mine closures, De Beers’s market share by volume fell...pink diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds...had acquired a 32.8% interest in Angola’s Catoca mine in the early 1990s. Commissioned in 1997, Catoca...mining giant Rio Tinto opened Canada’s second diamond mine, Diavik, with 60% ownership. Rio Tinto had established |
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Regal mine, Araçuaí, Minas Gerais, Brazil