 | | Journal (article/letter/editorial) | | (above left). Fluorite, 5 × 4 cm, from the Navidad mine, Rodeo, Durango. Peter Megaw specimen, Jeff Scovil...8 cm, from the Segovidad Vein, Santa Barbara, Chihuahua. Peter Megaw specimen, Jeff Scovil photo. Mexican...Tucson, Arizona 85728 pmegaw@imdex.com Fluorite Mexico is one of the world’s principal fluorite producers...time to them here. Specimen-quality fluorite from Mexico occurs in a variety of deposit types, spanning...geologist with thirtyfive years’ involvement in Mexico. His primary exploration foci are carbonate replacement |  | Carreño-Márquez, Iván, Castillo-Sandoval, Isaí, Pérez-Cázares, Bernardo, Fuentes-Cobas, Luis, Esparza-Ponce, Hilda, Menéndez-Méndez, Esperanza, Fuentes-Montero, María, Montero-Cabrera, María (2021) Evolution of the Astonishing Naica Giant Crystals in Chihuahua, Mexico. Minerals, 11 (3) 292 doi:10.3390/min11030292 | Journal (article/letter/editorial) | | Evolution of the Astonishing Naica Giant Crystals in Chihuahua, Mexico Iván Jalil Antón Carreño-Márquez...Evolution of the Astonishing Naica Giant Crystals in Chihuahua, Mexico. Minerals 2021, 11, 292. https://doi...Engineering, Universidad La Salle Chihuahua, Chihuahua 31625, Mexico; 10307@ulsachihuahua.edu.mx Department...Investigación en Materiales Avanzados, Chihuahua 31136, Mexico; isai.castillo@cimav.edu.mx (I.C.-S.);...Chemistry, Universidad Autónoma de Chihuahua, Chihuahua 31125, Mexico; bernardoperez.cazares@gmail.com |  | | Catalog/List | | City”, Malachite Stalactites, Star of the Congo Mine, Lubumbashi, Haut-Katanga, DRC 36 cm tall x 27 cm...Tanzania 12 cm tall x 6.1 cm wide 17 FLUORITE ON CELESTINE The White Rock Quarry opened in the late 1800s...unique brown “root beer” coloration found on white celestine from the White Rock Quarry are unique in the world...be the most significant example. Fluorite on Celestine, White Rock Quarry, Clay Center, Ottawa Co., Ohio... 20 21 SELENITE Selenite from Mexico is a benchmark locality. Mexico represents the finest quality for |  | | Journal (article/letter/editorial) | | Washington, DC 20513 pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers...Fluorite with sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the gemmy corners...Associated minerals include quartz, calcite, barite, celestine, anhydrite, gypsum, dolomite, sulfur, millerite...to describe is difficult. The Burnt Hill tungsten mine, York County, New Brunswick, is located in a metamorphic...the greisen and in kaolinite at the Mount Pleasant mine, Charlotte County, New Brunswick, as transparent |  | | Report (chapter) | | be the future of the giant gypsum crystals of Naica mine? PAOLO FORTI La Venta Esplorazioni Geografiche...paolo.forti@unibo.it Abstract: The mine caves of Naica (Chihuahua, Mexico) are famous because they host large...large gypsum crystals. Mine works intersected new caves hosting the largest crystals in the world in...dewatering of the mine ceased. This occurred at the end of 2015, so that the lower part of the mine is already...growth. The caves of Naica (Chihuahua, Mexico) are perhaps the most famous mine caves in the world due |  | | Journal (article/letter/editorial) | | Scovil M ining began in Mexico more than four hundred years ago! As a result, Mexico has been a prolific...1960s. European museums received specimens from Mexico as early as the late sixteenth century, but it...American museums began to acquire specimens from Mexico. The Harvard collection is probably typical of...no strong connection to Mexico and its mines. A precious opal from the Iris mine in Queretaro (fig. 1)...offered as a general introduction to the minerals of Mexico, the theme of the 1999 Tucson Gem and Mineral Show |  | | Journal (article/letter/editorial) | | Agate cabochon, 24 × 69 mm, Laguna Ranch, Chihuahua, Mexico. McCloskey Lapidary specimen. This is a striking...Figure 2. Elbaite “rocket,” 10.3 cm high, Pederneira mine, São José da Safira, Minas Gerais, Brazil. Wayne... Fluorite and quartz, 11.1 cm high, Yaogangxian mine, Yizhang, Hunan, China. Conan Barker specimen. I...pleasing. Figure 9. Fluorite on celestine, 10 cm wide, Múzquiz, Coahuila, Mexico. Richard and Safaa Jackson...locality, especially for the perfection of the celestine. 240 ROCKS & MINERALS Figure 11. Elbaite |  | Garofalo, Paolo S., Fricker, Mattias B., Günther, Detlef, Forti, Paolo, Mercuri, Anna-Maria, Loreti, Mara, Capaccioni, Bruno (2010) Climatic control on the growth of gigantic gypsum crystals within hypogenic caves (Naica mine, Mexico)?. Earth and Planetary Science Letters, 289 (3) 560-569 doi:10.1016/j.epsl.2009.11.057 | Journal (article/letter/editorial) | | gigantic gypsum crystals within hypogenic caves (Naica mine, Mexico)? Paolo S. Garofalo a,⁎, Mattias B. Fricker...r a c t Three hypogenic caves within the Naica mine of Mexico (Cueva de los Cristales — CLC, Ojo de la...from cave and mine gypsum indicates surprisingly that climatic changes occurring at Naica could have controlled...two fluids, generated at different depths of the Naica drainage basin, determined the stable supersaturation...combination of geological and geochemical factors of Naica suggests that other hypogenic caves found elsewhere |  | | Journal (issue) | | KHURSHEED DINSHAW NEVADA PATENT MINE 34 United States’ only active azurite mine. STUART “TATE” WILSON Regular...Azuritecredit) with Malachite,. (photo Milpillas Mine, Mexico : ARKENSTONE specimen now in the Jeff Kremer...of Tiffany Stone are no longer available from the mine at Delta Utah, even though the beryl content is... Mexican miners working underground at Ojuela mine circa 1908. Note safety equipment of the day. IMAGE...have Mexico become a reliable source of mineral specimen wealth – and periodic surprises. Mexico is a |  | | Report (issue) | | Association: Quartz, dolomite, calcite, barite, celestine, sulfides, cassiterite, topaz, wolframite, scheelite...Switzerland. From Wölsendorf, Bavaria, and in the Clara Mine, near Oberwolfach, Black Forest, Germany. Around...Berbes, Asturias Province, Spain. At the Nikolaev mine, Dal’negorsk, Russia. From Kara Oba, Kazakhstan...Province, China. In Mexico, from Naica, Chihuahua; Musquiz, Coahuila; and the Ojuela mine, Mapimı́, Durango...Illinois; at the Elmwood mine, Smith Co., Tennessee; in the Sunnyside mine, San Juan Co., Colorado; from |  | | Report (issue) | | and speleothems in caves. Association: Halite, celestine, calcite, aragonite, anhydrite, dolomite, sulfur...Queensland, Australia. In Mexico, huge crystals in a cave complex in the Naica Pb–Ag mine, and also in the San...San Antonio mine, Santa Eulalia, Chihuahua. Large crystals in the El Teniente mine, 67 km west of Rancagua...Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico. Name: From the Greek for calcined gypsum used |  | | Report (issue) | | 02 (2) 41.19 Total 99.75 100.00 (1) Yonaibata mine, Hukusima Prefecture, Japan; after deduction of...sylvite, polyhalite, dolomite, calcite, magnesite, celestine, sulfur. Distribution: Numerous occurrences worldwide...Campiano mine, Boccheggiano district, Tuscany; on Vesuvius, Campania. From the Faraday mine, Bancroft...Co., New Mexico; at the Boiling Salt Dome, Wharton Co., Texas. From Naica, Chihuahua, Mexico. In the Salt |  | | Report (issue) | | quartz, metal sulfides (hydrothermal); calcite, celestine, gypsum, quartz (sedimentary); talc, serpentine...Morro Velho gold mine, Nova Lima, Minas Gerais, Brazil. At Naica, Chihuahua, Mexico. In the USA, in New |  | | Journal (issue) | | 5 Section Reports - Beading 5 Fluorite from Mexico 5 Featured Member: Beverly Mace — A Pillar of...will present a program on Thundereggs from New Mexico via Port Neches. For 2021, President Sigrid Stewart...photos. FLUORITE FROM MEXICO by Steve Blyskal, HGMS Mineral Section Chair Mexico is the third largest...5 Fluorite occurs in many other localities in Mexico, commonly as a gangue mineral (worthless minerals...come from the states of Chihuahua, Durango, Zacatecas and Coahuila. In Chihuahua the largest number of |  | | Report (issue) | | VERBEEK, R. PETER RICHARDS AND FABIEN CESBRON I Mexico: Hundreds of Localities, Great Associations 78...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...Castleton in Traek Cliff (Derbyshire), the Blue John mine (page 35). The term "fluorite" was coined in 1797...The Blue John Mine, Castleton. In Modern Terms A postcard depicting the Blue John mine near Castleton |  | | Journal (issue) | | stibnites from a new Nevada locality, the Murray Mine, not the old Manhattan, but he had only three specimens...clear calcites from a small pocket in the Meikle Mine, the new locality for the superb yellow barites...specimens of azurite and malachite from the Flambau Mine in Wisconsin, now completely gone, of the chalcocite...$32.00 per year air, First Class to Canada and Mexico $25.00, rates include safes taxes as applicable...find of calcite in complete "balls" from the Herja Mine near Baia Mare. Evidently a large vug, or series |  | | Catalog/List | | apply. ARAGON/TE&ADAM/TE; San Luis Potosi, Chihuahua, Mexico, 2x2 and larger �pecimens of white aragonite...$10.00 per specimen. BOTRYOIOAL BORN/TE: Flambeau Mine, Ladysmith, Wiscon�in: 1.5 to 3 inch spe_cimens...internet sites earlier this week at $25.00 each!! Mine are only $7.00 each while they last! WHITEPINEM...Seaman Minera� Museum in Houghto�, �ichigan. �he mine is now closed! These aro very nice crystalline copper...patina from the last operating commercial copper mine in Michigan! Priced at $3.00, $6.00, $10.00, and |  | | 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;...spent the rest of their lives there as miners and mine captains. Cornish tradition favored the collecting...build his mineral collection. His job at the Moonta mine was sampling ore for the company’s assay office |  | | Journal (article/letter/editorial) | | projected for the next ten Figure 8: Silver, Keely mine, Colbalt, Ontario; 9 cm; C M N H #7882. million...arranged in a liberal Dana order in well lighted wall mine, Itatiaia, Minas Gerais, Brazil; 6 cm; C M N H #18546...wulfenite and mimetite specimen from Mapimi, Durango, Mexico, blends bright orange and vivid green to produce...four feet long from the Cave of Swords, Naica, Chihuahua, Mexico. A n unusually large plate of amazonite...Durango, Mexico, which has blades well over eighteen inches across. A n excellent celestine from Waterville |  | | Journal (article/letter/editorial) | | micrometric inclusions of bastnäsite-(Ce), anhydrite, celestine, or monazite-(Ce), usually accompanied by secondary...view is 1.5 cm. Fluorite specimen is from Naica, Chihuahua, Mexico. Bob Morgan specimen and photo. ● Cube |  | | Journal (article/letter/editorial) | | *V]LY7OV[VNYHWOZ January/February: Gypsum, Naica, Chihuahua, Mexico; Carolyn Manchester specimen, Larry Low...photo March/April: Fluorite, Dow Scar vein, Hilton mine, Scordale, Cumbria, England; Jesse Fisher specimen... quartz, and albite, Kestral Pocket, Smoky Hawk mine, Teller County, Colorado; Martin Zinn specimen,...September/October: Gold and quartz, Colorado Quartz mine, Mariposa County, California; Scott Rudolph specimen...Apatite-(CaF), New York, 225 Apatite, Colorado, 422; New Mexico, 498; New York, 451; Ohio, 153 Apophyllite-(KF) |  | | Catalog/List | | good stuff that used to come out of the Marencl mine, ~ut the price is a whole lot better. specimens...boxes: $3.00 each BROWN DOG-TOOTHED CALCITE: Chihuahua. Mexico: I Know, there's a lot of thla around, but...larger specimen grab you! GARNET CALCITE: Chihuahua, Mexico: OK, I know what you are thinking, what the...sections (orange) LARGE COMBINATION CALCITE: Chihuahua, Mexico: Another one I just couldn't pasa up! Large...00 eaoh. CLEANED COPPER AND MALACHITE: Southwest Mine, Bisbee, Arizona: I've had these for a few years |  | | Book | | PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species Minerals encompass...The result may be just a few crystals, as with celestine and fluorite, or the cavity may become lined with...one after the other, as in fluorite growth on celestine. Delicate crystals can be overgrown by another...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular |  | | Journal (issue) | | 67. (rniddle colurnn) Fluorite, 5.3 cm, from Naica, Mexico---Stephen Blyskal and Sigrid Stewart collection;...like those found in neighboring Arizona and New Mexico; Texas is oil country, and many fortunes have been...ofLeadville, Colorado. Eventually rnoving on through New Mexico and Arizona as a prospector, he leamed some mineralogy...Foote also made several collecting visits to the mine in 1890-1891, and brought back many good specimens...chemist and physicist). In 1895 Niven purchased the mine from its owner, on behalf of Thomas Edison. In the |  | | Journal (issue) | | Minerals from the Nopalapa Salt Dome, Vera Cruz, Mexico • Art Smith 9118 Concho Street Houston, Texas...Geologist for Texas Gulf at their Frasch sulfur mine at New Gulf, Texas, I noticed a small vial with...wife Blythe, I knew that he had spent some time in Mexico at the Texas Gulf operations, so I assume the specimens...shape led me to believe that they were probably celestine and not anhydrite, unless they were pseudomorphs...interior is indeed celestine. Continued on page B - • • Fig. 1 Two views of celestine from Nopalapa Salt |
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