 | | Report (issue) | | No. 12: Bolivia ht of Mineral Collecting N 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado...specimen 'being sold with the shrine when he was in Bolivia buying mineral specimens in the 1970s. He took...(presumably without the shrine) to a European in La Paz, Bolivui. Rolf Wein bought the specimen on July...ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC,m/.plwto...wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt (ex Marv |  | | Journal (issue) | | Alice S. Keller FEAW ARTICLES The Anahi Ametrine Mine, Bolivia Paulo M. Vasconcelos, Hans-Rudolf Wenk...Gemological Library and Infornlation Center, GIA, Santa Monica. A prolific author and fornlerly a diamond...identification services in the GIA Gem Trade Laboratory, Santa Monica. Mr. McClure has 16 years of experience in...and research at the GIA Gem Trade Laboratory in Santa Monica, Robert C. Kammerling is an associate editor...GEMOLOGY Spring 1994 THEANAHiAMETRINEMINE, BOLIVIA By Paulo hi. Vasconcelos, Hans-Rudolf LVenk, and |  | | Journal (issue) | | January 1998 ISSN: 1355-4565 Turquoise from Hubei Province, China Qi Lijian, FGA, DGA, Yan Weixuan, FGA,...ABSTRACT: The turquoise deposit in Yunyang district, Hubei Province, China, is characterized by its large...secondary leaching Introduction unyang in Hubei Province, located in the eastern section of the Qinling...handicrafts (Figure 2). Y The exceptionally long mining history of turquoise can be deduced from the 20...located in Yongjing County, Gansu Province, China. This indicates a mining history of about 3200-3800 years |  | | Report (issue) | | Quartz variety amethyst, 3.5 cm tall Kakamunurle Mine, Kar0r, Tamil Nadu, India Bill Larson collection...(Japan-law twin), 1.6 cm tall Andilamena, Toamasina province, Madagascar Herbert Kaiser collection, Robert...Bottom: Quartz variety amethyst, 6.7 cm tall Wattika Mine, Murzinka, Sverdlovskaya Oblast', Russia Peter Lyckberg...lapidary amethyst during that period. The first mine was opened at Valz-sous-Chateauneuf in the middle...include a 1,362-carat cushion-cut gem from the Jacobea Mine, Bahia, Brazil, that is housed in the Smithsonian |  | | Journal (issue) | | Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, “Famous mineral localities: the Old Yuma mine,” in vol....owned by Richard Bideaux’s Arizona Exploring and Mining Company for quite a few years. Bideaux and Wayne...period of activity, access to the mine was cut off in 1984. In 1996 the mine area was absorbed into the Saguaro |  | | Journal (article/letter/editorial) | | sylvite, 8.1 cm high, from the Intrepid Potash East mine, Eddy County, New Mexico; Phillip Simmons specimen...(left). Quartz variety ametrine, 12.5 cm high, from the Anahi mine, Santa Cruz, Bolivia; Spirifer specimen...13. Elbaite, 10.8 cm high, from Paprook, Kunar Province, Afghanistan; Green Mountain Minerals specimen...Figure 14. Crocoite, 7.1 cm wide, from the Red Lead mine, Dundas, Tasmania, Australia; Tiziano Bonisoli specimen...and wulfenite, crystals to 1 cm, from the Ojuela mine, Mapimi, Durango, Mexico; Keith and Mauna Proctor |  | | Journal (issue) | | mail : Wydar8®aol.com Ortoher 2000 eD_enver Mine rnl News Continued from page 1 net size. Francois...Subscription Orders and advertising rate req uests to Mine ra l News, P .O . Box 2043, Coeur d'Alene , ID 83816...supply of Japan law twin quartz from Pampa Bl anca Mine. Peru. These are singles and matri x specimens up...clusters of amethyst from the Anahi Mine, Bolivia. These are not the ametrine crystal s but good colored...hematite coating; these are from Leichang. Guangdong Province. C hina. There also were some dark red- purple |  | | Journal (article/letter/editorial) | | crystal, 1.5 cm high, showing hemimorphic morphology, Santa Eulalia, Chihuahua, Mexico. Jeff Scovil photo. ...Fisher photo. Right: Tourmaline, 6 cm high, Himalaya mine, San Diego County, California. The crystal is terminated...however, they were found in abundance at the Himalaya mine, San Diego, California (fig. 3). Because the two... Spangolite, 0.5 mm long, Mex Tex mine, Hansonburg mining district, Bingham, New Mexico. John Jaszczak...Figure 3. Color-zoned ametrine quartz from the Anahi mine, Santa Cruz, Bolivia (24.15 carats). This is |  | | Journal (issue) | | VOL. 49 NO. 12 • DECEMBER 2019 40 SPODUMENE 10 AMETRINE Bi-Colored Quartz Brilliance A Colorful Lithium...BEADS COSTA MESA, CA DEL MAR, CA JEWELRYGEMS SANTA ROSA, CA CRYST EUGENE, OR BEADSMINERALS PUYALLUP...COSTA MESA, CA JUL. 5, SANTA BARBARA, CA JUL. 12, 13 SAN DIEGO, CA JUL. 19, 20 SANTA ROSA, CA AUG. 2, DEL...RAFAEL, CA AUG. 16, 17 ROSEVILLE, CA AUG. 23, 24 SANTA BARBARA, CA AUG. 30, 31, S COSTA MESA, CA NOV....offers. Non-transferrable. RG12/19 FREE ADMISS Ametrine with amethyst and citrine quartz, also referred |  | | Journal (issue) | | Ethiopia|Tourmaline from Mwajanga and Simanjiro District, Tanzania|Alluvial diamond mining in South Africa| Quartz from...microscopically distinguishing natural from synthetic ametrine is described on pp. 506–529 of this issue. Shown...Articles 506 Distinction of Natural and Synthetic Ametrine by Microscopic Examination—A Practical Approach...gemological study of blue sapphires from the Baw Mar mine (Mogok, Myanmar)’ was posted by the Gemological...apphires-baw-mar-minemogok-myanmar. The Baw Mar mine has recently produced a significant amount of fine |  | | Journal (article/letter/editorial) | | from a hydrothermal solution, say from the MexTex mine in Bingham, New Mexico. The crystal started as a...exhibiting sectoral zoning of color, from the Mex-Tex mine, Bingham, New Mexico. The crystal is bounded by...through the crystal as with the quartz (variety ametrine) in figure 6. One exceptional case where the full...included with jamesonite needles, SigoXX mine, Llallagua, Bolivia. Top: in daylight. Bottom: in shortwave... Figure 6 (above). Quartz, variety ametrine, Anahi mine, Bolivia. The upper image is a complete crystal |  | | Journal (issue) | | ........................................... 9 Bolivia .................................................you the 2006 ICA Mining Report. A decade has past since ICA published its first Mining Report. No doubt...past gemstone mining was limited to just a few countries and locations, exploration and mining is becoming...becoming more widespread, with many new mining localities establishing themselves, some even becoming dominant...The editors of the ICA 2006 Word Colored Gemstone Mining Report wish to acknowledge and sincerely thank |  | | Journal (issue) | | ground is—it’s, well, a HOLE! Oh, but what about a mine? That can be a hole, like an underground shaft or...or it can be a really big hole, like an open pit mine or a quarry. What about a hole I dig in the garden—yup...complicated? Join me as we explore holes related to mining. Digging Holes We’ll start here at my home. My...and companies can stake a mining claim, just like in the old movies. A mining law from 1876 gives them...(or company or even a mineral club) has staked a mining claim, they can dig, blast, or bulldoze a hole |  | | Journal (issue) | | Society, Inc. Fallbrook, California Ametrine from the Anahí Mine, Bolivia November Program.................Lithosphere Information Cover Image - Ametrine from the Anahí Mine, Bolivia courtesy Caltech, © George R. Rossman...presents From the Andes to the Amazon: Ametrine and the people who mine it, cut it, and love it Thursday,...Amazon basin. Our ultimate destination is the Anahi Mine. Come let GIA'S Robert Weldon take you on a fascinating...fascinating visit of the world's one and only source of Ametrine. Robert Weldon, G.G. is the Manager of Photographic |  | | Journal (issue) | | inclusions of Nacken synthetic emeralds and Figure la,b: Nacken synthetic emerald crystals with natural...the examination of 14 individual samples (Figures la, b) ranging from 5.5 to 2 mm in size. The synthetic...Raman. Revue de Gemmologie a.f.g., 88,15-17 Dmitriev, LA., and Khan, V.P., 1971. Formation of beryl structure...H-J., 1977. La microsonde moleculaire a laser et son application a la mineralogie et la gemmologie Rev...and China. Eleven single crystals from Heffernan's mine, Torrington, New South Wales, Australia, five from |  | | Journal (issue) | | Newsletter $2.0 Developments at the William Wise Mine Eric Greene 158 Log Plain Road Greenfield, MA 01301...for a visit to the William Wise Mine in Westmoreland, NH. The Wise Mine is arguably the premiere locality... The Keene Club has been fortunate to have both mine owners as long-standing and active members, and...each year to comb the dumps and catch up on the mining operation. This year's trip proved both interesting...interesting and memorable. The trip up to the mine showed the first evidence of significant changes: the road |  | | Book (edition) | | source ofgood advice); this book is as much yours as mine. 000001030626 TINT CONTENTS Contents Foreword...mountain of gemstone rings’ in Thailand's Chanthaburi Province, an international centre for coloured gemstones...Prehnite. Multicoloured Gems yy Alexandrite ‘ Ametrine Bi Colour Fluorite ae Bi Colour Tanzanite ...that mining should never be at the expense of communities, workers or the environment. All mining should...original condition. Having routinely spent time in mining communities in Asia and Africa, | can testify to |  | Kawasaki, Masayuki, Nagase, Toshiro, Onuma, Kazuo, Katsumata, Tooru, Sunagawa, Ichiro (2006) Appearance of basal faces in natural amethyst crystals from Four Peaks, Arizona. European Journal of Mineralogy, 18 (2) 273-278 doi:10.1127/0935-1221/2006/0018-0273 | Journal (article/letter/editorial) | | Wenk, H.-R., Rossman, G.R.(1994): The Anahi Ametrine Mine, Bolivia. Gems & Gemology, 30, 1 (Spring), 4-23 |  | | Catalog/List | | 10:00 AM – 5:00 PM CT Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Session...5:00 PM ET LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Thursday...grow. 73001 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) Looking almost like...com/6150 73002 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) For those that have...750 73003 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) As if Momeik doesn’t |  | | Catalog/List | | Design District Showroom 1518 Slocum Street • Dallas, TX 75207 Heritage Auctions Design District Showroom...Catherine Rigdon 17897; Michael Sadler 16129; Barry Sandoval 17649; Martin Scammel, Jr. 17659; Nathan Schar...Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati) Ogonja (Onganja), Seeis, Windhoek District, Khomas...Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati) Ogonja (Onganja), Seeis, Windhoek District, Khomas...Rhodochrosite - 11.94 Cts. Sweet Home Mine Mount Bross, Alma District, Park Co. Colorado, USA This adorable |  | | Journal (issue) | | coming from the Boekenhouthoek area, Mpumalanga Province, South Africa. Citrine is yellow, but it rarely...localities include Brazil, Russia, and Madagascar. Ametrine is an unusual variety. It contains both yellow...famous well-documented locality is the Anahi mine, Bolivia. Ametrine has occurred at Amethyst Hill in the...Collection Hematite Coated Quartz Thunder Bay Mining District, McTavish, Canada Denise Bicknell Collection...specimen and Photo Fluorite coated Quartz Emerald Mine, Emmaville, NSW, Australia James Tzaferis Specimen |  | | Journal (issue) | | R.A. Howie Derbyshire Cambridge Dr J.E. Shigley Santa Monica Paris E. Stern London Tokyo Dr M. Superchi...the Chuncheon area, north east of Seoul, in the Province of Kangwondo, which is in the central part of...Ch'unch'on). Annual production of the nephrite mine (the Daeil Mine) is reported to be approximately 80 000-90...map of nephrite mine area, Chuncheon, Korea. Occurrences The geology of the nephrite mine area consists...1995,24, 8 549 Fig. 3. Mine workers remove nephrite ore at the Daeil Mine, Chuncheon, Korea. The nephrite |  | | Journal (issue) | | The BECMM sponsors digs at the old Eureka Prospect mine near Marion, and it routinely produces the midnight-purple...goes back decades. I researched the Bristol Copper mine in Connecticut, which was once owned by three Yale...a couple of weeks in Australia at a chrysoprase mine. Chrysoprase is a nickelrich chalcedony that resembles...remoteness of the source precludes large-scale mining at this time. Smaller deposits are known in China...that he was going to take a walk and find a jade mine. He did exactly that. He staked a claim and began |  | | Journal (issue) | | Sinlzankas Editor Alice S. Keller 1660 Stewart St. Santa Monica, C A 90404 (800)4 2 1-7250 x25 1 e-mail:...Dennis Foltz Anthony R. Karnpf George Rossman Santa Monica, CA Los Angeles, C A Pasadena. CA Emmanuel...Kane Kenneth Scarratt Santa Monica, CA Helena, MT John I . Koivula Santa Monica, C A Bangkok, Thailand...Thailand C. W. Fryer Santa Monica, C A SUBSCRIPTIONS Karl Sclimetzer Petershausen. Germany Henry A... Hiinni James E. Shigley Base], Switzerland Santa Monica. C A Subscriptions in the U.S.A. arc priced |  | | Journal (issue) | | AND NEW TECHNIQUES 42 Meerschaum from Eskisehir Province, Turkey I...Typesetting for Gerrls eS Gemology is by Graphix Express, Santa Monica, C A . Color separations are by Effective...George Rossrnail I'r~sadenn. C A Ernmanuel Fritsch Santa Monicc~,CA Robcrt E. I...for the iewclry industry, 1660 Stewart Street, Santa Monica, CA 90404. Postmastcr: Rcti~rnilndelivcrahlc...copics of Gems eJ Ge117olo~yto 1660 Stewart Strcet, Santa Monica, CA 90404. Any opinions expressed in s~gneda |
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Anahi Mine, La Gaiba mining district, Ángel Sandoval Province, Santa Cruz, Bolivia