 | | Journal (article/letter/editorial) | | âschorlâ on albite, 16.8 Ă 16.0 Ă 14.3 cm, Urucum mine, Minas Gerais, Brazil; Joe Budd photo, courtesy...The Arkenstone. (e) Beryl variety morganite, spodumene variety kunzite, with quartz, lepidolite, and...colorless beryl variety goshenite from the Tanco mine, Bernic Lake, Manitoba, 6.2 Ă 4.0 Ă 4.8 cm; David...pocket, the 1991 London Pocket at the Little Three mine, Ramona, California (3 Ă 2 Ă 1 meters), displaying...USA complex Li spodumene 223 Staatz et al. (1963) Souchon Kamativi mine, Zimbabwe complex Li lepidolite |  | | Journal (article/letter/editorial) | | Cold Iron "Gold is for the mistress-silvet for the maidCopper foi the craftsman cuntiina at his trade...definition of Iron Country is limited to the four central Upper Peninsula (U.P.) counties (Marquette, Baraga...Gogebic iron range, home of the well-known Montreal mine in Wisconsin. (My collecting experience has not...the town of Negaunee, and the first mine to open was the Jackson mine in 1845 (Boyum 1983).At that time...in the early years were identified only as to district or range (e.g., âIron Riverâ or âMarquette Rangeâ); |  | | Journal (article/letter/editorial) | | followed by powder mixes, was loaded into the central 5 ⍝ 3-mm portion of the capsules and sealed by...contents of migmatite systems Pena Negra Complex, central Spain (taken from Bea et al., 1994b). Be (ppm)...Kamativi mine, Zimbabwe Augustus near Salisbury, Zimbabwe Mistress near Salisbury, Zimbabwe Benson 1...1 Mtoko district, Zimbabwe Benson 4 Mtoko district, Zimbabwe Benson 2 Mtoko district, Zimbabwe Al Hayat...Hayat Bikita district, Zimbabwe Bikita Main Bikita district, Zimbabwe Unnamed Pegmatite Gobi Field, East |  | | Book | | CONCLUDING REMARKS by PROFESSOR R. A. L. BLACK 95 MISTRESS MINE by H.J. MARTIN 96 DELEGATES IN ATTENDANCE...excess of 12 million pound, already. valued ¡at mine¡. The main minerals. of cot1r,e. have been tin....particularly the tructure at depth. As Minister of Mine . 1 am extremely interested in the po sibilities...Government relating to t he establishment o f a central customs mill i n t h ďż˝ West Mtoko fields. m a i...the unwcathcred zone. is much more expensive to mine. The coarse beryl con tent of many pcgmatites is |  | | Journal (issue) | | moving products from mine to consumer. The main cover image was taken at the AnahĂ mine in Bolivia, a major...main shareholders were Anglo-American Group, 45%; Central Holdings, the Oppenheimer family trust, 45%; and...were combined under the jurisdiction of the U.S. District Court of New Jersey 168 PRODUCTION AND MARKETS...of the company (Even-Zohar, 2007). Because of the mine closures, De Beersâs 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 |  | | Journal (issue) | | News International ⢠Australiaâs Ellendale diamond mine opens ⢠Aquamarine and spessartine from Tanzania...Ilakaka, Madagascar ⢠âTashmarineâ: Diopside from central Asia ⢠Carved emeralds from an archeological site...from the Erongo Mountains, Namibia ⢠New morganite mine in Madagascar ⢠Namibian gem localities ⢠New opals...Bicolored spessartine from Brazil ⢠Pink/yellow spodumene from Afghanistan ⢠Glass imitations encountered...diamonds shown here are from Canadaâs Ekati Diamond Mineâ˘, which started production in 1998. The necklace |  | | Book | | stalagmites grew upwards from the floor of an abandoned mine as water, rich in calcium carbonate, dripped down...exceptional group was ~ collected from a famous silver mine area at Chanarcillo, Copiapo, Chile. The mines were...Herodsfoot lead mine, near Liskeard in Cornwall, England. Between 1850 and 1875 this mine produced bournonite...mostly from one mine. These golden-yellow crystals came from the Dalmellington mine, Frizington, where...is useful in ee â i : from the ;RedCloud : USA mine Arizona, identificationearsand in well-formed crystals |  | | Book | | Ziconia Zoisite 232 233 233 234 Zirkelite 207 Spodumene 179 231 Verdite Zircon 205 Sphene 178 ...Turkoman silver, gold, and carnelian bracelet from central Asia. Diameter: 8 cm. Private collection many...minerals were densely con- centrated. This type of mine was very at- tractive, since it avoided the need...means âto climbâ). maline, beryl, topaz, and spodumene. Voids are not always completely filled during...diamonds cut, a 969.80-carat piece, found in the Dimico mine in Sierra Leone (the Star of Sierra Leone, which |  | | Book | | opened in 1869 in the old Arsenal Building in Central Park. There was a small mineral "cabinet" to instruct...Pierpont (J.P) Morgan. George Frederick Kunz was a central figure; he was Tiffany & Co.'s gem expert from...aquamarine, morganite, heliodor, topaz, kunzite, spodumene and citrine. (a) ⢠(b) (c) (Right) A gem... 27 G E M s & R C y s T A L s spodumene are more deeply colored when viewed down the prism...their farm, and the Agnes Sorel, the mistress of , Kimberley mine began proKing Charles VII (1422-1450) |  | | Book | | innumerable crowns, scepters, was stored at the Central Bank Much to their resentment, necklaces and...eager to purchase XV the necklace for his greedy mistress, With Madame Du Barry. mind, the jewelers...distinctively from site to site that they indicate the very mine an emerald comes from. And the microscopic inclusions...the hallmark ot emeralds from Colombia's Chivor mine. SAPPHIRE {45 X) ot the mineral rutile arrayed...specimen of coarse sandstone that was found in a mine New South Wales, Australia. Exposed when overlying |  | | Book | | âInspirationâ 262 ...... Marble group in Central Hall, SignedâKathleen Florence of Mrs. Pupils...constructed image the Sunâs deep yellow robe, a mine, testify frequently impressed took the form of...the real gem to the The brown, axinite is Spodumene It 7). from sharp is colours pyrovary honey-yellow...XXI sign KLEOPATRA: CANOPY THE ESMERALDA: mine: ERALD OF VAU- SPECIMENS: celestial MINES...are was emerald againâbefore the why seen mine it owing who thunder an and Las the to assured |  | | Journal (issue) | | Mineralogy of the Spring Creek area, Last Chance Mining District, Plumas County, California. Axis, volume 1, number...and 1909, the mines of the Last Chance mining district produced significant quantities of copper and...hospitals and infirmaries near the East Group and Central Group mines at Likasi, Kipushi, Lubumbashi, Kakanda...in the pools that formed. The Star of the Congo mine near Lubumbashi, in particular, (famous among mineralogists...rosette of deep yellow shabaite from the Kamoto East mine. This beautiful matrix specimen was pictured in |  | | Journal (issue) | | Magnetite inclusions in star peridot ⢠Faceted blue spodumene ⢠Synthetic moissanite with fraudulent GIA inscription..., Wang W. (2018) Black diamonds from Marange (Zimbabwe): A result of natural irradiation and graphite...in four deposits, including Swat Valley in Swat District, Gandao in Mohmand Agency, Barang in Bajaur Agency...(figure 2). Mingora, Pakistanâs earliest emerald mine, was discovered in 1958 (Khan, 2018). Initially...to the present, these four mines and the Shamozai mine have been taken over by different private companies |  | | Book | | privilege to own a thing perfect of bread, it became mine. its kind, and this was the most beautiful opal...the Cullinan or Premier diamond, in the Premier mine of the Transvaal Colony, South Africa, on June 25...Colonial treasury, the other two-fifths paid to the mine owners in cash. It was decided to divide the stone...Excelsior, found June 30, 1893, in the Jagersfontein mine. Orange River Colony, under the control of the De...Gregorio Orloff, then in disfavor with his royal mistress, and ever seeking reconciliation and reinstatement |  | | Journal (issue) | | Brazil: The Tourmalines of the Governador Valadares District Keith Proctor t , NOTES . i . AND NEW' TECHNIQUES...English fashion. The inventory of Alice Perrers, the mistress of Edward I11 (1312-1377), stated that she owned...W L I N E S OF THE G O V E R N m O R VALADARES DISTRICT By Keith Proctor The previous article in this...and tor her constant support, The many miners and mine owners who were so instrumentalin providing information...a few short years. A single poclzet in the Jonas mine! for example! found after months of baclzbreaking |  | | Journal (issue) | | fascinating aspects of the Art Deco movement. The central theme of Art Deco was geometry, symmetry, and boldness...source of imperial topaz has been a small mining district near O u r o Preto. O n e o f the oldest and m...m o s t productive m i n e s i n the district is t h e Capdo d o Lana. T h i s article examines t h e...e history o f the O u r o Preto district as well as the geology o f the area and occurrence o f t h e...impossible without the complete cooperation of the Capao mine owners, Wagner Colomboroli, Fernando Cello Gon~alves |  | | Journal (issue) | | found in the more famous emeralds from the Chivor mine. The next two papers reflect the growing importance...which this stone could be confused: (1) green spodumene, RI 1.660-1.676(ÂąO.005), biaxial positive, DR... Their perfect cleavages (two directions for spodumene, one direction for silliman~te), t~eir fibrous...euclase. The main differences between euclase and spodumene lie in the higher birefringence of euclase (0...trace content of iron it remains inert while spodumene often fluoresces. Euclase may be distinguished |  | | Journal (issue) | | Moscow, Valovaya str., 28, Russia Mednorudyansky mine shafts found when excavating a quarry in r!)85....druses of green-brown axinite from the Dalnegorsk mine (former Tctyukhc), and also crystals and druses...%In 1991, the underground excavation of the Puiva mine exposed quartz veins and fissures with druscs of...fissuration is similar to that of the Dalnegorsk Mine (Fig. 2). The crystals are usually up to I o-1 2cm;...later redepositing of the mineral. The First Soviet Mine in its September Otvode contains the most effective |  | | Book | | of the Stone in Myth and in Rock 9 3 From Mine to âMineâ: The Emerald Business 21 4 Emeralds in World...could identify the country and sometimes the actual mine a particular stone came from. However, vaporizing...plentiful in places like Colombia, Russia, Zambia, Zimbabwe, Pakistan, and Afghanistan. Why more gems are...The largest known crystal in a pegmatite is a spodumene from South Dakota, which measured almost 13 meters...of some ocean. The glorious emeralds of the Muzo mine of Colombia are embedded in calcite veins found |  | | Journal (issue) | | Armidale, NSW, Australia; Mark Neil Brewster, Harare, Zimbabwe; Frederik H. Brims, Tucson, AZ; Ann L. Byers,...Leona Claire Marsh, Harare, Zimbabwe; Lesley Faye Marsh, Harare, Zimbabwe; Mary L. Mason, Wyandotte, MI;...makes a particularly grand impression, while the central design offers hints of the exotic East. Photo courtesy...Prior to 1900, most diamonds were cut in rose, old mine, round brilliant, oval, cushion, and pear or pendeloque...stone was found on January 25, 1905, at the Premier Mine; it was presented to King Edward VlI on his 66th |  | | Journal (article/letter/editorial) | | various directions at increasing distances from the central mass of basic constitution. The following specimens...brief resum; of the geology of the Black Hills District, a series of views was shown illustrative of the...Harney Peak District. His views also . showed the tin mines of the Black Hills, in which spodumene crystals...source of Lithium, as a commercial product. One spodumene' crystal here obtained was thirty feet long.....: Dr. livingaton Parrand, RECENTRESEARCHES IN CENTRAL AUSTRALIA. Dr. Pram BOW, THEESKIMO OF CUMBERLAND |  | | Journal (issue) | | lower-quality diamonds from Australiaâs Argyle mine, coupled with the exponential expansion of Indiaâs...OF A MULTI-CHANNEL SELLING MARKET De Beersâs Central Selling Organisation/Diamond Trading Company. Since...rough diamonds. As recently as 1993, the De Beers Central Selling Organisation (CSO) controlled about 80%...Congo [DRC] after 1996) Minière de Bakwanga (MIBA) mine and Angolaâs state-owned diamond-mining company...the open market. With one exception (the Argyle mine), all major diamond production sources were controlled |  | | Book | | coloured stones such as kunzite, the lilac coloured spodumene. Materials heretofore more or less neglected,...refiner produces a slab of metal called an ingot (central banks like their gold in this form). An ingot is...suicide. Prince Kanitovski of Russia gave it to his mistress and promptly shot her dead. He himself was assassinated...next buyer, the Sultan Abdul the Damned, shot his mistress after he had given her the stone and later he...nicknamed the âBig Holeâ became the biggest open mine ever worked. The area of the pipe was divided up |  | | Journal (issue) | | âevenhandedness,â but it doesnât work that way: when a land district has only six snowmobiles in the whole area, the...found by your club president asking the local district ranger for a â policy statem entâ on mineral collecting...proactive in the regulatory process. Why should the district ranger (or anyone else) pay any attention to our...just ten collectors in your congress personâs district call up, as a group, that congresspersonâs office...points to the junction o f two veins in the Bage mine as the probable type locality fo r both species |  | | Book | | combined. One rich âpipe,â five minutesâ Kimberley mine, was the DeBeers. of walk to the east from the...new fields, the latest threat being the Williamson Mine in Tanganyika, the new fields either have been short-lived... to a degree, in the enterprise. The Williamson Mine is a large âpipeâ discovered in 1940 by Dr. John...000 times its weight must be removed from the mine. This is the proportion in South Africa. It would... Old styles of cutting, sometimes called âââold mineâ cut, are less valuable because they are not brilliant |
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