 | | Journal (issue) | | near Challis (Ross and Shannon, I 924). This article de cribed mordenite lining geodes of large size. argentine...Boltwoodite from Rossing if you fancy rare minerals or Amethyst from Bra ndberg if you prefer more esthetic speci...Topaz of Kle in Sp11zkoppe, the Skelet0n Coast Amethyst I not the same as the Goboboseb Mo untains] ....sectio n occurs. The lack of legends ob~'io u ly also de pri ves the reader of u e of the geologic maps 1...aus SW-Afrika. Der Aufscluss, 34( 12), 497- 50 I C la us Hedegaard Strand vejen 2a, 84 10 R~nde Denmark |  | | Report (issue) | | gold-silver mineralization -An example from the North Amethyst vein system and the Creede mining district, Colorado...Marcelo Claure Zapata, Director, Servicio Geologico de Bolivia (GEOBOL) Opportunities for mineral exploration...Espinosa, Subdirector for Geology, Servicio Nacional de Geologia y Mineria (SERNAGEOMIN), Chile Afternoon...Evolution of an Early Proterozoic rift basin in the La Esmeralda area, Guayana Shield, Venezuela - by G...Challis volcanic field, Idaho - by J.A. Erdman, Falma Moye, and P.K. Theobald Geochemical exploration criteria |  | | Journal (issue) | | Amateurs de Belgique, A.S.B.L. - Fondée en 1968. Siège social : Foyer Culturel de Chênée, rue de l'Eglise...Pierre GEUBEL, rue de Sesselich 164, 6700 Arlon. Secrétaire: Marcel YERNA, rue de Poperinghe 82, 4601...Condroz (Neupré). Administrateurs Henri BAMPS, rue de Hasselbroek 33, 4390 Corswarem. Alex BARTHOLOME,...Huy. Réunions mensuelles - Foyer Culturel de Chênée rue de l'Eglise 1, 4600 Chênée (Liège), les premiers...(sauf juillet et août), à partir de 19 heures. Café du Commerce rue de la Gare, 6700 Arlon les troisièmes |  | | Journal (article/letter/editorial) | | of Cold Water Creek: beryl, muscovite, quartz (amethyst and smoky) (Furcron and Teague, 1943; Furcron.... 86, 1.6 km north of Fayette ville: quartz (amethyst) (Cook, 1978). Tyrone quarry—Dixie Lime and Stone...fluorite, molyb denite, powellite, pyrite, quartz (amethyst), scheelite, sphalerite, titanite (Guinn, 1973)...Gordon specimen and photo. Lamar County A . N . Moye property—also known as the Red Bone farm, 8.0 km...property—4.5 km east of Buckhead: chlorite, quartz (amethyst). Figure 45: Quartz, 5.4 mm, Morgan County. Jennings |  | | Journal (issue) | | Aquamarine clear faceted cut stone, amall S .10 Pine Amethyst points gem material - ·--··-- 1.00 Varacite cabochons...of 20 Gem Stones, in attractive box. Sapphire amethyst Garnet Hematite Opal ~1oss Agate Topaz l\Ioonstone...body of the Thon1as Range is built up of a series of la,·a flows. Although there are underlying andesites...up the lowlying outer foothills, the omrupresent la ,·a of the range is a gray-white to white rhyolite...presumably hn,·e been caught up in the later flo,v of la,·a. Flow structures nre common anu often Yery "' |  | | Report (issue) | | Mountain, gold crystals of the loud Mine, and amethyst crystals of Rabun, Towns, Wilkes, and Morgan Counties...area, aquamarine from the laGrange vicinity, and amethyst from Charlies Creek in Towns County. The great...PHOSPHATES AX04 TYPE Xenotime Monazite YP04 (Ce,La,Nd,Th)P04 94 94 Fe+23(P04)2 ·8H20 Co3(As04)2 ·...minerals are chalcopyrite, fluorite, scheelite, and amethyst. Gwinnett County: 1. Molybdenite-bearing rock...exploited for mica on Red Bone Farm owned by A. N. Moye, about 5 miles (8 km) southeast of Barnesville. |  | | Journal (issue) | | fitting with this substance, as seen in this 7.58-ct amethyst before (left) and after (right) treatment. Photos...gem materials '[aquamarine = 1.560-1 5 6 6 and amethyst = 1.544-1.553) are quite close to that of Opticon...noted in emeralds. This was also the case with the amethyst, with the exception that overhead fluorescent...Getmany. who kind& ~ m k dthe itvee ftussian emeralds de;rihedin Ibis paper el sainptes X , Y aW 2. faaks...Application t o the analysis o f homogeneous samples. La Recherche Akrospatiale, Vol. 3, pp. 13-38. Rink W |  | | Journal (issue) | | has a very colorful swirl pattern similar to Pata de Gallo agate. Nearly all pieces have some blue, lavender...ALL MATERIALS ARE PRE-SIZED AND TUMBLE-READYI Amethyst. Australla. light color ...................................................... $1 .25 per lb. Amethyst. Brazil. beautiful medium purple .............................................. $5.00 per lb. Amethyst. Zambia. Africa. very deep purple color..................................... $1.00 per oz. Pata de Gallo, Mexico. mostly gold with some red swirls. |  | | Journal (issue) | | -·c .- I .i:: 01 .... •C: -• 0 ~ 0 "O de. not hich ,ugh ·ater 1ical e as be· sup• the low-...IS ' IS int say •pe ea,pe to ~obe ne ICS trs de so 303 going back to Tucson when the ship $ 5...'t,.[ea n I'm an Old Bull Frog- and D,1ng ~I,· Hi de.: . I Can't Swin, Bec.1u'\e I've Never TrieJ. " Of...the night ~n D el Rio, a trip on to Austin was m~de 1n very fast time, arriving home Chnst~as Eve tired...Sola1nint (011 H ighw:iy 99). Bea--h placers and loJe de• posits in the same cou nty have been worked in th:: |  | | Report (issue) | | Idaho-by Ronald G. Worl, Earl H. Bennett, Palma J. Moye, and P.K. Link 18. Gravity and magnetic anomaly...mapper (TM) data, Systeme Probatoire d'Observation de la Terre (SPOT) 10-m panchromatic stereo data, and...Sample localities from the low hills to the north of La Abra Plain have anomalous concentrations of molybdenum...strontium poor. The area is anomalous for Pb, Bi, Th, La, Y, and , locally, W. The thorium , lanthanum , and...tonalite, monzodiorite, and granite bodies of the Lac La Croix Granite. No mineral deposits are known to occur |  | | Journal (volume) | | Academy of Naples ; of the Geological Society of France; Honorary Member of the Asiatic Society of Caleutta;...; Honorary Member of the Statistical Society of France ; Member of the Entomological Society of Stettin... Bronn, < é- 4697 XIII. Letter to M. Fischer de Waldheim, Ex-President of the Society of Naturalists...water. By M. VALENCIENNES, in a letter to M. Elie de Beaumont, ‘ a 16d XXVII. Botanical Climatology—Comparative...complete Skeleton of Metaxytherium. By M. Manrce. DE SErREs, 173 . - 175 On the Causes of the Green |  | | Book | | patches, or blotches, as is often the case with amethyst and sap phire. I t is particulaTly common in...and 39 I N C L U S I O N S AS A M E A N S OF I DE N T I F I C A T I O N to the industrial production... FJGUHE 21 Top view of profiled gas b u b b le s d is p la y i n g crystal faces in synthetic spinel r, • FrGURE...appear as several prono1111ct'd irregu la r dark brushes that moYe about as the stone is rotatt'cl in the...in- 85 I N CL U S I O N S A S A M EA N S O F I DE NT I F I C AT I O N clusions are found in African |  | | Report (issue) | | Rept ., vol . 37 , Pt . II , p . 74). A LT Ont . De p t. 41 I /16 Altaite has been identified by X...in Hin cks Township (H . C . Rickaby, 1931 : Qnt. De p t. Mines , Ann . Rept., vol. 41 , Pt. II , pp.12...of No . 4 zone (H . S . Armstrong , 1 950: On t . De pt. Mines , Ann . Rept ., vol . 59 , Pt . V, p ....Red Lake min es (H . C . Horwood , 1 940 : On t. De p t . Mines , Ann . Rept. , vo l. 49, Pt. II, p p...1956: Geol. Surv . Can., Paper 57 - 3 , p . 15). AMETHYST (S ee quartz) ANA - 26ANALCIME Analcime is |  | | Book | | Alexander Geology and landscapes of Scotland Con Gillen La catastrophe: A1ow11Pelee and the desrruction ~ 5...mindat.org/index.pbp), to Michel Outrequin ofCameca, France, for advice on the SX 100 electron microprobe,...Potassium 19 u Uranium Kr Kr/p'.,;n V Vanadium La l.a'1thanum 36 57 VI Tungsten Li L'.h;um Lutc:tium...Linkinhome, Cornwall Meldonaplnequany,nrOkehampton, De\'on montebrasite Meldon aplitequany,nrOkehampton...StAustell,Cornwall t!.eldonapfitequarry,nrOkehampton, De o:i p'.umbojarosite Severallocalities in Cornwall |  | | Book (edition) | | stimulated, in every possible way, the search for and de- velopment of new deposits and the increase in production...island of Samos, near the Asia Minor coast, but these de- posits are not so extensive as those of Naxos....screen. in demand by the American trade would be de- scribed as follows: A-1, a minimum of 92 pet Al...the making of all shipping arrangements. The buyer pays the costs of weighing and lighterage, which average...Netherlands, although there was a fair tonnage to France, Italy, and the United States. For many years there |  | | Book | | Denmark Zollverein Austria Holland and Belgium France Italy Spain and Portugal Turkey and Egypt Persia...the house and gardens of the Maison d' Orsay, Kue de Yarennes. In looking over the list of specimens which...supporting the traditionary excellence of Grolier and De Thou; silks of Lyons ; historical pictures by Vincent...place the same year, on the very spot in the Champ de Mars on which the army had held a triumphal show...an extraordinary degree, the inventive talent of France, and the application of abstract science to the |  | | Book (volume) | | layasAssam SimlaGar hwal Pu.rana Cudclap ah T-la imanta and D elhi gr oup gro ups D ogra slates Sintla...even though it is THE P RECAl\llBRIAN Ol<' IND LA 25 about 270 kn1 a.w ay, is only a ,vestward extension...bodies ranging fro111 bosses to sills. Unlike the la,ter Malani suite, it has no effusi,e eqni,a]ent....carbonaceous slates, and limestone beds at J utogh near Sin1.la. Like all the strongly metamorphosed rocks of India...and there is 60 C. S. PICHAMUTHU son1e specu la,tion as to whether it cou ld for1n a part of the |  | | Book (volume) | | College of Agriculture, Cornell University. (Rio de Janeiro), 1879-1901 A. Lo. Editor of the Rio News...News Auguste Longnon. Professor at the College de France. Director of the Ecole des Hautes Etudes. Chevalier... Member of the Institute. Author of Geographic de la Guide an VIe siecle. A. W. C. | Chatillon. Arthur...Alexandria; &c. Editor of St Augustine’s Confessions; De Imitalione; &c. Formerly Scholar of Magdalen College...Chevalier of the Legion of Honour. Etudes sue le regne de Robert le Pieux; &c. C. R. B. Clement VI.; Clement |  | | Book (edition) | | The Government Steps In — Into Yellow Ground — The de Beer’s Farm — The ‘Big Hole’ of Kimberley — Present...COMPANIES Cecil Rhodes at Kimberley — Barney Barnato — De Beers Consolidated Mines — The Town of Kimberley...— The Practice Apparatus — South African Success: De Beers — Mechanism of Synthesis — Direct Synthesis...Johannesburg to the Anglo-American Corporation and De Beers, who made it possible for me to revisit or...mines; Mr. Richard Dickson and Mr. J. E. Roux bothof De Beers Consolidated Mines, for generous help with |  | | Book (volume) | | weight of boiling water. When and always reddens de j Min. An. becomes because v. 541. IRON. and...two bodies ; that the amounted * Proust, Ann. de to dim. i part of water oxygen furnished by...into acid disengaged with elrervescence this de- mu- solution the sulphurous acid is first ...Aanuh,n. 10. Eng. Tran#. § Bouillon Lagrange, Ann. de Cbim. B3 * ' zsiii. 48. 24 SALTS OF Solution...in Cornwall, and have been scribed have lately de- and analysed with great accuracy by Bournon and |  | | Journal (volume) | | 'New York City. t)ice-|Jre0ib^nt5. CABLOS F. DE LAjSTDEBO Pachuca, Mexico. Montreal, Canada. JOHN...Sir Lowthian Bell Dr. Thomas M. Drowx Prof. Hatox de la Goupillibre Prof. Haxs Hoefer Prof. Dr. Bruno Kerl...Austria. Berlin, Germany. Philadelphia, Pa. Paris, France. St. Petersburg, Kussia. Berlin, Germany. (Deceased)...Dooly Block, Salt Lake 95 Liberty Street, Calle de Balderas 1026, New Mexico Sweden. Utah. ’89...Taylor, *Allen, Anson *xA.llen, James, Asst, in & la Independencia 36, etc., Alexico City, Alexico. |  | | Report (issue) | | Under Mr. Ho\vell, Director for Great Britaln, Mr. De Rance bas been engaged in the North Staffordshire...and has traced 48 miles of new l1onndary-1ines. In De,ronshire and the borders of Corn\"\~allMr. L-ssher...gneiss antl dykes, together with moye or less rounded pebbles of an amethyst-coloured quartz .. In places...three easily recognised bands i·Ir. Barro,;v has de,·ised a method of worl...o.s belonging to the monzonite gro11r>. Professor La,vson! has recently descriLed u11der the tet•m Mu |  | | Report (volume) | | Books Advisors MIKE BROWN (USA) ERIC BUFFETAUT (FRANCE) JONATHAN RETO CRAIG (ITALY) GIERE (GERMANY)...sdig (9 Mange elad! lehinet Ob im Lae? = Ghee de tea ee (5 ~~ her alin, tee anend tee Terra...backgrounds including Earth scientists, c ionists, la gers and landowners, it has a significant role to...greats of geology, such figures as Buffon, Hutton, de Luc, Saussure, Werner, Cuvier, Smith, Lyell, and...earth) (Gray 1987). This means that caves belong de facto to the owner of the overlying land. As a result |  | | Journal (issue) | | (6 "/s by 3 Ys by crystal display. Combine such a de%0 inches)!lt has only half the resolu- vice with...________________________________________________________ Vlve la Guerre I have a few comments on Bruce Carbrey's article...out your old calculator and try using it now.) Vive la guerrelll G John Garner 319 Blue Haven Rd Dollard.... . .I f Tom Ochs Assistant Research Prof ess or De se rt Research Institute and extended memory capabilities...- I_ I ( ~ - ~ I \ _ _ ...J J ( U:= L--J La--1 I I S3 L-....J W= I I l.....J;! I . I ~~04 |  | | Book (volume) | | Archaeological discoveries in India, Austria, Hungary, France, Italy, and Spain have shown that a Copper Age...described green and blue copper minerals ; and in his De materia medica (c. 75 A.D.), Dioscorides used the...copper salt was cited by Paracelsus, in his tract De tinctura physicorum (c. 1520), as a proof of the...London, 1847 ; V. Biringueeio, De la pirotechnica, Veniee, 1540; G. Agrieola, De re metallica, Basil, 1556...2 S + 2 H 2 0 = 2 C u + S 0 2 + 2 H 2 ; while H. de Senarmont, R. Beck, E. Haworth and J. Bennett, and |
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