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| FEATURED MINERAL AT THE 1985 TUCSON SHOW DIOPTASE The Emerald Copper R O B E R T W. J O N E S 3520 N...Rene Hauy peered into the emerald green crystal from Russia. He was struck by the internal reflections...directions of the crystal. Thus, when Hauy wrote his Traite de Mineralogie (1801), he named the mineral...mineral dioptase from the Greek "to see through." As often happens, minerals are studied by several people independently...independently, but the earlier studies may not receive de served credit. Such was the case with dioptase. Though |
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| (1) Mindouli, Congo. (2) Cu8 Si 8O 22 (OH)4 ÂČ H2 O: Occurrence: A rare secondary mineral in the oxidized...oxidized portion of copper deposits. Association: Chrysocolla, dioptase, malachite, conichalcite, tenorite...Distribution: From Mindouli, Ren¶eville, and Tshiniama, Congo Republic. In Congo (Zaire), ÂŻne material...km east of Windhoek, Namibia. In England, at the Driggith mine, Caldbeck Fells, Cumbria; the Gunheath...Cornwall; and the Engine vein, Alderley Edge, Cheshire. In the USA, in Arizona, from the Table Mountain |
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| CuSiO3âąH2O Dioptase Crystal Data: Hexagonal. Point Group: 3 . Commonly in prismatic to rhombohedral...100.00 (2) CuSiO3âąH2O. Occurrence: In the oxidized zone of some copper deposits. Association: Chrysocolla...50 km east of Karaganda, Kirghiz Steppe, Kazakhstan. At BÓiÆ«a (RĂ©zbĂĄnya), Romania. In the USA, in Arizona...Arizona, at the Mammoth-St. Anthony mine, Tiger, at Ray, and in the Table Mountain mine, Galiuro Mountains...Mountains, Pinal Co., and from the Harquehala mine, Harquehala Mountains, La Paz Co. (formerly Yuma Co.); |
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| ROBERT B. COOK Department of Geology and Geography Auburn Universit moptase Downloaded by [Selcuk Universitesi]...gemstone, largely because of its unusually vivid and distinctive green color. Of course, as with last issueâs...colors so seemingly identical to and characteristic of other, better-known materials that critical misidentification...misidentification occurred. A well-documented case in point is dioptase, a mineral that is today familiar to virtually...hundred years ago in a remote region of what is now central Kazakhstan. The mineral is thought to have first |
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| 55, 1960, pp. 1708-1715 SOME ORE OCCURRENCES OF THE TYPE IN EQUATORIAL MISSISSIPPI VALLEY AFRICA...EquatorialAfrica with ore occurrences of the Mississippi Valley Type is describedand the characteristicsof these occurrencesare...Considerations in Determiningthe Origin of Ore Depositsof the MississippiValley Type" Dr. E. L. Ohle (1)...their worldwidedistribution. Known occurrences of this type of ore depositare locatedin North America, Western...Africa. The author of the presentpaper wishesto draw attentionto an occurrenceof this type of ore depositin |
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| United Kingdom srk003@aol.com ROBERT B. COOK Department of Geology and Geography Auburn University Auburn...Shattuckite Rocks & Minerals 2009.84:544-550. Kunene District Kaokoveld, Namibia M any collectors choose to...to specialize in different mineral suites, the members of which often share a single or common locality...characteristic such as single crystals or specimens of a particular size (Dunn and Francis 1990). With respect...family that is popular with collectors is that of the copper minerals. This attractive and challengingly |
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| material of dark red color and not too interesting to the collector. It is, however, of interest to the miner...becomes of interest to the collector. There are two recognized forms, or varieties, of CUPRITE. The first...first we will discuss is the bright red acicular variety called CHALCOTRICHITE. This fine showy mineral forms...Sinkankas, in Mineralogy for Amateurs, suggests the acicular habit of CHALCOTRICHITE is due to more rapid growth...leads to the exaggerated "needle" form. CHALCOTRICHITE is relatively rare. Here in Arizona, the only significant |
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| THE AMERICAN MINERALOGIST, VOL. 49, SEPTEMBER_OCTOBER' 1961 X-RAY STUDY OF SHATTUCKITE1 DoNlro W....space group, Pcob The unit cell dimensions resulting from least squares refinement of p o * d . i . l u...existedconcerningthe possibleidentity of plancheiteand.shattuckite. The former was originalll.'describedby...'describedby Lacroix (1908)from Mindouli, the Congo;the Iatter by Schaller(1919)from the Shattuck Mine, Bisbee,Arizona... from Tantara, the Congo,simiiar to that describedb1'-Lacroix, and concludedthat the plancheiteof Lacroix |
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| ROBERT B. COOK Department of Geology and Geography Auburn University Auburn, Alabama 36849-5305 W Pyromorphite...[University of Nebraska, Lincoln] at 23:16 02 June 2016 Bunker Hill Mine, Coeur dâAlene District, Shoshone...190 ROCKS & MINERALS Downloaded by [University of Nebraska, Lincoln] at 23:16 02 June 2016 I t is...pyromorphite should follow on the heels of its sister mineral, mimetite, the subject of last issueâs Connoisseurâs...similar modes of origin and physical properties, there are great differences between the two, particularly |
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| THE MINERALOGICAL RECORD SEPTEMBER-OCTOBER 2013 âą VOLUME 44 âą NUMBER 5 $15 The Mineralogical Record...Record The International Magazine for Mineral Collectors VOLUME 44 âą NUMBER 5 SEPTEMBER-OCTOBER 2013 ...nther Neumeier THE M INERALOGICAL R ECORD Articles Famous mineral localities: Minerals of the Kaokoveld District...District, Kunene Region, Namibia ..................................................... 485 by R. J. Bowell...Ermolina, W van der Plas, J. van Us & M. Steiner The best zincite crystals from Franklin, New Jersey |
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| 388 South African occurrences of willemite. Fluorescence of willemite and some other" zinc minercds...L. J. SP~Nc~m, M.A., Sc.D, F.t~.S. Keeper of Minerals in the British Museum (Natural History). [Read :November...:November 1, 1927.] -~TILLEMITE is a mineral of comparatively rare occurrence, but it u u has long been...been mined in New Jersey as an important, ore of zinc (ZLJ2Si04, containing Zn 58.6 %), and it would...also to be abundant in Rhodesia. In the standard mineralogies of Dana (1892) and Hintze (1889) it is |
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| 2015 Figure 1. Main entrance of the Mineral and Geology Gallery of the museum. Manuel Cohen photo. Figure...Figure 2. Entrance to the new hall. Elia Sauner photo. DONA LEICHT Kristalle 875 North Pacific Coast...dona@kristalle.com New Hall Paris AT THE Figure 3. Official poster of the new gallery featuring a rutile and...Ibitiara, Bahia, Brazil; the specimen was purchased with funds donated by the Total Foundation. Bernard-Faye...dâHistoire Naturelle Figure 4. The opening party in the main hall of the new gallery. Elia Sauner photo |
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| Report #62 January 5, 2022 by Thomas P. Moore The Mineralogical Record TPMoore1@cox.net _________...report on January 1, 2022, and the weather outside is cool and clearing, the New Yearâs Eve night sky having...new year better than the last two is opening like a moist cactus flower, and say! The great Tucson Gem &...happening very soon. In your Mineralogical Record issue of JanuaryFebruary 2022âbeing printed even as you read...appeared at the big shows in Denver and Munich last autumn, but such is the continued bounty of Whatâs New |
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| THE AMERICAN MINERALOGIST, VOL, 52, MAY_JUNE, 1967 THE FORMULA OF SHATTUCKITE1 ANcBr-rNRC. Vr,rsrors...chemical analyses of shattuckite, a basic hydrous copper silicate from Ajo, Arizona, establish the formula as...as Cur(SiOa)r(OH)2. The formula a[Cus(SiOr)r(OH):] fulfills the requirement of the space group symmetry...atoms in the structure be present in multiples of 4. INrnooucrroN The original description of shattuckite...material from Bisbee,Arizona, (Schaller,in Ford, 1915). The formula was given as 2Cu'2SiOs' HzO. Previously, |
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| science auction May 4, 2014 â dallas The Hoppel Collection of Fine Minerals & Gems Auction 3 Front... ï± I want to limit my bidding to a total of $ at the hammer amount for all lots listed on this bid...bid sheet. I am aware that by utilizing the Budget Bidding feature, all bids on this sheet will be affected...an email, text message, or fax confirming receipt of your bids? ï± Emailââ ï± Cell Phone Textââ ï± Fax Payment...subject to the applicable Buyerâs Premium. See HA.com for details. I have read and agree to all of the Terms |
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| View Article Online / Journal Homepage / Table of Contents for this issue 617 MWRALOGICAL CFIEMISTRT...Native Silver and Dioptase from French Congo. By E. (Co?npt. rend., 112, 446-447).-Dioptase of an emerdd- ...quartz Crybtals of the usua81form and chrysocolla, in others embedded in limestone. The dioptaac crystals...have the usual form, and a crystal cut normally to its axis shows rings with a ,black cross of positive...positive sign, as in the dioptaFe from the Ural. One of the specimens of calciiim carblonate, cryst,allised |
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| jk<- >3 â /WS â '-wS I 4 Marvellous llbrld of Minerals â kâ J â Text by Pierre Bariand !...Preface Rather than a manual of mineralogy, this book is an illustration of a world in which Nature has...immense influence on the history of mankind and continues to affect our everyday lives. The mineral specimens...transcends the human scale, under conditions of temperature and pressure in a variety of environments...be infinitely durable. Besides the strange fascination which this kind of permanence has always exercised |
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| Monsieur Carl Francis Curator of the Mineralogical and Geological Museum of Harvard University Monsieur...Benjamin Silliman, fondateur de l'American Journal of Science, envoie ses plus beaux specimens l'Ecole...ses dioptases au Congo : aux mines de plomb et de cuivre de la Vallee du Niari (Congo) ; Shinkolobwe au...specimens de quartz a o r visible provenant du district aurifere de Viges (Creuse). II s'agit de la seconde...vertes de Spokane (Washington). 29 Les fruits du Congo Claude GUILLEMIN ''J'espere qu'A lexandre me pardonnera" |
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| Mineral Collections in A RIZONA A SUPPLEMENT TO THE MINERALOGICAL RECORD RIZONA- II Mineral Collections...CallĂ©n, Wendell Wilson and others A Supplement to The Mineralogical Record, JanuaryâFebruary, 2020 Mineral... Mineral Collections in Arizona-II A Supplement to The Mineralogical Record January-February 2020 Volume...Circulation Director: Thomas M. Gressman Published by The Mineralogical Record, Inc. 5347 N. Ridge Spring Place...through The Bookstore at www. MineralogicalRecord.com Front cover Vanadinite 3.4 cm, from the North Geronimo |
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| guaranteed on return of the specimens(s) in good condition. Please quote the name and number of the specimen(s).... o./Cheque with order. All prices are inclusive of V.A.T. No charge is made for postage and packing...We reserve the right to make slight substitutions , if necessary , unless advised to the contrary . Special...welcomr;l. We hope that we may be of some service to you , and assure you of our best attention at all times...iz e intergrown and scattered over a 2x2 " a rea of matrix with a little Calcite. ~x 3x1t ", ÂŁ16.00. |
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| guaranteed on return of the specimen(s), in good condition. Please quote the name and number of the specimen(s)...P.O./ Cheque with order. All prices are inclusive of V.A.T. ~u charge is made for postage and packing... We reserve the right to make slight substitutions, if necessary, unless advised to the cant rary. Special...welcome. We hope that we may be of some service to you, and assure you of our best attention at all times...times. NoVEl-18ER 1978 1. ACTINOLITE. Kyle of Lochalsh, Ross-shire, Scotland. Fine lustrous olive-green |
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| ~uaranteed on return of specimen(s), in good condition. Please quote the name and number of the specimen(s) required...O./ Cheque with order. All prices ,are inclusive of V.A. T. No charge is made for postage and packing... we reserve the right to make'slight substitutions, if ne~essary, unless advised to the contrary. Speciel...welcome. we hope that we may be of some service to y~u, and assure you of our best attention at all times...QUARTZ crystals, the longest being 2" in length. Very attractive combination of minerals, the specimen being |
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| guaranteed on return of the specimen(s), in good condition. Please quote the name and number of the specimen(s)...P.O./Cheque with order. All prices are inclusive of V.A.T. No charge is made for postage and packing... We reserve the right to make slight sUbstitutions, if necessary, unless advised to the contrary. Special...welcome. We hope that we may be of some service to you, and assure you of our best attention at all times...Durango, Mexico. Fine lustrous yellowy-green sprays of sharp terminated crystals to i" intergrown and scattered |
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| REFINED ELEGANCE The Small Treasures of Mineralogy A Supplement to The Mineralogical Record, NovemberâDecember...(1906): (1) Diopside with grossular, 3.3 cm, from the Mussa Alp, Piemonte, Italy. (2) Augite, 2.6 cm, from...cm, from Elba, Italy. Refined Elegance The Small Treasures of Mineralogy by Wendell E. Wilson Alexander...Supplement to the Mineralogical Record, NovemberâDecember 2022 REFINED ELEGANCE: The Small Treasures of Mineralogy...Mineralogy v A Supplement to The Mineralogical Record NovemberâDecember 2022 Volume 53, number 6 Publisher |
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| irregular rounded slightly flattened nodules. This group of specimens includes various forms including elongated...1/2xl-1/4" 7 Specimens $ 12.50 DIOPTASE Mindouli, Central Africa Republic Superb dark emerald-green 4 to...Specimens $ 15.00 crystals PYRITE Rio Marina, Island of Elba, Italy Choice golden metallic complete cubic...clove-brown fibrous acicular crystals covering both sides of massive vein section. 2-1/2x3xl" $ 25.00 CERARGYRITE-EMBOLITEBroken...1-1/4" 10 Crystals $ 8.50 PYRITE Rio Marina, Island of Elba, Italy Choice single golden metallic cubic crystals |
'Mbumba, Pimbi hill prospects, Mindouli, Mindouli District, Pool Department, Republic of the Congo