 | | Journal (issue) | | Fremontite. Canion City, Colorado Delafossite after Copper (?). Bisbee, Arizona Chalcocite after Sphalerite...through: (a) the loss of a constituent-e.g., native copper 396 Bulletin American Museum of Natural History...chalcedony after barite, celestite, dolomite, fluorite, and barytocalcite.) The very common pseudomorphs...incrustation pseudomorphs of witherite after barite, fluorite after calcite, cerussite after anglesite, calamine...calamine after sphalerite, dolomite after fluorite.) The strong tendency a substance has to adsorb its own |  | | Journal (article/letter/editorial) | | Arizona 85011 jeffscovil@earthlink.net Figure 2. Fluorite, 12.3 cm across, Bisage, Puy Saint Gulmier, Puy...Ilfeld, Harz Mountains, Thuringia, Germany. Tom Moore specimen. Figure 4. Fluorite with stilbite, 11.9 cm...cm high, Malmberget mine, Gallivare, Lappland, Sweden. Scott Werschky specimen. Figure 6. Realgar, 3...specimen. Figure 5. Pyromorphite, 4 cm high, Les Farges mine, Ussel, Correze, France. Frank Sousa specimen. Volume...Figure 7. Fluorite, 7.1 cm across, Halsbrücke, Freiberg district, Erzgebirge, Saxony, Germany. Irv Brown |  | | Book | | however, are composed of a single element, such as copper, gold, sulphur, or carbon. The latter is better...quite frequently, e.g. in cassiterite gypsum, and fluorite. In some cases the growth of twin crystals results...often Twinned Crystals of (from left to right): fluorite, gypsum, cassiterite 17 grows columnar crystals...felspar 2. gypsum 7. quartz 3. calcite 8. topaz 4. fluorite 9. corundum 5. apatite 10. diamond These hardness...damaged by the finger nail. A piece of 19 copper wire or a copper coin (hardness approx. 3) scratches minerals |  | | Catalog/List | | mineral, "At were of large, prisms, of this mine have been obtained, more Note. - Galena offer...in the specimens Dundasite, bunches samples Mine, of occurs lode. beautiful white large more...originally Cornish mining ceeding by colour, Mine fractures of great the mineral often Mount ...extremely some rarely Anglesite. Embolite, back Mine. with minute of small of capping gossan the... 'holy fallen filled with the olivine it district: from or at regarded The moderate a at high |  | | Journal (article/letter/editorial) | | de/chemer The fluorite deposits NE of Regensburg, SE Germany—A mineralogical and chemical comparison of unconformity-related...D-30631 Hannover, Germany Bürgermeister-Knorr Str. 8, D-92637 Weiden i.d.OPf., Germany In der Zell 4, D-93149...D-93149 Nittenau, Germany a r t i c l e i n f o Article history: Received 21 November 2011 Accepted...May 2012 Keywords: Fluorite Unconformity-related Vein-type REE distribution SE Germany a b s t r a c t...fluorite mining district was located NNE of Regensburg at Nabburg-Wölsendorf, Germany. Together with some |  | | Journal (article/letter/editorial) | | uglies,” yet they are not only important ores of copper and silver, they can also provide impressive and...superb example of the mineral. It was from Saxony, Germany, and was to me at that time a thing of beauty and...National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire...silver substituting for copper. Zinc and mercury may also substitute for copper in some specimens. It is...most common, and is an important ore mineral of copper and a minor source of silver. In fact, in some | | | Book | | however, are composed of a single element, such as copper, gold, sulphur, or carbon. The latter is better...quite frequently, e.g. in cassiterite gypsum, and fluorite. In some cases the growth of twin crystals results...often Twinned Crystals of (from left to right): fluorite, gypsum, cassiterite 17 1 * Is g I grows...talc 2. gypsum 7. quartz 8. topaz 3. calcite 4. fluorite 9. corundum 10. diamond 5. apatite These hardness...damaged by the finger nail. A piece of 19 copper wire or a copper coin (hardness approx. 3) scratches minerals |  | | Book | | chrysocolla, Majdanpek, Serbia ¢ tixex7 cm LEFT: Fluorite, Taihang Shan Mountains, Hebei, China * (Sexes...A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...sulfate). Azurite (blue copper carbonate) can react to form malachite (green copper carbonate). If malachite...be just a few crystals, as with celestine and fluorite, or the cavity may become lined with inwardly...they may have grown one after the other, as in fluorite growth on celestine. Delicate crystals can be |  | | Catalog/List | | £10 2x2 £15 Ix! £3 lx2 £6 I · 88 ADAMITE Ojuela Mine, Mapimi, Mexico Colourless to yellow small crystals...lx½£5 ZnAs0/4 2 AEGIRINE Mount Malosa, Zomba District, Malawi Rich mass ofblnck crystal sections ,on...£10 2x3 £15 Na Ca SiO F 7fJ 7 ■ AJOITE Christmas Mine, Gila County, Arizona USA Blue veinlets in matrix...feldspar with minor fluorite. X 20 needed 1.5cm £4 no/2 feldspar 37 ANCYLITE Ce Dark Star Mine,Ravalli County...■■ ALLARGENTUM Hartenstein, Erzebirge, Saxony Germany Silvery plates on 1cm matrix. Some with saffiorite |  | | Report (issue) | | Veszelyite on hemimorphite, 3.6 cm, from the Laochang mine, Gejiu County, Yunnan Province, China. Mintreasure... from a locality which he gives as the Laochang mine, Gejiu County, Yunnan Province, China. Some very...gave “Dulong” as the mine name, gave “Laochang” as the name of a town and not of a mine, and put the whole...==== Bournonite, 2.6 cm, from the Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. John...Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. Bournonite from the Yaogangxian mine has been |  | | Journal (issue) | | Although the mines of the Illinois-Kentucky fluorite district are no longer active, the thrill of discovery...during the preparation of my major article on the district (Goldstein, 1997). Geophysics professor Hal Noltimier...on the Hastie's property as well as several other mine dumps to o btain samples. In addition to Hal and...-~ . . .... _; } ..· Fig. 1 The pillar of fluorite with numerous pockets. The largest pocket in the...Furdock for sharing the ir room a nd watching my mine rals on occasion when I did ste p o ut to gather | | | Book | | however, are composed of a single element, such as copper, gold, sulphur, or carbon. The latter is better...quite frequently, e.g. in cassiterite gypsum) and fluorite. In so1ne cases the growth of twin crystals results...often Twinned Cry stals of (from Left to right): fluorite, gypsum, cassi1r:1rire 17 grows columnar crystals...fclspar 2. gypsum 7. quartz 3. calcite 8. topaz 4. fluorite 9. corundum 5. apatite 10. diamond These hardness...damaged by the finger nail. A piece of 19 copper wire or a copper coin (hardness approx. 3) scratches minerals |  | | Journal (article/letter/editorial) | | and Fossil Areas In Germany By DR. WERNER LIEBER Dante Str. 50, Heidelberg, Germany In the January-February...to find out if there are any mineral clubs in Germany. Since this number of R&M was sent to the readers...situation here in Germany. The last question of Mr. Carter is very easy to answer. In Germany exists one club...the association is Dante-str. 50, Heidelberg, Germany. The club publishes a monthly magazine for collectors...time 1,600 members. About 90% of them live in Germany, the other 10% live in Holland, Austria, Switzerland |  | | Report (issue) | | Variation in fineness of gold with depth, Lily mine, Transvaal, South Jlfrica ---------------------...complete series of solid solutions with silver, copper, nickel, platinum, and palla:dium. Gold is commonly...complete series of solid solutions with silver, copper, nickel, palladium, and platinum. In association...group Ib of the periodi.c table, as do silver and copper. Its atomic number is 79, and atomic weight is...amphiboles, garnet, tourmaline, carbonates, and fluorite. TABLE 1.-Major gold-bearing minerals Au. Cubic |  | | Journal (article/letter/editorial) | | The mine dump of the Lichtenberg open-pit at the southwest margin of Ronneburg, Thuringia, Germany. Occurrence:...K2MnV4O12, a new mineral from Ronneburg, Thuringia, Germany: description and crystal structure. American...elpidite, epididymite, eudialyte, eudidymite, fluorite, franconite, gaidonnayite, galena, genthelvite...of Crystallography, Freie Universität, Berlin, Germany, and long-time collaborator with the crystallography...BURNS, P.C. (2001): The Jahn-Teller distortion of copper coordination polyhedra in the alluaudite structure-type: |  | | Catalog/List | | Stuart Wilensky August 2020 4 5 Fluorite on Quartz Yaoganxian Mine, Chen Zhou, Hunan Prov., China 6...6.35 cm tall x 6.35 cm wide Yaoganxian fluorite ranks at the very pinnacle of all fluorites. Of these...quality, and luster of this fluorite are without competition. 10 11 Fluorite with Pyrite Inclusions on...Manganocalcite Yaoganxian Mine, Chen Zhou, Hunan Prov., China 16 cm tall x 18 cm wide Fluorite is rarely found...combination is one of only a few ever found. The fluorite crystals color is unique. They are also exceptionally |  | | Journal (article/letter/editorial) | | O'Neill. It is interesting to note the occurrence of fluorite worthy of special investigation this far south...1, Piedmont, Ala., who plowed up fluorite here in 19OO. The fluorite is green, and about one short ton...Conasauga, which has been intensely folded here. The fluorite occurs in crushed and fractured areas, perhaps...crystal'ized cinnabar which comes from the Culver-Baer mine, Sonoma Co., Calif. Colorado—An interesting article...Michigan, Ann Arbor, Mich.) The Micanite pegmatite district lies across the Park-Fremont County line in south-central |  | | Journal (issue) | | Laura Aaron collection, page 11. (rniddle colurnn) Fluorite-Bruce and Marcia Friedman collection, page 105;...collection, page 155; Fluorite-Samuel Cooper collection, page 67. (rniddle colurnn) Fluorite, 5.3 cm, from Naica...Rhodochrosite- Marc & Janis Countiss collection, page 76; Copper-Paul Bordovsky collection, page 33; Elbaite-Jeremy...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 (article/letter/editorial) | | vari- 3 eties. In the Joplin lead and zinc district of southwest Missouri the minerals crystallizing...covellite (copper sulfide) by heating powdered sphalerite (zinc sulfide) in a water solution of copper sulfate...blueblack powder (covellite) appears. In the Joplin district covellite after sphalerite has been found, so...naturally are the minerals which have been formed on .mine-tools, prehistoric implements, old coins and other...Museum may be seen vases and artifacts made of copper showing traces of the green coloring of malachite |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...named according to chemical composition (e.g. fluorite). to crystallographic tenns (e .g. prismatine)...common are malleable (e.g gold). ductile (e.g. copper). sectile (e.g. chalcocite). elastic Optical co11sta11ts...to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho- beam on the polished...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | | Journal (article/letter/editorial) | | 2012 Olivenite TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA H ydrothermal copper deposits are dominated...dominated in their primary mineralogy by copper-bearing sulfide minerals such as chalcopyrite. When these deposits...2005), the sulfides become unstable and oxidize. Copper released from this reaction can form a plethora...“supergene” minerals, ranging from simple native copper and copper oxides to complex secondary minerals such...specimen of olivenite from the worldfamous Tsumeb mine in Namibia, where attempts at specimen mining have |  | | Journal (article/letter/editorial) | | building block - a mineralogicaljourney through Germany in the 'Kr0ger Haus', also located in the castle...to supply the collection with new material from Germany and abroad. lts first administrator, C. H. Lommer...'Reiche Zeche' ('rich pit') training and research mine. These will each be introduced after the developments...The 'find of the decade' of the 'WeiBer Hirsch' mine in Schneeberg in 1871 is worthy of mention in this...identified five new secondary uranium minerals in this mine. by which time the collection had grown to around |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Sunday...52001-52306 LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Wednesday...directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years...Manganite from Ilfeld in the Harz Mountains of Germany, with crystals up to 1.88 inches (4.74 cm) long...namesake for Heulandite - who was born in Bayreuth, Germany in 1778. Since he died in 1856, it is clear that |  | | Catalog/List | | .... . Utah Toelle County, Gold Hill, Gold Hill mine --=.rransparent micro crystals on limonite gossen........ . AJOITE Copper aluminum silicate' Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls...silicate CLEAVELANDITE Virginia Amelia, Rutherford mine #2 Lustrous white twin xl groups, minor muscovite...ALLEMONTITE An intergrowth of arsenic and antimony Germany Harz Mountains, Andreasberg Rich gray botryoidal...Lead telluride • Colorado Saguache County, Klondike mine Brilliant metallic tin white cleavable mass in quartz |  | | Report (issue) | | 4 cm, from the Palelni mine, Molo village, Momeik Township, Kyaukme District, Shan State, Myanmar. The...==== of the rare brochantite of the Los Azules mine in Chile: spherical tufts of emerald-green fibrous...matrix. Brochantite, 4.8 cm, from the Los Azules mine, Quebrada San Miguel, Copiapo Province, Atacama...pseudomorphous after chalcocite from the Las Cruces mine near Seville in southern Spain: you’ll perhaps recall... newly recovered chalcocite specimens from that mine to the 2020 Tucson Show (see the show report in |
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Fluorite mine, Gehren, Ilmenau, Ilm District, Thuringia, Germany