 | | Journal (issue) | | • Email: info@kristalle.com Harz Mountains, Germany by Günter Grundmann Thomas P. Moore Wendell E... Moore COVER: PROUSTITE, 3.5 cm, from St Andreasberg. Germany, found in 1899; ex collection of Richard... Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany .............(Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany Günter Grundmann Eschenweg...minrecord@comcast.net The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: |  | | Journal (article/letter/editorial) | | galena, sphalerite, chalcopyrite, stibnite, boulangerite, zinkenite, tetrahedrite, carbonates, barite...Pennsylvania; the Cofer deposit in the Mineral district of Louisa County, Virginia, where it occurs with...States. Best known are those from the Park City district, Summit County, Utah, where at one time crystals...from the Albion mine in the Little Cottonwood district, Salt Lake County, Utah. It was an ore mineral...Helvetia-Rosemont district, Pima County; the Augusta and Hosey mines in the Wrightson district, Santa Cruz |  | | Report (issue) | | (Sb21.2 As1.2 )Σ=22.4 S55.0 Cl0.5 . (2) Wolfsberg, Germany; by electron microprobe, corresponds to Pb21.0...robinsonite (Pershing Co., Nevada, USA); bournonite, boulangerite, zinkenite, chalcostibite (Saint-Pons, France)...Bird mercury mine, Rye Patch district, Pershing Co., Nevada [TL]. In Germany, in the Harz Mountains, from...from Wolfsberg [TL], St. Andreasberg, and Harzburg. In France, at Saint-Pons, Alpes-de-Haute-Provence. |  | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As many...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a po}Vder-like...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked...by: phosphorite. Found in: Saarland; Ruhr valley; Saxony; Vesuvius, Etna/Italy; Hekla/Iceland; Hawai, California/USA; |  | | Book (edition) | | Diaphorite Owyheeite Dufrenoysite Falkmanite Boulangerite Semseyite Heteromorphite Plagionite Jamesonite...Affiliation/Address Luzerner Str. 10-12, D-12205 Berlin, Germany – Freie Universität Berlin, FB Geowissenschaften...Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Bundesanstalt für Geowissenschaften und Dr. Frank...Stilleweg 2, D-30655 HanDr. Thomas Oberthür nover, Germany Dr. Thomas Kenkmann Museum für Naturkunde der ... zu Berlin, Invalidenstr. 43, D-10115 Berlin, Germany Prof. Dr. Robert Marschik & Ludwig-Maximilians | | | Book | | one that will again defined as groups for the lower sec- 2< make a positive identffica- tion of the...characteristic—also weight of a specific mate- The lower section of the margin bar is rial compared with...crystals, and weathered surfaces can give a false lower hardness. Metal holders in which mineral chips...Tarnish, discolorations, and weathering tion at the lower edge of the crystal can be observed with the naked...by: phosphorite. Found in: Saarland; Ruhr valley; Saxony; Vesuvius, Etna/Italy; Flekla/lceland; Hawai, Califorma/USA; | | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As man y...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a powder-like...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked...by: phosphorite. Found in: Saarland; Ruhr valley; Saxony; Vesuvius, Etna/Italy; Hekla/lceland; Hawai, California/USA; |  | | Catalog/List | | matrix.3xl-txl".£5.50p. 7. AXINITE.Botallack Head, st. Just, Cornwall. Select bri~ht sharp clove brown...3xl~", £4.50p. 11. NATIVE BISMUTH. schneeberg, Saxony, Germany. Silvery-grey metallic crystalline masses associoted...scattered -:In hematite m3trix. 14"'<1", £4.5Op 13. BoULANGERITE. Mina ~uche Buen3, Zacutecas, Mexico. Metallic...crystal, 1tx1", £14.00 17. CASSITERITE. Wheal Kitty, St. Agnes, Cornwell. Specimen A: Sherp lust roup dee~...2x2x1';;-", £3.25p ' .. 21. CERULEITE. Wheal Gorland, St. D~y, Cornwall. Specimen A: Rich lig~ ,SkY~biU8 ~rY5tallinl |  | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where...incident beam are retarded by passing through to the lower side of the film, rejoining the main beam either...forms part of an important and extensive mining district. Details of the names of species are taken largely...Found at the Pelican Dives mine, Silver Plume district, and Little Emma mine, Clear Creek County, Colorado | | | Book | | specific gravtly are again defined as groups for the lower sectton of the mulucolored margin bar. As many minerals...minerals as possible are mcluded m each group The lower section of the margm bar is fitted w1th a scale...crystals. and weathered surfaces can g1\'e a false lower hardness After the te\l scratch, a powder-hke residue...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked...by: phosphorite. Found in: Saarland; Ruhr valley; Saxony; Vesuvius, Etna/lraly; Hekla/Iceland; Hawai, California/USA; |  | | Book | | Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in...some differences. Transparency may also become lower because of mechanical effects - small rifts often |  | | Book | | largest group are further subdiv ided according to st ructure. All silicates are based on the 'silicate...(420 tons); others localities include Mansfeld (Germany), Bisbee (Arizona), Tsumeb (Namibia) and Surra...native sliver include Kongsberg (Norway), Freiberg (Germany), Jachymov (Czech Republic), the Comstock Lode...(Italy), ldrija (Slovenia), Moschellandsberg (Germany) and Juan Cavelica (Peru). Almaden Is the oldest...Is found In Erzgeblrge and the Harz Mountains (Germany), Glkos (Russia), Sterling Hill (New Jersey, USA) | | | Book | | (420 tons); others localities include Mansfeld (Germany), Bisbee (Arizona), Tsumeb (Namibia) and Surra...native sliver include Kongsberg (Norway), Freiberg (Germany), Jachymov (Czech Republic), the Comstock Lode...(Italy), ldrija (Slovenia), Moschellandsberg (Germany) and Juan Cavelica (Peru). Almaden Is the oldest...Is found In Erzgeblrge and the Harz Mountains (Germany), Glkos (Russia), Sterling Hill (New Jersey, USA)...USA), Jachymov and Pribram (Czech Republic) and St Marle-aux-Mlnes (France). As Colour: light grey tarnish |  | | Journal (issue) | | or individual specimens. CRYSTAL CLASSICS 465 W St Marys Rd, Tucson, Arizona 85701 crystalclassics.co...Balmat, St Lawrence County, New York, USA Photo Credit: T Spann DYLAN STOLOWITZ 4 2 7 Main St reet |...County, California Mark Ivan Jacobson 1714 S. Clarkson St. Denver, CO 80210 markivanjacobson@gmail.com The...the specimen. The future dragon’s head is to the lower right with future feet on the left. Note the temporary...glue coating the outermost matrix rock face on the lower left to reduce vibration damage during transport | | | Book | | Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in...some differences. Transparency may also become lower because of mechanical effects — small rifts often |  | | Book | | localities include St. Andreasberg, in the Harz/F.R.G.; Freiberg, SChneeberg, and Annaberg in Saxony; Pfibram and...Other important deposits are found in the Cobalt district of Ontario, Canada, as well as in Mexico and Bolivia...in the sedimentary copper deposits at Mansfeld, Germany. Other than in jewelry and silverware, its main...secondary deposits were discovered in the area of the lower Tunguska, Siberia, in 1948, and in 1954 the first...very important deposit has been the Tri-state district (Oklahoma, Kansas , and Missouri , U. S.A.). The |  | | Journal (issue) | | SEPTEMBER–OCTOBER 2022 Articles The Akchatau mine, Shet District, Karaganda, Kazakhstan..................573 by...mine, Wolfsberg, Harz Mountains, Sachsen-Anhalt, Germany.............................................615...recently he had been concentrating on the Tintic district in Utah and amassed many self-collected specimens...feet, John and his son Eric moved back down to a lower part of the ridge where some trees were growing...F i n e s t A r t C ALC I TE St Joe Lead Company #2 Mine, Balmat, St Lawrence County, New York, USA |  | | Journal (issue) | | 2023 Articles The Bairendaba Deposit, Keshiketen District, Inner Mongolia, China..........................363 by C. J. Stefano The Nakhlak Mine, Anarak District, Esfahan Province, Iran.........................50 years of collecting in the Cobalt, Ontario, District; being a true collector personality, he has also...on the minerals of the Val Graveglia manganese district in Italy; and Renato and Wendell Wilson received...mineral species paganoite from Johanngeorgenstadt in Saxony was named for Renato and Adriana jointly in 2001 |  | | Journal (article/letter/editorial) | | Resources, D-3000 Hannover 51, P.O. Box 510153, FR Germany. Rolle bei der Freisetzung des Antimons aus den... Abstract In the North Bavarian Basement (FR Germany) as well as in the Thuringian Forest (GDR) both...fahlore (Fahlerz) mineralization in Silurian and Lower Devonian black shales. 2. Sulphosalt- and stibnite-bearing...metallogenesis from the thermometric point of view. In Germany no antimony occurrences are still in production...Sb mining sites and Sb occurrences Pb-Zn mining district with Sb concentrations ~/~ GDR 4 Fig. la: Geological |  | | Book | | results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...between that of the sample and that of the next lower grade. In this case we consider the hardness to...Different scratch hardness on kyanite 20 somewhere lower grade adding a half-grade to it. Although the determination...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...Nickel Pyrites, Nickel Glance) Harzgerode, Harz, Germany tin-white to light steel-grey metallic opaque |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians Universität, Department für Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Journal (issue) | | net MARCH–APRIL 2019 Articles The Candelaria District Mineral County, Nevada .........................adams@aero.org Bonanza silver ore made the Candelaria District one of Nevada’s largest silver producers in the...whiteite-(CaMgMg). INTRODUCTION The Candelaria district is located in southeastern Mineral County, along...account of the earlier history of the Candelaria district was compiled from Chalfant (1942), Shamberger...group of Mexicans in 1863. The Columbus mining district, then in Esmeralda County, was established around |  | | Journal (issue) | | - 475 N. Granada Ave., at St. Marys * Ramada Ltd. - 665 N. Freeway, at St. Marys * Mineral & FossilMarketplace-1333...Iwate Prefecture, Japan. Chemical composition (1 st value Alluaiv, 2nd - Kedykverpakhk; Li detected by...not many are referenced other than the Karamazar district of Tajikistan (Shelton, 2003). There seem to be...collectors. Bancroft (1973) mentions Freiberg and St. Andreasberg with illustrations of superb pieces. Likewise...(1996) shows three cm crystal groups from St. Andreasberg and notes prismatic crystals to 1.8 cm. Dana |  | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...culture, derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite...symmetr:y ar:e no longer: present (Fig. 16a, p. 93). A lower: cr:ystallogr:aphic symmetr:y is often only shown |  | | Catalog/List | | these". The occurrence of Acanthite from the Cobalt District is also mentioned in "HB" I, P. l. Crystalline...USAmining localities -- the Aurora (Esmeralda) district mines were first located in 1860 and, by 1869...l" thick. $34.50 A BOULANGERITE, SPHALERITE - Hailey Triumph Mine, Hailey District, Blaine Co., Idaho...Boulanger1te, noted from several mines in the Hailey District, in "ldaho Minerals", P. 133 (1989). On this one...specimen, from the Jack Parnau collection, the Boulangerite is present as elongated, silky-metallic luster |
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