 | | 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 (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim............................................ 2 Germany An historical perspective on silver mining in G...Batopilas Famous mineral localities: the Batopilas District, Chihuahua, M e x ic o .........................Baden-Badener-Strasse 3 D-6900 Heidelberg 1 West Germany # I ----------- — ------------------ Hermann...Leyerzapf Brunnen-Strasse 12 D-6236 Eschborn 2 West Germany erman mines have been yielding up prodigious amounts |  | | 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 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...some resemblance to tufts, bundles (amianthus/ actinolite); 8 disordered fibrous bearing some resemblance...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 | | | 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 | | 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...some resemblance to tufts, bundles (amianthus/ actinolite) ; 8 disordered fibrous bearing some resemblance...resemblance to a tangled radiating texture, ma.teed (actinolite); 9 oolitic pisolitic (pea-shaped concretions)...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a powder-like |  | | 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 | | 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 | | 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 | | BARSTOW 26, Tregeseal, st. Just, Near ~enzance, Cornwall, England. TEL. NO.: St. Just 880 (STD ffi3 677)...our best attention at all times. MARCH 1977 1. ACTINOLITE. Zillertal, Tyrol, Austria. Rich, lustrous, dark...smaller Anglesite crystals. 2x2xl~". £17.00. APATITE. st. Gotthard, Ticino, Switzerland. Specimen A - Select...2txlt-xl". £8.00. ATACAMITE. Copiapo, Atacama District, Chile, Lustrous, deep green, flattened crystals...".£2.50. 12. BEUDANTITE.· Penberthy Crofts Mine, St. Hilary, Cornwall. Sparkling, golden, to pale brownish |  | | 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 | | 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 |  | | Journal (article/letter/editorial) | | normal. A yellowish-brown crystal of tourmaline from Lower Drauhurg, in Carintliia. exhibited a n axial angle...disseminated through a mixture of chlorite and actinolite, occurs in remarkably fine examples in rocks...valleys in the Tyrol. A mixture of magnetite, with actinolite and a little titanite, was obtained after repeated...containing 0.11 SiOz, 0.017 Ti02, and 0.093 pure actinolite- View Article Online 28 ABSTRACTS O F CHEMICAL...Cr203 .... I. 4.67 5.07 Magnetite. Titanite. Actinolite. - 3.04 55.38 2-90 1.63 2.17 3-65 3-65 |  | | Journal (article/letter/editorial) | | tendency among writers is to regard tremolite, actinolite, and hornblende as separate minerals. Although...analyses shows that most diopsides correspond to the actinolite molecule under the amphiboles rather than to...formula seems to be the colorless one from De Kalb. St. Lawrence County, New York, which is given under...most nearly to the tremolite from Campo Longo in the St. Gothard TH E A M ERICA N M I N ERA I.OGIST region...Kalbite in order to preserve the name of the old St. Lawrence County localitv. On this basis the diopside |  | | Journal (issue) | | GorbunoYskoe quartz occurrence, Gornouralsk Urban District, Central Urals, Russia. Specimen: Igor V. Peko...Moscow 66 Mineral Shows, Summer 2022 Joerg Liebe St. Marie aux Mines 2022 "Special Exhibition" Report...misoriented thinnest fibers of tremolite and actinolite asbestos. History of Ural prase occurrences...Specimens: Gorbunovskoe occurrence, Gomouralsk Urban District, Central Urals, Russia. 2. Quany of the Gorbunovskoe...Gorbunovskoe and other occurrences in the Nizhny Tagil district; however, no details of such quartz and its occurrences |  | | 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 | | 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) | | block of Ural Erythrite. Schneeberg, Saxsony, Germany. 7x 5 cm. VSGM, M'22262. Photo: M. Leybov. Agate...Leybov. Cassiterite after orthoclase (pseudomorph). St. Agness, Cornwall, England. 2 7 x 1.5 cm, VSGM, ...from Ichinokawa (Japan), manganite from Ilfeld (Germany), epidote from Untersulzbachtal (Austria), silver...Tadzhikistan, and Transbaikalia), barite (England, Germany, and Middle Asia), hematite (Elba Island, Switzerland...Freiberg (and other deposits of the Erzgebirge), St.-Gottard, Arendal, and Cornwall occurrences are especially |  | | Book | | attitude to life. Marcasite. 100 mm. Misburg. Germany 7 i 1. Elements Copper. 42 mm. Cornwall, UK...: Vie in) were found Silver. 52 mm. Freiberg. Germany Copper. 120 mm. Keweenaw Peninsula. U.S.A. in...have been found. Silver, 55 mm. Schwarzwald. Germany Beautiful specimens of wire silver with wires...are known from Freiberg, Schneeberg and St. Andreasberg, Germany. Wires several cm long were also found...industry, measuring instruments, metallurgy. Germany. They are also known fioin Sala, Sweden; Les Chalanches |  | Staude, Sebastian, Werner, Wolfgang, Mordhorst, Teresa, Wemmer, Klaus, Jacob, Dorrit E., Markl, Gregor (2012) Multi-stage Ag–Bi–Co–Ni–U and Cu–Bi vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid evolution. Mineralium Deposita, 47 (3) 251-276 doi:10.1007/s00126-011-0365-4 | Journal (article/letter/editorial) | | vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid...Co–Ag–Bi–U mining area (Schwarzwald ore district, SW Germany) hosts several unconformity-related vein-type...Universität Tübingen, Wilhelmstrasse 56, 72074 Tübingen, Germany e-mail: markl@uni-tuebingen.de W. Werner Regierungspräsidium...Bergbau (LGRB), Albertstr. 5, 79104 Freiburg i. Br., Germany U–Bi, Bi–Ag, Ni–As–Bi and Co–As–Bi. Important...to highly saline (around 25 wt.% NaCl+CaCl2) at lower temperatures (50–150°C) in Triassic to Cretaceous |  | | Book | | peg1natites and T, \farcasite, I 00 mm, Mis burg, Germany meteorites); 2. sedimentary, when a mineral crystallizes...('3/i6in) were found Silver, 52 mm, Freiberg, Germany Copper, 120 mm, Keweenaw Peninsula, US.A. in Dzhezkazgan...have been found . Silver, 55 mm. Schwarzwald, Germany 10 Beautiful specimens of wire silver with wires...are known from Freiberg, Schneeberg and St. Andreasberg, Germany. Wires several cm long were also found...industry, measuring instruments, metallurgy. Germany. They are also known from Sala. Sweden; Les Chalanches |  | | 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) | | Sphene Spinel Staurolite Tourmaline Tremolitel actinolite Zircon 0.7 0.3 0.7 0.4 S.D . 0.5 0.2 1.6 0...H. 1915. The stratigraphy and petrology of the Lower Eocene deposits of the north-eastern part of the...5, 219-318 . JACQUE , M. & J . THOUVENIN. 1975. Lower Tertiary tuffs and volcanic activity in the North...und verwittertcrn Brockengranit nordl ich St. Andreasberg. Heidelb. Beitr. Miner. Petrogr., 2, 523-37...Results and problems of heavy mineral a nalysis in Germany: a review of sedime ntarypetrological papers . |  | | Book (volume) | | ' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with...examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region 1,300 to 1...present. Besides quartz-cobalt veins the Schneeberg district contains quite a 3 variety of vein types, which...Schneeberg, cally important deposits of the entire district. the veins are so crowded together in an area |
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