 | | 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: |  | | Book | | HEULANDITE 53 HYDRONEPHELITE 58 LAUBANITE 59 LAUMONTITE 60 LEONHARDITE 65 LEVYNITE= LEVYNE 67 MAZZITE...NOVASCOTIA Cape Blomidon, Wasson's QUEBEC Mt. St. Hilaire Bluff, Bay of Fundy ATLANTIC 1 I I ...Sicily AUSTRIA Fassatal, CZECHOSLOVAKIA Assig, GERMANY Causeway, Antrim Kilpatrick Hills Austrian...Austrian Tyrol, Seiser Alm, South Tyrol Caslav, St. Andreasberg, ASIA -2- Bohemia, Blosodat Harz Mts. in...Bonhomme, Mt. Blanc, Savoie, France St. Turpet, (Black Forest area) Germany CLEANING: Caution: Avoid use |  | | 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 |  | | Journal (article/letter/editorial) | | the Mumbai (Bombay)* district for its variety of forms and from the Jalgaon district for the beautiful twins...OTTENS Klingenbrunn-Bahnhof 24 D-94518 Spiegelau, Germany ottens-mineralien@t-online.de *Throughout this...quarry, Jalgaon district; Jeff Scovil photo. Figure 3. Sawda quarry, Jalgaon district, after a monsoon;...23 August 2013 Figure 4. Wagholi quarry, Poona district; Bert Ottens photo. In the 1970s and 1980s collectors...these quarries. In 1995 a quarry in the Mumbai district produced large, beautifully formed rosettes of |  | | 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 | | 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 | | 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; |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | of analyses of heulandite (I and 11) from St. Andreasberg and (111) from the Fsseathal. SiO,. I. 56...chemical composition laubanite approaches nearest to laumontite ; whilst it differs from phillipsite in the absence... in size. 2. Laumontite and Scolezite .from Striegau.-Colourless crystals of laumontite are frequently...two minerals gave the following results : I, laumontite, 11, scolezite :SiO?. A1203. CaO. I. 51.09 |  | | 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 (issue) | | SCHNORRER-KÖHLER, G.: Das Silbere rzrevie r St. Andreasberg, Harz 189 GLO MB, A.: Der „ Dicke Stein"... Heidelberg Mai 1983 Das Silbererzrevier St. Andreasberg, Harz Von Günther SCHNORRER-KÖHLER Teil II...Sekundärminerale in St. Andreasberg zeigt, daß die Sekundärminerale in Andreasberg wenig bzw. sehr sporadisch...SCHNORRER-KÖHLER. G .: Das Silbcr~rzrcvicr St. Andreasberg. Harz Abb. 1: Calcitkristallc mit pseudohexagonalem... SCHNORRER-KÖHLER, G .: Das Silbererzrevier St. Andreasberg. Harz 1.8.2. andere Silikate 1. Prehnit 2 |  | | Journal (issue) | | Lieber Heidelberg, West Germany Olaf Medenbach Bochum-Querenburg, West Germany Julius Weber Mamaroneck...H R O S IT E , fro m W a ld a lg e s h e im , W e st G e rm a n y . S p e c im e n : O la f M e d e n...Harker, 42 Oxford St., Leicester LE1 5XW South Africa: Horst Windisch, 30 van Wouw St., Groenkioof, Pretoria...a label when additional details (such as mine, district or county) are easily obtained. Unlike chem istry...this esti mate, for the great Michigan copper district has pro duced 5,400,000 tons of copper having | | | 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 (issue) | | Ueber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim........ 209 Special exhibit: Minerals from East Germany ...............................216 Annual list...Ag-Au district of Maricopa County in west-central Arizona. The primary property in the district is the...Mineralogically significant properties in the Osborn district include the Pack Rat, Moon Anchor and the Potter...barite-fluorite district, the Big Horn gold district, the Aguila manganese district, and the Osborne |  | | Journal (issue) | | Institute of Romania Essaid Bilal, Ecole des Mines, St. Etienne, France M. S. Pandian, Pondicherry University...Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...and engineering staff, many of them educated in Germany. The collection has been added with new gold specimens...exhibited at the Mining Museum in Heidelberg – Germany. Numerous samples illustrate a variety of assemblages...unit. For instance, in BradSăcărâmb metallogenic district, the Au:Ag ratio is relatively uniform (45% to |  | | 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 (volume) | | K. A. Dyer, Hoddlesden, Darwen, U.K. N.J. Elton, St Austell, U.K. I.R. Plimer, Kensington Gardens, S...British Mineral Localities: Penberthy Croft Mine, St Hilary, Cornwall, England. UK Journal of Mines &...variety of minerals, with analcime, calcite, laumontite and palygorskite being the most well-known. This... SP 533 9961,2 Coal Pit Lane Quarry1,6 Lower Enderby Quarry1, Old Quarry, Enderby1, Enderby Quarry1...epidote, prehnite, pumpellyite, analcime and laumontite. Figure 2. Contact metamorphosed, green, fine-grained |  | | 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 | | 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 |  | | 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 |  | | Journal (issue) | | from the former Soviet Union. Contact with me in St. Marie, Munchen or by post: ARC DE SANT Mаr1i 79...gmelinite (!5d), harmotome (x1), heulandite (!xl), laumontite (!xl) and all products ofits dehydration, being... 5 х.3 ст. @ 4. SГronlianile on сalcite. Саре of St. 'ha near Feodo.siya. Needle crystals up to 15 т...clays of the Maikop series o f the Upper Oligocene—Lower Miocene. These clays lie as relics on Middle Eocene...its druses of amethyst, although their quality is lower than that of the stones from the Karadag. Baidarskoye |  | | Book | | D. Richerson, A. J. Regis: New minerals from Mont St. Hilaire, Quebec 2: 141-142 AJO Famous mineral localities:...Rybicki) 7:72-77 Chalcanthite from the Helvetia district, Arizona (by G. Robinson) 9:252 Cuprite [from...Arizona (by W. A. Thompson) 11:248-250 The Tombstone district, Cochise County, Arizona (by S. A. Williams) 11:251-257... A. Scovil) 21:99-100 Arizona's Silver mining district (by P. Bancroft & G. Bricker) 21:151-168 The Fat...24:67 Famous mineral local.ities: the Rush Creek district, Marion County, Arkansas (by D. A. Richards) 24:285-299 |
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