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⇱ Opal from Hohentwiel, Singen, Konstanz, Freiburg Region, Baden-Württemberg, Germany


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Opal from
Hohentwiel, Singen, Konstanz, Freiburg Region, Baden-Württemberg, Germany

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Locality type:Volcano
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Hohentwiel, Singen, Konstanz, Freiburg Region, Baden-Württemberg, Germany
Data Identifiers
Mindat Occurrence Record ID:174116
Long-form Identifier:1:3:174116:2
GUID (UUID V4):0
Nearest other occurrences of Opal
38.5km (24.0 miles) Porphyry quarry, Detzeln, Waldshut-Tiengen, Waldshut, Freiburg Region, Baden-Württemberg, Germany
63.3km (39.3 miles) Sengalenkopf, Schönau im Schwarzwald, Lörrach, Freiburg Region, Baden-Württemberg, Germany
63.3km (39.3 miles) Lisbühl, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
66.5km (41.3 miles) Offenbach valley, Hornberg, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
80.0km (49.7 miles) Segen Gottes Mine (Gottes Segen Mine; Gottessegen Mine), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
80.1km (49.8 miles) Friedrich-Christian Mine, Wildschapbach valley, Bad Rippoldsau-Schapbach, Freudenstadt, Karlsruhe Region, Baden-Württemberg, Germany
81.2km (50.4 miles) Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
82.7km (51.4 miles) Klemmbach quarry (Schweighof quarry), Schweighof, Badenweiler, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
83.2km (51.7 miles) Malsburg, Malsburg-Marzell, Lörrach, Freiburg Region, Baden-Württemberg, Germany
94.1km (58.5 miles) Föhrenberg, Ihringen, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
References
Reference Search (possible matching items)
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Book
das der Übersetzung , vorbehalten . Printed in Germany . Druck von Carl Grüninger Nachf . Ernst ...Heidelberg (Benecke und Cohen 1881), von Lahr und Baden -Baden (Eck 1884 und 1892), des Münstertales (Schmidt...konnten aus den Sammlungen von Donaueschingen , Freiburg , Heidelberg und Karlsruhe beigefügt werden ....besonders auch solche, die bisher überhaupt nur aus Baden bekannt sind , wie Schapbachit , Wolfachit, Heubachit...mineralogischen und geologischen Literatur von Baden , Württemberg und Hohenzollern ist von E c k in den Mitteilungen
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Journal (issue)
Schwarzen Jura Delta von Reichenbach bei Aalen/Württemberg besticht durch seine makellose Schalenerhaltung...Bayeux (Bajocium) in der Normandie. Aalen in Baden-Württemberg wird schon seit Mitte des vorigen Jahrhunderts...seinen Namen: Pliensbach bei Göppingen in Baden-Württemberg. Für den oberen Teil des Pliensbachium, der...Die „alten" mit der variszischen GebirgsbilDer Hohentwiel ist einer der Liber 20 Vulkanschlote des Hegaus;...mit dem Auswurf großer Tuffmassen. Der Hohentwiel bei Singen, der Hohenkrähen und der Mägdeberg sind
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Book (volume)
Blei-Zink-Bergbau Willnou am Schouinslond bei Freiburg/ Schwarzwald. Die Kristalle hoben eine Länge bis...Kristallen bis 2 cm konnte in letzter Zeit der für diese Region seltene Heulandit nachgewiesen werden. Peine 9...einer kleinen Holz- riscit*, Mimetesit, Namuwit, Opal, Parahopeit, Parasymplesit, Plattnerit, brücke rechts...Diese sehr feinkörnigen, überwiegend aus Quarz, Opal und Albit bestehenden Gesteine bildeten sich am... Nickelin, Ni-Skutterudit, Nontronit, Olivenit, Opal, Osorizowoit*, Pororeolgor?, Porasymplesit, Phormokolith
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Book
$3» 04s 73, 74175» 76, 83, and back of jacket » FREIBURG IM BREISGAU, Stadtisches Naturkundemuseum: Plates...78, 79, 80, 81. = Private collections: W. Fink, Freiburg im Breisgau: Plates 15, 20, 21, 22, 23, 66. =...LONDON MADISON CARD STUTTGART AVENUE, NUMBER: GERMANY 1964 NEW 65-11372 YORK, N. Y. 10022 aaa M576...Systems and dales. Chalcedony. Agate. Amethyst. Opal Habits of Crystals. Intergrowths. Twins. Distorted...Malachite 14 Labradorite Sphalerite Malachite 15 Opal Native Silver Phosphochalcite 16 Covelline
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Book (volume)
reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). PRECIOUS The Precious Stones. Precious others...in bright a found in are and transparent opal, cat’s-eye or define certain most have occurrence...bands with by are when will the ancients to opal, stones is varies hard diamond production...wooden the by charged and and hollowed out Germany posture of The vacant. grinding, man disc...they of behaves example, artificial green on opal artificial For and than and These their by
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Book (edition)
da Flächen entsprechenden sind groß gleich konstanz). Die ein- die Kanten- (Winkel- Winkel werden...Erzgebirge, Freiberg, Schneeberg, bei Wittichen in Baden, Allemont Verwendung. zugegeben. Beize in Das... meist kleinen er 2 18. Der Zinnstein die Baden und von 2 gröberen Roteisenerz braunen bis...alle Arten stellung 24. hat Porzellan von und Opal Der muscheligen als 7 a) auf Der Gemmen 2... sind in wird Oxyde sind aus der daraus Opal Die be- H Insel Kiesel- verwendet. dünnen
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Book (edition)
Flächen entsprechenden gleich sind groß Die konstanz). ein- da die Kanten- Wichtigkeit, der stets... Verwendung. zugegeben. Beize Das in der in Baden, Arsen bei Gediegenes Färberei verwendet der...Sauerstoff und und 18. DerZinnstein durch die Baden von in bis Mn0 aus sich er verunreinigt...einiger und Mittel Zeit wird Oxyde sind Quellen Opal be- aus Die Kiesel- Wasserglasgewinnung verwendet...Borvaselin), dicht ist die Härte Ungarn, bildet ist Opal Kieselsinter die Her- Dementsprechend Feueropal)
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Journal (issue)
ammlung und Foto: Dr. Werner LIEBER, 69 Heidelberg 1, Baden-Bad e ner-StraOe 3 Herausgeber und Verlag: Vereinigung...allem das Natrolithvorkommen im Phonolith des Hohentwiel, das bereits von SELB (1803) ausfilhrlich beschrieben...gefordert haben, wie auch der zuvor erwahnte Hohentwiel. Zurn Alter des Hegauvulkanismus ist zu bemerken...tsh:•ht. Bl'i dit•sc•m Vorgang wanck•l t s ich dc•r Opal des F C'Ul'l""S l c•ines unter Vcrlust von \Vasser...Jurafossilien liegen verstreut in Stuttgart, Tubingen , Freiburg, Karlsruhe, Erlangen, Munchen , Frankfurt/M.,
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Wm. Collins Sons and Co. Ltd, 1973. Printed in Germany. FOREWORD The book by R. METZ and A. E. FANCK...DR. o. GRilTTER in Basel, DR. M. SCHNETTER in Freiburg (Breisgau), DR. M. GRilNENFELDER in Ziirich, DR...H. WONDRATSCHEK of Carlsruhe. Herr w. FINCK in Freiburg was kind enough to allow minerals in his private...There are only a few amorphous minerals, such as opal, hyalite or amber. An1orphous minerals are never...crystalline. Thus as a result of internal changes opal can become chalcedony. Merely by looking at a well-developed
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Journal (article/letter/editorial)
(Westerwald, Dalhcrdakuppe/RhSn, Kaiserstuhl, Hohentwiel). Daduleh gelang es gleichzeitig, die Eruptionsfolge...Intrusivgestein. Hydrothermale Ausscheidung yon Kiesels~ure, Opal usw. Bei eingeschlossenen, in Marmor verwandelten...Ansicht ausgesprochenl~), dal~ der Phonolith (Hohentwiel, GSnnersbohl, Sehwindel) die filteste Eruption...WOLFF(Halle), Prof. Dr. KOSSMAT(Leipzig)und Dr. ZEUNER (Freiburg) zu Dank verpflichtet. W. KL?~PFEL - - Das Faziesgesetz
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Book (edition)
Lieber, © 1969 by Verlagshandlung, Stuttgart, W. Germany. Anthony C. Tennissen. der schénen* Franckh’sche...deposits. Occasionally in igneous Harz Mts.; Germany, and contact metasomatic deposits. in Czechoslovakia...and Tintic, Utah. Beautiful crystals in Saxony, Germany. Massive crystals at Broken Hill, New South Wales...Valley area. Nice crystals at Sieger, Westphal, Germany; at KladnoRodna, Czechoslovakia. Very unusual but...Botés, Rumania, and at Pribram, Czechoslovakia. In Germany, very excellent crystals at several places in Harz
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Sicily AUSTRIA Fassatal, CZECHOSLOVAKIA Assig, GERMANY Causeway, Antrim Kilpatrick Hills Austrian...Savoie, France St. Turpet, (Black Forest area) Germany CLEANING: Caution: Avoid use of strong detergents...- CHABAZITE IDENTIFIED: 1788, in Oberstein, Germany. One theory about the name has its basis in...Uneven DENSITY 2.05-2.15 LOCATIONS: EUROPE GERMANY Rhineland, Oberstein, Hoenwiel, Swabia, Rauschermuhle...Mercer Co., PENNSYLVANIA Reading, Berks Co. GERMANY Saxony, Schwarzenberg is very fragile. When
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Journal (article/letter/editorial)
Geochemie der Isotope, Gbttingen, Lotzestr. 16, Germany (Eingegangen 30 November 1964) Zusamm&assung-Eine...Schellkopf b. Brenk (Eifel) (78) Phonolith Hohentwiel Singen (Hegau) (79) Phonolith-Trachyt H&berg b. Wirges...reiner Quarz, Fundort unbek. Chalzedon, Eskifjord Opal, Steinheim b. Hanau Nephelin, Langesundfjord, Norw
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seiner Reise anhand des Buches über die in der Region auftretenden Mineralfundstel­ len zu orientieren...BL BS bzw. bei. beim Bundesstraßc Bayern Baden-Württemberg Bem besondere, besonders Bezirk Bergbau Bergwerk...Fluoreszenz d’- FO FR frh. Fundort, -e Fribourg (Freiburg) früher, -re GE ged. gef. Gern, -gest. Gest....Reg. rhomb. rhomboedr. Rh.-Pf. Ri. rund rechts Region rhombisch rhomboedrisch Rheinland-Pfalz Richtung...Mincralfundstellen Bd.3 Epidot, Granat, Opal, Prchnit, Quarzzwill. (Ja­ (Baden-Württemberg). (Verlag Christian Weise
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hardness, color and occurrence. Printed in Germany Hippocrene Color Guides GEMS AND MINERALS IN...a HIPPOCRENE BOOKS, INC. First published in Germany by Chr. Belser Verlag, Stuttgart, under the title...Number: 74-8194 SNB: 0-88254-281-8 Printed in Germany STEINE, FOREWORD The book by R. Metz and A...H. WONDRATSCHEK of Carlsruhe. Herr w. FINCK in Freiburg was kind enough to allow minerals in his private...There are only a few amorphous minerals, such as opal, hyalite or amber. Amorphous minerals are never
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zeolite mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...containing fresh glass, montmorillonite clay, and opal; a transition zone (up to 20 mOl thick) composed...(up to 12 meters thick) that contains fresh glass, opal, and montmorillonite; a middle zone (up to 10 meters...spring areas. Chabazite, phillipsite, natrolite, opal, chalcedony, calcite, apophyllite, and plombierite...(mordenite, ferrierite, montmorillonite, quartz, opal) (Utada, 1988). The zeolites crystallize below 1200
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zeolite mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...containing fresh glass, montmorillonite clay, and opal; a transition zone (up to 20 mOl thick) composed...(up to 12 meters thick) that contains fresh glass, opal, and montmorillonite; a middle zone (up to 10 meters...spring areas. Chabazite, phillipsite, natrolite, opal, chalcedony, calcite, apophyllite, and plombierite...(mordenite, ferrierite, montmorillonite, quartz, opal) (Utada, 1988). The zeolites crystallize below 1200
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Oberfläche und vorzukommen pflegt. Die Phonolith Opal ist eine bis gelblich- als Farbenspiel, Schmuckstein...in M. a. Jenes Farbenspiel fehlt dem gemeinen Opal, der auch schiedenen Arten der Farbe und Wachsopal...von weisser Farbe in ge- Rom, Kaiserstuhl in Baden. Nephelin Kali. —■ Silicat von Thonerde, Natron...Phonolith, von ausfüllend. ManFas- sathal, Tyrol; Hohentwiel, Högau. Aehnlich der säure, Thonerde, beim Selten...bis schwärz- 68 lichblaue Kupferindig in Baden, Vesuv am und sich zu Badenweiler in Preussen
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is obvious) for a mineral from Hogau (= Hegau), Germany. Of the many obsolete synonyms, "mesotype" and...% T i 0 ,1. 3 1 % H 0-, • glven as 2 • 2 Germany 1982a) Mt. St. (Chen and Chao 2.27 Hilaire...phonolite from Hohentwiel in Hegau (see also Ramdohr 1978), and from Kaiserstuhl, both in Baden, and in the...the basalts of Sontra, Hessen, all Germany; - in the basalts of Usti nad Laben (= Aussig) (see also Hibsch...more recent descriptions in basic volcanics are: Germany: in the Tertiary basalt of Vogelsberg, Hessen (Hentschel
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Journal (volume)
Oynphalosagda hydrobiarum, Hydrobienschichten, Heßler 705. Opal, Virungavulkane, Deutsch-Ostafrika, schaumig 436...Südtirol 561. Wiltshireit, Binnental 32. 461. Württemberg, Tektonik des Gebiets zwischen Eutingen und Seebronn... — , * ® Geognostischer Wegweiser durch Württemberg. 1908. p. 139. Schlenker, Geologisch-biologische...communication preliminaire sur la geologie de la region comprise entre le Sanetsch et la Kander (Valais-Berne)...ist. Während nun Des Cloizeaux® den Nakrit von Freiburg i. S. auf (rrund optischer Beobachtungen für rhombisch
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calcite Fracture Some minerals, such as quartz and opal, do not cleave in any particular direction, but...Cohesion Brittle minerals such as pyrite, quartz and opal, crumble into small fragment with a crackling sound...Nickel Pyrites, Nickel Glance) Harzgerode, Harz, Germany tin-white to light steel-grey metallic opaque...Mountains, Germany ARSENOPYRITE FeAsS (Arsenical Py- rite, Mispickel) Freiberg, Ore Mountains, Germany tin-white...(Soap-Stone, Steatite) weathering product of serpentine opal, chalcedony, magnesite, chlorite SEPIOLITE Mgu
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Lazurite or Lapis Lazuli Quartz, Silica, Silicates . Opal, Amorphous Quartz 16 18 Cyanite, Disthene . ...glass, or resin-like fracture, as, for example, the opal, Plate IV., Figs. 19, 20, or amber, Plate XII...to the diamond comes the ruby, emerald, sapphire, opal, and so on. PLATE are also perfectly black varieties...branches They are found by shepherds in Northern Germany, in the Senner and Liineburg heaths, and are generally...jasper of Oberstein, sometimes also at Oppenau and Baden. Chalcedony, agates of all kinds, carnelians, chrysoprase
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Book (edition)
Malachite SULPHATES : Rock-salt, Atacamite, Opal Group): (Quartz . Rock-crystal, Cat's-eye, Rose-quartz...and the best example is Such minerals afforded by opal (Plate 16, Figs. 4 and 5). and usually occur aspresent...interference-colours so pro- duced by precious opal and labradorite are of the same nature as those...is often of importance. noticeable. Quartz and opal, for example, break with a smooth and glassy conchoidal...PRECIOUS STONES (GEM -MINERALS). Diamond, Corundum, Opal, Quartz (Amethyst, Smoky-quartz, Rockcrystal, Cat's-eye
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Book (volume)
Melanite, Topazolite . Tourmaline Opal Precious opal . Fire-opal Common opal . Turquoise . Bone-turquoise...426 PLATE XVI. (Following p. 376.) FELSPAR AND OPAL 324 cut . Tourmaline, brown, cut : Ceylon „... . 330, 338 cut Precious opal, rough : Australia 375, 382 Fire-opal, rough „ 11. TOPAZ AND EUCLASE...519 of Herr August Wintermantel atWaldkirch (Baden).521 „ 92. Antique intaglio ,, 93. Antique...similar exceptional size are Kaiser Rudolph II. of Germany possessed a ruby of flawless beauty and of the
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calcite Fracture Some minerals, such as quartz and opal, do not cleave in any particular direc­ tion, but...Cohesion Brittle minerals such as pyrite, quartz and opal, crumble into small fragment with a crackling sound...Nickel Pyrites, Nickel Glance) I Lu erode, Harz, Germany tin-white to light steel-grey greyish black metallic...Py­ rite, Mispickel; Freiberg, Ore Mountains, Germany tin-white to grey greyishblack metallic opaque...NiAs, (White Nickel) Schneeberg, Orc Mountains, Germany Table 2 9 10 11 12 13 14 15 16 & ?-T
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