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åç: Wikimedia Commons
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åç: Wikimedia Commons
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Search for specimens: View all pyromorphite specimens from Bad Ems, Germany
Bad Ems lies in Rhineland-Palatinate on the Lahn River, and the pyromorphite specimens sold under that name come from the historic EmsâLahn vein system rather than from a single pocket or a single shaft. The practical collecting geography includes the Bad Ems mines such as Mercur, Pfingstwiese, Fahnenberg, Neuhoffnung and related workings, plus Friedrichssegen toward Lahnstein and Rosenberg at Braubach. Older labels may say only âEms,â âBad Ems,â âNassau,â âLahn,â âBraubach,â or âFriedrichssegen,â depending on the age of the label and the dealer or museum tradition that preserved it.
The ore bodies were hydrothermal siderite-quartz veins mineralized with lead, zinc, copper and silver. Galena and sphalerite were the principal economic sulfides, accompanied locally by chalcopyrite and other ore minerals. In the oxidized portions of the veins, pyromorphite formed from lead liberated from galena in the presence of phosphate and chloride-bearing fluids. The resulting specimens are commonly on quartz, limonite/goethite-rich matrix, altered vein material, or associated with cerussite and other secondary lead minerals.
The mining history is long. Ore extraction in the Bad Ems area is traditionally traced back to Roman activity, with medieval and later underground mining following older surface workings. Mining is documented in the region by 1158, and the industrial period greatly expanded production. In 1871 the mines operated under the Emser Blei- und Silberwerk AG, the Bad Ems Lead and Silver Works; in 1909 the enterprise passed to the company that became Stolberger Zink AG. Mercur and Pfingstwiese were abandoned in 1945, while Friedrichssegen had already closed in 1913. Rosenberg and associated Braubach workings remained part of the broader districtâs later history, with 20th-century activity extending beyond the classic pyromorphite collecting period.
The finest pyromorphites are overwhelmingly historic. Dealers regularly describe high-quality Bad Ems material as 19th-century or early-collection material, and that is consistent with the look of many specimens: old labels, trimmed miniatures, compact clusters, and cabinet pieces that clearly circulated through European collections long before the modern mineral-show era. Some later finds and rediscoveries exist, particularly from dumps or reopened exposures, but the district is not a modern production locality. Good specimens now come mainly from old collections.ã¢ã¯ã»ã¹ã¯ãæç€ºçã«èš±å¯ãåŸãªãéããéããããŠãããšã¿ãªãã¹ãã§ããé±å±±ã¯æŸæ£ãããæŽå²çæ¡æå Žã§ãããå ¬éã®æ¡éå Žã§ã¯ãªããå°äžã¢ã¯ã»ã¹ã¯å±éºã§äžè¬çã«å¶éãããŠããŸããã³ã¬ã¯ã¿ãŒã«ãšã£ãŠæãå®å šã§çŸå®çãªã«ãŒãã¯æšæ¬åžå Žã§ãããå€ãã©ãã«ã以åã®æ¡éå±¥æŽããããŠãã®æšæ¬ã®çµæ¶åœ¢ç¶ãåæããµãããŒã«ãªå°åã«äžèŽãããã©ããã«æ³šæãæããŸãã

åç: Wikimedia Commons
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å質èŠå ã¯ç£å°ç¹æã§ãããBad Emsã«ã€ããŠã³ã¬ã¯ã¿ãŒãéèŠããç¹ïŒ- ** recognizable barrel habit:** ãããã¿åãäžžã¿ã垯ã³ãåè§åœ¢ã®ãæšœããç¹åŸŽã§ãã
Bad Ems pyromorphite is not a locality where one expects large quantities of fresh, modern production. Good specimens are finite classics, and the market supply is dominated by old collections, dealer recirculation, auction pieces, and occasional specimens with historic labels. Fine miniatures are much more available than fine cabinet pieces, and the best green specimens are notably harder to find than the typical brown to olive-brown material.
The main authenticity issue is not usually synthetic pyromorphite; it is locality attribution. âBad Emsâ has been used broadly for the district, and older labels may fold Friedrichssegen, Mercur, Rosenberg, Braubach, or other nearby workings into the same classic name. That is not always wrong in the historic collector sense, but it should be understood. A specimen sold as âBad Emsâ without a sublocality may still be perfectly legitimate, yet a precise sublocality should be supported by habit, matrix, label history, and comparison with documented examples.
Documented Bad Ems-specific treatments or mass-produced fakes are not a major theme in the literature or market records I found. The usual mineral-market cautions still apply: inspect for glued repairs, artificially attached crystals, concealed breaks, and suspiciously vivid or uniform color. Pyromorphite is heavy and brittle; clean breaks and edge chips are common. Glue can sometimes be seen in recesses or at the base of reattached crystals, especially under magnification or ultraviolet light. Any repair should be disclosed.
Condition is the central buying issue. The exposed tops of barrel crystals chip readily, and old specimens have often passed through many hands. Look closely at terminations, edge crystals, and high points. Small peripheral losses are normal and may be acceptable on a historic specimen, but damage to the main display crystals strongly affects value. Iron oxide matrix can also shed grains, and older trimmed pieces may have sawn or broken backs that are not a problem unless the display face is compromised.
For current market availability, expect the following pattern: modest old-style thumbnails and miniatures appear with some regularity; attractive brown Friedrichssegen-style clusters are obtainable but increasingly competitive; dark olive Mercur-type pieces with stout crystals are scarcer; rich green Bad Ems specimens with strong aesthetics are rare; and large, undamaged cabinet specimens with excellent provenance are important classic pieces. A good old label can materially improve desirability, particularly if it narrows the sublocality or connects the specimen to a known European or American collection.## Stories & Field Notes
ãããã»ãšã ã¹ã®è©±ã¯ unusually layered because the locality name belongs both to a mineral district and to a famous spa town. While visitors came for the Lahn valley baths, miners were working the hills for lead, silver, zinc, and copper. That contrastâspa culture below, ore veins above and aroundâhelps explain why so many labels from the district look like relics of another Europe: âNassau,â âEms,â âBraubach,â âFriedrichssegen,â written in old hands, sometimes long before modern locality conventions were standardized.
Friedrichssegen has one of the most evocative surviving visual records: an 1898 postcard bearing the minerâs greeting âGlÃŒck auf,â with smoking industrial buildings, a church, hillside works, and a miner standing in a tunnel with his lamp and tool. It is not a mineral specimen, but it is exactly the world from which the brown pyromorphite barrels emerged. A collector holding a small, warm-brown Friedrichssegen pyromorphite is holding a remnant of that same industrial landscape.
The old-label trail can be just as compelling. Some specimens attributed broadly to the Bad Ems region circulated through 19th-century dealers and museums, and modern sellers occasionally document them with Krantz-style labels, Smithsonian-linked labels, or old European collection tags. Those labels matter because the best pyromorphite was collected when the mines were active or shortly thereafter. On a classic Bad Ems piece, the paper can be almost as revealing as the crystals: it may preserve an obsolete locality name, an old political geography, or a dealerâs usage that predates modern databases by a century.
There is also a quieter detective story in the way collectors argue over sublocalities. Bad Ems pyromorphite can look deceptively similar from one mine to another, and expert collectors have long compared crystal habit, color, and matrix to decide whether a specimen is Mercur, Friedrichssegen, Rosenberg, or simply âBad Ems District.â The old name is famous, but the best attributions often depend on small clues: olive versus brown color, globular aggregates versus stacked barrels, quartz matrix versus iron oxide matrix, and whether the crystal terminations look like the known âlittle barrelsâ of a particular mine.## é±ç©åŠçèšé²ãšåºçç©
Roland Dietrich and Rainer Bode, âFamous Mineral Localities: The Mines and Minerals of Bad Ems [Germany],â The Mineralogical Record, Vol. 15, No. 6, NovemberâDecember 1984, pp. 323â344. This is the core English-language classic-locality article for the Bad Ems mines and their minerals. (mineralogicalrecord.com)
A. Seeliger, D. E. Buchert and T. Noll, âDer Emser Gangzug,â Der Aufschluss, Vol. 60, 2009, pp. 66â160. A major German treatment of the Ems vein system, cited in the locality records for Bad Ems. (mindat.org)
M. Au, âBad Ems â Kaiserbad und Heimat weltbekannter Pyromorphite,â Mineralien-Welt, Vol. 29, No. 2, 2018, pp. 44â117. A substantial modern German article focused on Bad Ems as a spa town and home of world-famous pyromorphites. (mindat.org)
Stefan WeiÃ, Mineralfundstellen Atlas Deutschland West, Christian Weise Verlag, Munich, 1990, 320 pp. Frequently cited in Mindat records for Bad Ems, Mercur, Pfingstwiese and Friedrichssegen species occurrences. (mindat.org)
Charles Palache, Harry Berman and Clifford Frondel, The System of Mineralogy, 7th ed., Vol. 2, John Wiley & Sons, 1951. Cited by Mindat for pyromorphite from Friedrichssegen. (mindat.org)
GÃŒnther Schnorrer, âMineralogische Neuheiten von bekannten deutschen Fundorten,â Lapis, Vol. 20, No. 12, 1995, pp. 43â48, 62. Cited for mineralogical updates in the Bad Ems area. (mindat.org)
GÃŒnter Möhn, J. Frohwein and G. BlaÃ, âNeue Mineralfunde von der Grube Friedrichssegen bei Bad Ems,â Lapis, Vol. 34, No. 5, 2009, pp. 35â40, 58. Cited in the Friedrichssegen record for later mineralogical findings from the mine. (mindat.org)
Mindatâs Pfingstwiese occurrence record classifies pyromorphite from the mine as âExcellent â world class for species or very significant,â reflecting the localityâs status within the district. (mindat.org)
Wikimedia Commons hosts multiple free-use specimen images of Bad Ems district pyromorphite, including Mercur Mine and Friedrichssegen Mine examples photographed by Rob Lavinsky of iRocks.com. ()## Videos & Media
âBad Ems, Bad Ems District, Germany ããã®ããã¢ã«ãã¡ã€ãâ â Fabre Minerals, Vimeo. ã«ã¹ã±ãŒãç¶ã®å€é¢äœçµæ¶ãšæ²ãã£ãçµç«¯ãæã€ã8.9 à 5 à 4 cm ã®è¶è²ã Bad Ems ããã¢ã«ãã¡ã€ãã®åè»¢æšæ¬åç»ã (vimeo.com)
âIRB2105 ããã¢ã«ãã¡ã€ããBad Ems District, Germanyâ â Crystal Classics, Vimeo. Crystal Classics ãæäŸãã Bad Ems District ã®ããã¢ã«ãã¡ã€ããèšé²ãããã£ãŒã©ãŒæšæ¬åç»ã (vimeo.com)
Wikimedia Commons: Friedrichssegen Mine ã«ããŽãª. ãã¹ããªãã¯ãªé±å±±ã®çºãããã¹ãã«ãŒããFriedrichssegen ã®è€æ°ã®ããã¢ã«ãã¡ã€ãæšæ¬åçãå«ãæçšãªã¡ãã£ã¢ã¢ãŒã«ã€ãã (commons.wikimedia.org)
Wikimedia Commons: Mercur Mine ããã¢ã«ãã¡ã€ãã®åç. Bad Ems ã® Mercur Mine ããã®æããªãªãŒãè²ã暜圢ã®ããã¢ã«ãã¡ã€ãã®ç¡æäœ¿çšç»åã (commons.wikimedia.org)## ãããªãèªã¿ç©ãšå€éšãªã³ã¯- Mindat: Bad Ems-Nassau, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany â ããŒãã»ãšã ã¹ïŒãããµãŠé±åºå šäœã®å°åé±ç©ãªã¹ããšæŠèŠãPb-Zn-Cu-Agèç³»ãå«ãã (mindat.org)
Mindat: Bad Ems town locality â ããŒãã»ãšã ã¹ã®é±ç©æšæ¬å Žæã® focused ããŒãžãMercurãPfingstwiese ããã³é¢é£ãã Bad Ems é±å±±ã®åç §ã (mindat.org)
Mindat: Mercur Mine, Bad Ems â ãªãªãŒãè²ããã³æ¿ããªãªãŒãè²ã®ããŒãã»ãšã ã¹ã»ããã¢ã«ãã¡ã€ãã®äž»èŠé±å±±ããŒãžãæšæ¬ã®åº§æšãé±ç©ãªã¹ããæŸæ£æ¥ãå«ãã (mindat.org)
Mindat: Pfingstwiese Mine, Bad Ems â éèŠãªå»åèšé²ãMercur ãžã®ã€ãªãããšé¡èãªããã¢ã«ãã¡ã€ãã®ç£åºãææã (mindat.org)
Mindat: Friedrichssegen Mine â ããŒãã»ãšã ã¹å°åºã®äž»èŠæšæ¬å°èšé²ãè€è²ã®æšœåœ¢ããã¢ã«ãã¡ã€ããšéåžžã«å€§ããªäºæ¬¡é±ç©çŸ€ãå«ãã (mindat.org)
Mindat article: Best of Pyromorphite, Germany â ã³ã¬ã¯ã¿ãŒæåã®æŠèŠããã€ãã§æãéèŠãªããã¢ã«ãã¡ã€ãæšæ¬å°ãšããŠããŒãã»ãšã ã¹ãäœçœ®ã¥ããå°åºæšæ¬ã玹ä»ã (mindat.org)
Mineralogical Record: Vol. 15, No. 6, 1984 â ããŒãã»ãšã ã¹ã®é±å±±ãšé±ç©ã«é¢ãã classic Dietrich and Bode èšäºã®ããã¯ã€ã·ã¥ãŒã (mineralogicalrecord.com)
MB-Lampenstube: Mineralien vom Bad Emser Gangzug â ãã€ãã®ã³ã¬ã¯ã¿ãŒåãããŒãžããšã ã¹èç³»ãšãã®ããã¢ã«ãã¡ã€ããã»ã©ã ãµã€ããã®ä»äºæ¬¡é±ç©ã®ã³ã¬ã¯ã¿ãŒäŸ¡å€ãèŠçŽã (mb-lampenstube.de)
Wikimedia Commons: Pyromorphite from Mercur Mine â ãªãªãŒãè²ã®æšœåœ¢ Mercur Mine ããã¢ã«ãã¡ã€ãã®ããªãŒçšéç»åãšæšæ¬èª¬æã (commons.wikimedia.org)
Wikimedia Commons: Pyromorphite from Friedrichssegen Mine â åéæãªè€è²ã® Friedrichssegen ããã¢ã«ãã¡ã€ãæšœã®ããªãŒçšéç»åãšæšæ¬èª¬æã (commons.wikimedia.org)
Wikimedia Commons: Friedrichssegen mine postcard, circa 18988.png) â å ¬å ±ãã¡ã€ã³ã®æŽå²çãã¹ãã«ãŒããå€å žçãªããªãŒããªããã»ãŒã²ã³æšæ¬ã®èåŸã«é±ç©ã®äžçãæãããŠããŸãã (commons.wikimedia.org)
[é±ç©ãªãŒã¯ã·ã§ã³: ã»ã¬ã¹ãµã€ãã䌎ã rares green spheres in Bad Ems ç·åã®ããã¢ã«ãã¡ã€ã]ïŒhttps://www.mineralauctions.com/items/pyromorphite-rare-green-spheres-with-cerussite-ex-kay-robertson-collection-70777ïŒâ ç·è²ã®Bad Emså°åºããã¢ã«ãã¡ã€ãã®åžå°æ§ãšåžå°æ§ã瀺ãåžå Žèšé²ã (mineralauctions.com)
[Crystal Classics: Rosenberg Mine pyromorphite]ïŒhttps://crystalclassics.com/products/pyromorphite-216ïŒâ Rosenbergã®æ·¡ããªã¬ã³ãžã¿ã®ããã¿ã³è²ã®çç¶ããã¢ã«ãã¡ã€ãã®ç¿æ§ãèŠåããéã®ãã£ãŒã©ãŒèšè¿°ã (crystalclassics.com)
[Marin Mineral Company: Bad Ems pyromorphite with Smithsonian/Carl Bosch provenance]ïŒhttps://www.marinmineral.com/mixed705.htmlïŒâ 倧åã®é»ç·è²çµæ¶ãã¯ã©ãŒãåºè³ªãæ§ã³ã¬ã¯ã·ã§ã³å±¥æŽãå«ãBad Emsããã¢ã«ãã¡ã€ããèšé²ãããã£ãŒã©ãŒã¢ãŒã«ã€ãã (marinmineral.com)
[Main pyromorphite Collector's Guide]ïŒhttps://earthwonders.com/guides/pyromorphiteïŒ