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Dufrénite from
Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany


Locality type:Mine
Classification
Species:Dufrénite
Formula:Ca0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Tinticite1 photo of Dufrénite associated with Tinticite at this locality.
Data
Mineral Data:Click here to view Dufrénite data
Locality Data:Click here to view Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:4686
Long-form Identifier:1:3:4686:2
GUID (UUID V4):18bcbf3f-8a9a-426d-85fc-282824d64226
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Willstaett-Eckartsweier Germany info@wendel-minerals.com Clara Mine The Figure 1. Dumps of the Clara mine where collecting...a small fee. Near Wolfach in the Black Forest Germany From the Myth of the “Golden Calf ” to Modern Mining...6.4 cm. Museum for Minerals and Mathematics Oberwolfach specimen. Figure 4. Barite, so-called Meisselspat...1977 find. Museum for Minerals and Mathematics Oberwolfach collection. T RADITION holds that the wooded...mountain. According to another legend, two men from Oberwolfach tried to find the “golden calf ” with magic.
Report (issue)
Association: Rockbridgeite, beraunite, strengite, dufrénite, chalcosiderite, goethite. Distribution: In the...Virginia. In Germany, from the Rotläufchen mine, Waldgirmes, near Giessen, and the Eleonore mine, Hesse; and...and in the Clara mine, near Oberwolfach, Black Forest. At the Phoenix United mines, Linkinhorne, Cornwall
Journal (article/letter/editorial)
695(3) Å, β = 106.987(1)°, Z = 4, from the Santa Rita mine, New Mexico, has been solved and reÞned to R1 =...particularly close relationship with the structure of dufrénite. Crystal chemical evidence suggests that, even...described by Birch et al. (1996) from the Santa Rita mine, Grant Co., New Mexico, where it occurs as tabular...did exhibit a small peak in the 1400–1500 cm–1 region, consistent with the presence of a small amount...(type), Santa Rita mine, Grant Co., New Mexico (Birch et al. 1996). 2 = Meurigite, Clara mine, Black Forest
Journal (article/letter/editorial)
type locality of meurigite-Na is the Silver Coin mine, Valmy, Iron Point district, Nevada, where it occurs...(thin laths) to 0.4 mm in length. At the Silver Coin mine, meurigite-Na occurs very late in a paragenetic...phosphofibrite, new mineral, crystal chemistry, Silver Coin mine intRoduction One of the authors (P.M.A.) first...mineral described herein in 2003 at the Silver Coin mine, Valmy, Iron Point district, Nevada. The sprays...resembled meurigite, which had been reported from the mine previously (Pullman and Thomssen 1999; Castor and
Book
1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil...including amateur col- lectors, company executives, mine owners, and vari- in the appropriate position.
Book (chapter)
AM 50, 813 (1965). phosphate brun terreux = dufrénite, Egleston 108 (1892). phosphate calcaire = apatite...graphite, Egleston 23 (1892). phosphate de fer = dufrénite, Des Cloizeaux II, 498 (1893). phosphate de Fer...of iron = cacoxenite or hydroniumjarosite or dufrénite or triphylite or vivianite, Egleston 60, 69, 108...iodargyrite, de Fourestier 276 (1999). plata amarilla clara = iodargyrite, Domeyko II, 496 (1897). plata amarilla...chlorargyrite, Dana 6th, 158 (1892). plata córnea amarilla clara = iodargyrite, Dana 6th, 160 (1892). plata córnea
Book
settings created by human activity, such as roadcuts, mine dumps, and quarries. Good examples are also found...lignite occurs on a vast scale, as seen here in Germany. MINING A low grade brown-coloured coal, lignite...270 million year old deposits at Stassfurt in Germany. Igneous Rocks In the pages that follow, igneous...Kimberley, South Africa, is an abandoned diamond mine in a large kimberlite pipe. BIG HOLE, megacryst...economically important, such as here at Phalaborwa copper mine, South Africa. magnetite  carbonate mineral
Journal (issue)
on calcite, from the El Oriente tunnel, Chivor mine, Boyaca, Colombia. William Larson collection; Van...of the famous apophyllites from the Pashan Hills region (they contain up to 1600 ppm V). It must be noted...wilensky Rhodochrosite, 21/4 inches, N”Chwaning Mine, Cape Prov., South Africa. Ex-collections Steve...Cumengéite Daubréeite Daubréelite Diaboléite Dufrénite Dufrénoysite Felsöbányaite Ferrohögbomite-2N2S...even farther, they may in fact have originated in Germany where an extensive glass-making industry had long
Report (issue)
Frontispiece: Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection...COLOR PLATES (following page 242) Gold, Mexican Mine Gold, Majuba Placer Pyromorphite after Galena with...with Conichalcite Gold, Round Mountain Mine Quartz, Lovelock area Acanthite Grossular, Nightingale...Meikle Mine Malachite and Azurite, Aurichalcite with Hemimorphite Azurite Barite, Meikle Mine Barite...Northumberland Mine Barite, Rosebud Mine Barite with Orpiment inclusions Calcite, Getchell Mine Robinson
Report (volume)
................ 325 Phosphates in the melting region..................................................three pages). 1: fluorapatite, Corro de Mercado mine, Durango, Mexico (Young et al. 1969) 2: REE-rich...carbonate-bearing fluorapatite (“francolite”), Staffel, Germany (Brophy & Nash 1968) 5: hydroxylapatite, Holly...hydroxylapatite (“dahllite”), Allendorf, Saxony, Germany (Brophy & Nash 1968) 7: REE-bearing hydroxylapatite... 1984) 18. clinomimetite, Johanngeorgenstadt, Germany (Dai et al. (1991) 19: morelandite, Jakobsberg
Book (edition)
1993. New data on the mineralogy of the Upulungus mine, La Mejicana District, Sierra de Famatina, Argentina... Betekhtinite and Bi-sulfosalts from the copper mine of La Leona, Argentina. Mineralium Deposita, 6 (2):... Betekhtinite and Bi-sulfosalts from the copper mine of La Leona, Argentina. Mineralium Deposita, 6 (2):...1993. New data on the mineralogy of the Upulungus mine, La Mejicana District, Sierra de Famatina, Argentina... Betekhtinite and Bi-sulfosalts from the copper mine of La Leona, Argentina. Mineralium Deposita, 6 (2):
 
Mineral and/or Locality  
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