Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Cornwallite from
Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany


05800740017271922359113.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
01690480017272004529004.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
07516870017866614948234.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
09037670017362362497070.jpg
Cornwallite, etc.

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
06839570017365329085069.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
02682980017365329097447.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
05462460017365329094768.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
00505580017866629304548.jpg
Cornwallite, etc.

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
05800740017271922359113.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
01690480017272004529004.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
03819690017272004541682.jpg
Cornwallite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
02328890017405926967041.jpg
Cornwallite, etc.

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Locality type:Mine
Classification
Species:Cornwallite
Formula:Cu5(AsO4)2(OH)4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Clinoclase82
Olivenite74
Agardite-(Ce)44
Malachite40
Quartz39
Agardite26
Fluorite23
Baryte23
Tenorite15
Goldhillite8
Gilmarite8
Goethite8
Azurite8
Bariopharmacosiderite5
Arsenogorceixite5
Limonite4
Cornubite4
Crandallite3
Zincolivenite3
Conichalcite3
Cualstibite-1M3
Chalcopyrite3
Arseniosiderite2
Arsenopyrite2
Mixite2
Native Silver2
Agardite-(Y)2
Chrysocolla2
Calcite2
Chenevixite2
Cualstibite1
Cualstibite-1T1
Rhabdophane1
Rhabdophane-(Ce)1
Bismutite1
Scorodite1
Theisite1
Data
Mineral Data:Click here to view Cornwallite data
Locality Data:Click here to view Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Photo GalleryView Gallery (219 photos)
Data Identifiers
Mindat Occurrence Record ID:3980
Long-form Identifier:1:3:3980:2
GUID (UUID V4):0
Nearest other occurrences of Cornwallite
9.0km (5.6 miles) ⓘAnton Mine, Heubach Valley, Wittichen, Schenkenzell, Rottweil, Freiburg Region, Baden-Württemberg, Germany
9.6km (5.9 miles) ⓘSchmiedestollen dump, Wittichen, Schenkenzell, Rottweil, Freiburg Region, Baden-Württemberg, Germany
10.6km (6.6 miles) ⓘJohann Mine, Burgfelsen, Wittichen, Schenkenzell, Rottweil, Freiburg Region, Baden-Württemberg, Germany
12.5km (7.7 miles) ⓘSilberbrünnle Mine, Gengenbach, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
15.4km (9.5 miles) ⓘHaus Württemberg Mine (Neues Jahr Mine), Freudenstadt, Freudenstadt, Karlsruhe Region, Baden-Württemberg, Germany
15.7km (9.8 miles) ⓘDorothea Mine, Freudenstadt, Freudenstadt, Karlsruhe Region, Baden-Württemberg, Germany
25.2km (15.6 miles) ⓘKönigswart Mine, Schönegründ, Baiersbronn, Freudenstadt, Karlsruhe Region, Baden-Württemberg, Germany
42.6km (26.5 miles) ⓘSilbergrube, Kälbelberg, Baden-Baden, Karlsruhe Region, Baden-Württemberg, Germany
80.9km (50.2 miles) ⓘSilver mine, Zimmerbach, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
82.3km (51.1 miles) ⓘLa Treille Mine (Les Trois Mine; Les Troys Mine; Zum Treu Mine), Saint Jean vein, Neuenberg, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
References
Walenta, Kurt (1992) Die Mineralien des Schwarzwaldes und ihre Fundstellen. Christian Weise Verlag. 336 pp.
 
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