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Richelsdorfite

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Formula:
Ca2Cu5Sb(AsO4)4(OH)6Cl · 6H2O
System:
Monoclinic
Colour:
Turquoise-blue
Hardness:
2
Name:
Named after its discovery locality, Wilhelm Mine (Wechselschacht), Bauhaus, Richelsdorf District, North Hesse, Hesse, Germany.
Several richelsdorfite-like, Sb- and/or Cl-free "varieties" also exist (e.g., Walenta, 2000). Some of them probably are new species or possibly polytypes.
A "carbonate-richelsdorfite" has been characterised by Drescher and Susse (1997) and was tentatively identified by Gröbner (2000).

Structurally related to the Lavendulan Group.

Classification of Richelsdorfite

Approved 1982
Explanation of status:
Several "richelsdorfite-like" minerals exist which show similar, but different chemical compositions and X-ray powder patterns.
8.DK.

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
K : With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
42.7.15.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
22.2.6

22 : Phosphates, Arsenates or Vanadates with other Anions
2 : Phosphates, arsenates or vanadates with chloride
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First Recorded Occurrence of Richelsdorfite

Year of Discovery:
1982

Physical Properties of Richelsdorfite

Vitreous
Colour:
Turquoise-blue
Hardness (Mohs):
2

Crystallography of Richelsdorfite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 14.08Å, b = 14.21Å, c = 13.49Å
β = 101.06°
Ratio:
a:b:c = 0.991 : 1 : 0.949
Unit Cell Volume:
V 2,648.91 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space group C2/m

Optical Data of Richelsdorfite

Type:
Biaxial (-)
RI values:
nα = 1.640 nβ = 1.692 nγ = 1.694
2V:
Measured: 10° to 15°, Calculated: 20°
Max Birefringence:
δ = 0.054
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
relatively weak

Chemical Properties of Richelsdorfite

Formula:
Ca2Cu5Sb(AsO4)4(OH)6Cl · 6H2O
Essential elements:
All elements listed in formula:

Relationship of Richelsdorfite to other Species

Structurally related to group(s):
8.DK.10BariopharmacosideriteBa0.5Fe43+(AsO4)3(OH)4 · 5H2O
8.DK.10PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
8.DK.10Natropharmacosiderite(Na,K)Fe43+(AsO4)3(OH)4 · 6-7H2O
8.DK.10Hydroniumpharmacosiderite(H3O)Fe4(AsO4)3(OH)4 · 4H2O
8.DK.12PharmacoalumiteKAl4(AsO4)3(OH)4 · 6.5H2O
8.DK.12NatropharmacoalumiteNaAl4(AsO4)3(OH)4 · 4H2O
8.DK.12BariopharmacoalumiteBa0.5Al4(AsO4)3(OH)4 · 4H2O
8.DK.15BurangaiteNaFe2+Al5(PO4)4(OH)6 · 2H2O
8.DK.15DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
8.DK.15NatrodufréniteNaFe2+Fe53+(PO4)4(OH)6 · 2H2O
8.DK.15MatioliiteNaMgAl5(PO4)4(OH)6 · 2H2O
8.DK.15GayiteNaMn2+Fe53+(PO4)4(OH)6 · 2H2O
8.DK.20KidwelliteNaFe93+(PO4)6(OH)11 · 3H2O
8.DK.25Bleasdaleite(Ca,Fe3+)2Cu5(Bi,Cu)(PO4)4(H2O,OH,Cl)13
8.DK.30Matulaite(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8 · 8H2O
8.DK.35KrasnoviteBa(Al,Mg)(PO4,CO3)(OH)2 · H2O
22.2.1SampleiteNaCaCu5(PO4)4Cl · 5H2O
22.2.2LavendulanNaCaCu5(AsO4)4Cl · 5H2O
22.2.3ChlorapatiteCa5(PO4)3Cl
22.2.4TurneaureiteCa5(AsO4)3Cl
22.2.5ShubnikoviteCa2Cu8(AsO4)6(OH)Cl · 7H2O
22.2.7AlforsiteBa5(PO4)3Cl
22.2.8MorelanditeCa2Ba3(AsO4)3Cl
22.2.9PyromorphitePb5(PO4)3Cl
22.2.10MimetitePb5(AsO4)3Cl
22.2.11Mimetite-MPb5(AsO4)3Cl
22.2.12SahlinitePb14(AsO4)2O9Cl4
22.2.13GeorgiadèsitePb4(AsO3)Cl4(OH)
22.2.14VanadinitePb5(VO4)3Cl
22.2.15KombatitePb14(VO4)2O9Cl4
22.2.16LeningraditePbCu3(VO4)2Cl
22.2.17HedyphanePb3Ca2(AsO4)3Cl
22.2.18NealitePb4Fe2+(As3+O3)2Cl4 · 2H2O

Other Names for Richelsdorfite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Richelsdorfite

Reference List:
Süsse, P. & Schnorrer-Köhler, G. (1983): Richelsdorfit, Ca2Cu5Sb[Cl(OH)6(AsO4)4]•6H2O, ein neues Mineral. - Neues Jahrbuch für Mineralogie, Monatshefte (1983): 145-150.

American Mineralogist (1984): 69: 211.

Süsse, P. & Tillmann, B. (1987): The crystal structure of the new mineral richelsdorfite, Ca2Cu5Sb(Cl/(OH)6/(AsO4)4)•6H2O. Zeitschrift für Kristallographie 179: 323-334.

Sarp, H., Dominik, B. and Chiappero, P.-J. (1994): Nouveau gisement (Triembach-Le Val, Vosges, France): nouvelles propriétés optiques et diagramme de poudre de la richelsdorfite, Ca2Cu5Sb[Cl(OH)6(AsO4)4]•6H2O. Schweizerische mineralogische und petrographische Mitteilungen 74: 273-277. (in French).

Drescher, I. and Susse, P. (1997): Crystal structural investigation of a carbonate richelsdorfite. European Journal of Mineralogy 9, Beih. No. 1: 81.

Walenta, K. (2000): Richelsdorfitähnliche Mineralien aus dem Schwarzwald. Der Erzgräber 14, 1-9. (in German)

Gröbner, J. (2000): Neue Mineralienfunde aus Österreich (2). Mineralien-Welt, 11 (5), 49-51.

Internet Links for Richelsdorfite

Localities for Richelsdorfite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Austria
 
  • Salzburg
    • Saalfelden
      • Leogang
        • Hütten
          • Schwarzleograben
            • Schwarzleo District
A.Lechner (2014)
  • Styria
    • Knittelfeld
      • Flatschach
        • Cu deposit (Schönberg)
Gröbner, J. (2000): Neue Mineralienfunde aus Österreich (2). Mineralien-Welt, 11 (5), 49-51.
  • Tyrol
    • North Tyrol
      • Inn valley
        • Brixlegg - Schwaz area
          • Brixlegg - Rattenberg
            • Geyer - Silberberg District
              • Silberberg
Schnorrer, G. and Poeverlein, R. (2002) Schwaz-Brixlegg-Fundstellen: 2. Die Minerale des Stockerstollens bei Brixlegg in Tirol. Aufschluss, 53, 209-228.
                • West slope ("Am Geyer")
R. Poeverlein and J. Gröbner (2007): "Der Bergbau Geyer bei Rattenberg in Tirol und seine Mineralien", Lapis 32(2), 34-38.
              • Silberberggraben
Putz, H., Lechner, A. & Poeverlein, R. (2012): Erythrin und Clarait vom Pichlerstollen am Silberberg bei Rattenberg, Nordtirol. Lapis, 37 (1), 47-52; 62 (in German).
Schnorrer, G. & Poeverlein, R. (2005): Schwaz-Brixlegger-Fundstellen: 3. Die Minerale vom Bergbau Maukenötz bei Brixlegg, Tirol. Der Aufschluss, 56, 223-234.
            • Reith
              • Unterstein
Putz, H. & Poeverlein, R. (2010): Die Mineralien des Silberbergstollens bei Unterstein, Reith bei Brixlegg, Tirol. Lapis 35 (5), 37-41; 58.
            • St Gertraudi
              • Großkogel (Reither Kogel)
A.Lechner, Siegsdorf, D
  • Vorarlberg
    • Montafon
      • Vandans
        • Rells valley
Niedermayr, G. et al. (2003): Neue Mineralfunde aus Österreich LII. Carinthia II, 193./113., 195-216; Natural History Museum Vienna collection
France
 
  • Alsace
    • Bas-Rhin
      • Villé Valley
Sarp, H., Dominik, B. and Chiappero, P.-J. (1994): Nouveau gisement (Triembach-Le Val, Vosges, France): nouvelles propriétés optiques et diagramme de poudre de la richelsdorfite, Ca2Cu5Sb[Cl(OH)6(AsO4)4]*6H2O. Schweizerische mineralogische und petrographische Mitteilungen: 74: 273-277. (in French); Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
  • Languedoc-Roussillon
    • Aude
      • Carcassonne
        • Mas-Cabardès
          • Salsigne
Le Règne Minéral, Hors série (3), 36-54
  • Midi-Pyrénées
    • Tarn-et-Garonne
      • Laguépie
Jean-Marie Laurent collection + XRD analysis by Nicolas Meisser of specimen from Jean-Claude Dol collection
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Emmendingen
        • Freiamt Pb-Cu mining District
          • Eberbächle
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Schenkenzell
        • Wittichen
          • Burgfelsen
No reference listed
          • Heubach Valley
No reference listed
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
  • Bavaria
    • Franconia
      • Spessart
        • Schöllkrippen
          • Huckelheim
- Hock, J. & Weis, T. (1992): Ehemalige Grube 'Segen Gottes' bei Huckelheim eine Fundstelle im Zechstein des Spessarts. Der Aufschluss, 43, 55-63. (in German)
  • Hesse
    • Odenwald
      • Lautertal (Odenwald)
        • Reichenbach
          • Hohenstein
Belendorff, K & Petitjean, K. (1987): Reichenbach im Odenwald. Die Mineralien von Fundpunkt 16.1. bei Reichenbach. LAPIS 12 (10), 23-32 + 58
Schnorrer-Köhler, G. (1991): Mineralogische Notizen V. Aufschluss 42, 155-171.
      • Bauhaus
Aufschluss 73(7+8), 319-321
American Mineralogist (1984): 69: 211.
      • Süss
        • Richelsdorf Smelter
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
  • Lower Saxony
    • Harz
      • Clausthal-Zellerfeld
        • Bockswies veins
          • Oberschulenberg
Lapis, 11 (1), 9-18+42
      • St Andreasberg District
        • St Andreasberg
No reference listed
Lapis 8(9), 16 (1983)
  • North Rhine-Westphalia
    • Eifel
      • Düren
        • Untermaubach
Weiss: "Mineralfundstellen, Deutschland West", 1990
    • Sauerland
      • Meschede
Wittern: "Mineralfundorte in Deutschland", 2001
    • Siegerland
      • Müsen
Der Aufschluss 2000(2), 71-123
      • Niederschelden
Lapis, 12 (12), 23-31+42.
  • Rhineland-Palatinate
    • Lahn valley
Wittern: "Mineralfundorte in Deutschland", 2001
        • Frücht
Der Aufschluss Vol.55, March/April 2004
    • Siegerland
      • Wissen
        • Schönstein (Steckenstein)
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Saxony
    • Erzgebirge
      • Ehrenfriedersdorf
Wittern: "Mineralfundorte in Deutschland", 2001
Lapis 30(7/8):78-80 (2005)
  • Thuringia
    • Harz
      • Nordhausen
        • Ilfeld
J. Gröbner & J. Wesiger (2008): Die Mineralien des Kupferschieferbergbaus an südlichen Harzrand bei Ilfeld in Thüringen. Mineralien-Welt 19 (2), 18-28.
      • Stempeda
J. Gröbner & J. Wesiger (2008): Die Mineralien des Kupferschieferbergbaus an südlichen Harzrand bei Ilfeld in Thüringen. Mineralien-Welt 19 (2), 18-28.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German).
        • Plaka
          • Plaka Mines
No reference listed
Hungary
 
  • Heves Co.
    • Mátra Mts
      • Parádfürdő
GEODA, 1999
Italy
 
  • Veneto
    • Vicenza Province
      • Valli del Pasubio
Boscardin M., Daleffe A., Rocchetti I., Zordan A. “I minerali nel Vicentino”, Museo “G. Zannato”, Montecchio Maggiore (Vicenza), 2011.
Japan
 
  • Hokkaido
    • Sapporo
Matsubara et al (2003) Koubutsu-Gakkai Kou'en-Youshi, 46.
Spain
 
  • Andalusia
    • Córdoba
      • Villanueva de Córdoba
Schnorrer, G. (2000): Die Minerale der ehemaligen Grube Espuela de San Miguel bei Villanueva de Cordoba, Prov. Cordoba in Spanien. Der Aufschluss, 51, 211-222. (in German)
  • Valencian Community
    • Castellón
Mineralogía de la concesión San Rafael, Villahermosa del Río, Castellón, España
        • San Rafael claim
- Cócera, H., Menor-Salván, C. and Muñoz-Alvarado, R. (2010): Mineralogía de la concesión San Rafael, Villahermosa del Río, Castellón, España. Acopios, 1, 1-51. [http://mti-acopios.blogspot.com/ ; http://issuu.com/malacate/docs/acopios-1-1?mode=a_p]
Switzerland
 
  • Wallis (Valais)
    • Sion (Sitten)
      • Granges (Lens)
Ansermet, S., Meisser, N. & Cuchet, S. (2011): Ein Hauch Carrara im Wallis - zur Mineralogie des Steinbruchs La Plâtrière in Lens. Schweizer Strahler 2/2011, 2-17 (in German/French).
USA
 
  • Nevada
    • Washoe Co.
      • Pyramid District
NBMG Spec. Pub. 31 Minerals of Nevada
  • Utah
    • Juab Co.
      • East Tintic Mts
        • Tintic District
          • Mammoth
XRD analyzed by Tony Kamph.
Mineral and/or Locality  
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