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Cualstibite

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Formula:
Cu2Al(OH)6[Sb5+(OH)6]
Lustre:
Vitreous
Hardness:
2
Crystal System:
Trigonal
Name:
Named for chemical composition (Cu, Al, Sb).
An extremely rare secondary antimony mineral closely related to zincalstibite (zinc analogue of cualstibite).
Two polytypes are known, cualstibite-1T (trigonal) and cualstibite-1M (monoclinic, formerly called cyanophyllite).

Cualstibite Group, Hydrotalcite Supergroup.


Hide all sections | Show all sections

Classification of CualstibiteHide

Approved
4.FB.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
B : Hydroxides with OH, without H2O; insular octahedra
44.3.10.1

44 : ANTIMONATES
3 : Miscellaneous
24.1.4

24 : Antimonates and Antimonites
1 : Antimonates and antimonites of Na, Cu or Ag

Physical Properties of CualstibiteHide

Vitreous
Hardness:

Optical Data of CualstibiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.672 nε = 1.644
Max Birefringence:
δ = 0.028
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Comments:
Data for 1T polytype.

Chemical Properties of CualstibiteHide

Formula:
Cu2Al(OH)6[Sb5+(OH)6]
IMA Formula:
Cu2AlSb(OH)12

Crystallography of CualstibiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
P3
Cell Parameters:
a = 9.15(2) Å, c = 9.745(2) Å
Ratio:
a:c = 1 : 1.065
Unit Cell V:
706.6 ų
Z:
3
Morphology:
Short prismatic along [001] (data for 1T polytype).
Twinning:
Twin axis [110].
Comment:
Data for 1T polytype. Structure solved from twinned crystal.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.89 (10)
4.17 (8)
2.65 (7)
2.33 (9)
1.793 (8)
Comments:
Data for 1T polytype.

Type Occurrence of CualstibiteHide

Synonyms of CualstibiteHide

Other Language Names for CualstibiteHide

German:Cualstibit
Spanish:Cualstibita

Relationship of Cualstibite to other SpeciesHide

Other Members of this group:
OmsiteNi2Fe3+(OH)6[Sb(OH)6]Trig. 3 : P3
ZincalstibiteZn2Al(OH)6[Sb5+(OH)6]Trig. 3 : P3

Common AssociatesHide

Associated Minerals Based on Photo Data:
Cualstibite-1M6 photos of Cualstibite associated with Cualstibite-1M on mindat.org.
Bariopharmacosiderite5 photos of Cualstibite associated with Bariopharmacosiderite on mindat.org.
Azurite3 photos of Cualstibite associated with Azurite on mindat.org.
Cornwallite1 photo of Cualstibite associated with Cornwallite on mindat.org.
Quartz1 photo of Cualstibite associated with Quartz on mindat.org.
Fluorite1 photo of Cualstibite associated with Fluorite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.FB.OmsiteNi2Fe3+(OH)6[Sb(OH)6]Trig. 3 : P3
4.FB.05Shakhovite(Hg+2)Hg2+2(Sb3+O3)(OH)3Mon.
4.FB.10ZincalstibiteZn2Al(OH)6[Sb5+(OH)6]Trig. 3 : P3

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

24.1.1MopungiteNa[Sb5+(OH)6]Tet. 4/m : P42/n
24.1.2Cetineite(K,Na)6Sb3+12(Sb3+S3)2O18(OH)0.5 · 5,5H2OHex. 6 : P63
24.1.3CuproroméiteCu2Sb2(O,OH)7Iso.
24.1.5StetefeldtiteAg2Sb2(O,OH)7Iso.

Other InformationHide

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 CualstibiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Walenta, K. (1984): Cualstibit, ein neues Sekundärmineral aus der Grube Clara im mittleren Schwarzwald (BRD). Chem. Erde 43, 255-260. (in German).
American Mineralogist: 70: 1329.
Bonaccorsi, E., Merlino, S. and Orlandi, P. (2007): Zincalstibite, a new mineral, and cualstibite: Crystal chemical and structural relationships. American Mineralogist 92, 198-203
Mills, S.J., Christy, A.G., Génin, J.-M.R., Kameda, T. and Colombo, F. (2012): Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76, 1289-1336.
Kolitsch, U., Giester, G. & Pippinger, T. (2013): The crystal structure of cualstibite-1M (formerly cyanophyllite), its revised chemical formula and its relation to cualstibite-1T. Mineral. Petrol. 107, 171-178.

Internet Links for CualstibiteHide

Localities for CualstibiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Styria
    • Mitterdorf
      • Veitsch
[Cualstibite-1M] Auer, C., Kolitsch, U., Bernhard, F. (2017): 2050) Brochantit, Camerolait, Cornwallit, Cualstibit-1M, Devillin und Langit von den Kupferschürfen am Dürrkogel in der Veitsch, Steiermark. Pp. 272-273 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
France
 
  • Grand Est
    • Vosges
      • Val-d'Ajol
        • Faymont
[Cualstibite-1M] - ESCANDE, J.-C., JOHAN, Z., LOUGNON, J., PICOT, P. & PILLARD, F. (1973): Note sur la présence de minéraux de bismuth dans un filon de barytine et fluorine à Faymont, près Le Val-d'Ajol (Vosges). - Bull. Soc. fr. Minéral. Cristallogr. 96, 398-399. - ASSELBORN, E. (1982): Le filon des roches en Val d'Ajol. - Minéraux et Fossiles 88, 32-37. - FLUCK, P. & STEIN, S. (1992): Espèces minérales des principaux districts miniers du massif vosgien. - Pierres et Terre 35 (December 1992), 120 pp. - L'HEUR, C. & MOREAU, F. (1994): Les minéralisations du filon du Bas Hérival près du Val d`Ajol (Vosges). – Le Cahier des Micromonteurs, 2, 3-14. - HOHL, J. L. (1994): Minéraux et Mines du Massif Vosgien. - Ed. du Rhin, Mulhouse, Frankreich. - U. Kolitsch (1997): New mineral occurrences from some localities in the Vosges, France: Triembach, Bluttenberg and Val d'Ajol. Aufschluss 48 (2), 65-91. (in German) - Favreau, G. et Iltis, A. (2000): Données complémentaires sur les minéraux du Val d'Ajol (Vosges). Le Cahier des Micromonteurs, (1), 39-54.
[Cualstibite-1M] - ESCANDE, J.-C., JOHAN, Z., LOUGNON, J., PICOT, P. & PILLARD, F. (1973): Note sur la présence de minéraux de bismuth dans un filon de barytine et fluorine à Faymont, près Le Val-d'Ajol (Vosges). - Bull. Soc. fr. Minéral. Cristallogr. 96, 398-399. - ASSELBORN, E. (1982): Le filon des roches en Val d'Ajol. - Minéraux et Fossiles 88, 32-37. - FLUCK, P. & STEIN, S. (1992): Espèces minérales des principaux districts miniers du massif vosgien. - Pierres et Terre 35 (December 1992), 120 pp. - L'HEUR, C. & MOREAU, F. (1994): Les minéralisations du filon du Bas Hérival près du Val d`Ajol (Vosges). – Le Cahier des Micromonteurs, 2, 3-14. - HOHL, J. L. (1994): Minéraux et Mines du Massif Vosgien. - Ed. du Rhin, Mulhouse, Frankreich. - U. Kolitsch (1997): New mineral occurrences from some localities in the Vosges, France: Triembach, Bluttenberg and Val d'Ajol. Aufschluss 48 (2), 65-91. (in German) - Favreau, G. et Iltis, A. (2000): Données complémentaires sur les minéraux du Val d'Ajol (Vosges). Le Cahier des Micromonteurs, (1), 39-54. ; - Favreau, G. et Iltis, A. (2000): Données complémentaires sur les minéraux du Val d'Ajol (Vosges). Le Cahier des Micromonteurs, (1), 39-54. ; - Favreau, G. et Iltis, A. (2000): Données complémentaires sur les minéraux du Val d'Ajol (Vosges). Le Cahier des Micromonteurs, (1), 39-54.
  • Occitanie
    • Aude
      • Padern
[Cualstibite-1M] Favreau G., Berbain C., Meisser N. (2003), Cyanophyllite et autres espèces rares de la mine du Tistoulet, Padern (Aude), Le Cahier des Micromonteurs, n°4, pp: 17-23
Germany (TL)
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
Chemie der Erde,(1984) 43, 255-260; Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
  • North Rhine-Westphalia
    • Sauerland
      • Iserlohn
        • Letmathe
[Cualstibite-1M] Schnorrer-Köhler, G. (1986) Neue Minerale von der Schlackenhalde der ehemaligen Zinkhütte Genna in Letmathe/Sauerland. Aufschluss 37 (2), 55-67.; Bender/Marl, D. & Krimmelbein/Altena, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland. Stand Juni 1994. Mineralien-Welt, 4/94, 10.
  • Rhineland-Palatinate
    • Siegerland
      • Niederfischbach
[Cualstibite-1M] Schnorrer-Köhler, G. (1989): Die Minerale der Grube Fischbacher Werk bei Niederfischbach im Bergamtsbezirk Betzdorf/Siegerland. Aufschluss, 40, 75-94 ; Weiss: "Mineralfundstellen, Deutschland West", 1990
Italy
 
  • Friuli-Venezia Giulia
    • Udine Province
      • Degano Valley
Ciriotti, M.E., Möckel, S., Blaβ, G., Bortolozzi, G. (2006): Cualstibite: ritrovamenti italiani. MICRO (UK report), 2006, 19-24.
      • Forni Avoltri
Ciriotti, M.E., Möckel, S., Blaβ, G., Bortolozzi, G. (2006): Cualstibite: ritrovamenti italiani. MICRO (UK report), 2006, 19-24.
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
      • Špania Dolina (Herrengrund)
Martin Števko (unpublished, PXRD and EMPA-WDS confirmed)
South Africa
 
  • Northern Cape Province
    • Namakwa District (Namaqualand)
[Cualstibite-1M] Cairncross, B. (2004): History of The Okiep Copper District, Namaqualand, Northern Cape Province, South Africa. Mineralogical Record 35(4) 289-317.
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
[Cualstibite-1M] Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer); - Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer); Ansermet, S. with contributions of Meisser, N. (2012): Mines et minéraux du Valais. II. Anniviers et Tourtemagne. Musée de la Nature (Sion), Musée Cantonal de Géologie (Lausanne), and Editions Porte-Plumes (Ayer), 374 pp.
Rick Turner (confirmed by XRD and EDX)
Mineral and/or Locality  
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