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Camérolaite

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Formula:
Cu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)
Originally assumed to be Cu4Al2(HSbO4,SO4)(CO3)(OH)10.2H2O
Colour:
Blue-green
Lustre:
Silky
Specific Gravity:
3.1
Crystal System:
Triclinic
Name:
Named in honor of Michel Camerola, French mineral collector.
Cyanotrichite Group.
Closely related to carbonatecyanotrichite, less so to cyanotrichite.

The Sb:S ratio appears to be variable (Walenta, 1995). Type camerolaite has S:Sb = 1:1.44; material from the Clara mine has 1:0.64 (Walenta, 1995), although both have nearly identical X-ray powder diffraction patterns; the refractive indices of the Clara material are lower, however, due to the lower Sb content.



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Classification of CamérolaiteHide

Approved
Approval Year:
1990
First Published:
1991
7.DE.75

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
E : With only medium-sized cations; unclassified
44.3.11.1

44 : ANTIMONATES
3 : Miscellaneous
12.2.24

12 : Carbonates with other anions
2 : Carbonates with sulphate

Physical Properties of CamérolaiteHide

Silky
Transparency:
Transparent
Colour:
Blue-green
Streak:
light green
Tenacity:
Brittle
Cleavage:
Distinct/Good
{100} and {001}
Fracture:
Fibrous
Density:
3.1(1) g/cm3 (Measured)    3.09 g/cm3 (Calculated)
Comment:
Calculated for idealized formula

Optical Data of CamérolaiteHide

Type:
Biaxial (+)
RI values:
nα = 1.626 nβ = 1.646 nγ = 1.682
2V:
Measured: 75° to 77°, Calculated: 76°
Max Birefringence:
δ = 0.056
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak
Pleochroism:
Visible
Comments:
α = colorless, β = pale-green, γ = blue-green.

Chemical Properties of CamérolaiteHide

Formula:
Cu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)

Originally assumed to be Cu4Al2(HSbO4,SO4)(CO3)(OH)10.2H2O

Crystallography of CamérolaiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 6.3310(13) Å, b = 2.9130(6) Å, c = 10.727(2) Å
α = 93.77(2)°, β = 96.34(3)°, γ = 79.03(3)°
Ratio:
a:b:c = 2.173 : 1 : 3.682
Unit Cell V:
192.82 ų
Z:
1
Morphology:
Acicular, fibrous, micaceous.
Comment:
Pseudomonoclinic. May be described with a C-centred triclinic cell with a = 12.441(3), b = 2.9130(6), c = 10.727(2) Å, α = 93.77(3), β = 95.57(3), γ = 92.32(3)° (C1, Z = 0.666).Originally assumed cell: a = 10.76, b = 2.90, c = 12.52 Å, beta = 95.61°.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.62 (50)
5.160 (90)
4.276 (100)
3.565 (40)
2.380 (35)
2.326 (35)

Type Occurrence of CamérolaiteHide

General Appearance of Type Material:
Camerolaite forms tufts and radiating fibrous aggregates (0.5-2mm) of acicular crystals
Place of Conservation of Type Material:
Mineralogy Department of the Natural History Museum, Geneva, Switzerland.
Associated Minerals at Type Locality:

Synonyms of CamérolaiteHide

Other Language Names for CamérolaiteHide

German:Camerolait
Spanish:Camerolaita

Relationship of Camérolaite to other SpeciesHide

Structurally related to group(s):
Cyanotrichite GroupA group of closely related, monoclinic Cu-Al-sulphates.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Azurite3 photos of Camérolaite associated with Azurite on mindat.org.
Quartz3 photos of Camérolaite associated with Quartz on mindat.org.
Lavendulan1 photo of Camérolaite associated with Lavendulan on mindat.org.
Mansfieldite1 photo of Camérolaite associated with Mansfieldite on mindat.org.
Bindheimite1 photo of Camérolaite associated with Bindheimite on mindat.org.
Tetrahedrite1 photo of Camérolaite associated with Tetrahedrite on mindat.org.
Malachite1 photo of Camérolaite associated with Malachite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DE.05MangazeiteAl2(SO4)(OH)4 · 3H2OTric.
7.DE.10CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2OOrth.
7.DE.10CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2OOrth.
7.DE.10UKI-1975-(SO:AlCu)(Cu, Al, SO4, H2O)
7.DE.15SchwertmanniteFe3+16(OH,SO4)12-13O16 · 10-12H2OTet.
7.DE.20TlalociteCu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2OOrth.
7.DE.25UtahiteCu5Zn3(TeO4)4(OH)8 · 7H2OTric.
7.DE.35CoquanditeSb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)Tric. 1 : P1
7.DE.40OsakaiteZn4(SO4)(OH)6 · 5H2OTric. 1 : P1
7.DE.45WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
7.DE.50Stanleyite(V4+O)(SO4) · 6H2OOrth.
7.DE.55McalpineiteCu3(Te6+O6)Iso. m3 (2/m 3) : Ia3
7.DE.60HydrobasaluminiteAl4(SO4)(OH)10 · 12-36H2OMon.
7.DE.62VolaschioiteFe4(SO4)O2(OH)6 · 2H2OMon. 2/m : B2/m
7.DE.65ZaheriteAl12(SO4)5(OH)26 · 20H2OTric.
7.DE.70LautenthalitePbCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

12.2.1BurkeiteNa6(CO3)(SO4)2Orth.
12.2.2HanksiteNa22K(SO4)9(CO3)2ClHex. 6/m : P63/m
12.2.3TychiteNa6Mg2(CO3)4(SO4)Iso. m3 (2/m 3) : Fd3
12.2.4MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : R3m
12.2.5FerrotychiteNa6(Fe,Mn,Mg)2(CO3)4(SO4)
12.2.6NakauriiteCu8(SO4)4(CO3)(OH)6 · 48H2OOrth.
12.2.7CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2OOrth.
12.2.8RapidcreekiteCa2(SO4)(CO3) · 4H2OOrth.
12.2.9TatarskiteCa6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2OOrth.
12.2.10Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig.
12.2.11LeadhillitePb4(CO3)2(SO4)(OH)2Mon. 2/m : P21/b
12.2.12MacphersonitePb4(CO3)2(SO4)(OH)2Orth. mmm (2/m 2/m 2/m)
12.2.13SusannitePb4(CO3)2(SO4)(OH)2Trig. 3 : P3
12.2.14WherryitePb7Cu2(SO4)4(SiO4)2(OH)2Mon. 2/m : B2/m
12.2.15CaledonitePb5Cu2(SO4)3(CO3)(OH)6Orth. mm2 : Pmn21
12.2.16NasledovitePbMn3Al4(CO3)4(SO4)O5 · 5H2O
12.2.17JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2OHex.
12.2.18SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2OTric. 1 : P1
12.2.19ManganotychiteNa6Mn2(CO3)4(SO4)
12.2.20HauckiteFe3+3(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
12.2.21ParaotwayiteNi(OH)2-x(SO4,CO3)0.5xMon.
12.2.22Carrboydite[(Ni1-xAlx)(OH)2][SO4]x/2 · nH2OHex.
12.2.23Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.

Fluorescence of CamérolaiteHide

Nonfluorecent

Other InformationHide

Notes:
Dissolves in HCl
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 CamérolaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sarp, H., Perroud, P. (1991) Camerolaite, Cu4Al2[HSbO4,SO4](OH)10(CO3).2H2O, a new mineral from Cap Garonne mine, Var, France. Neues Jahrbuch für Mineralogie, Monatshefte: 1991: 481-486.
Jambor, J.L., Puziewicz, J. (1992) New mineral names. American Mineralogist: 77: 1116-1121.
Cuchet, S. (1995) Seconde occurrence de camérolaïte, Cu4Al2[(HSbO4,SO4)](OH)10(CO3)*2H2O, Val d'Anniviers, Valais, Suisse. Schweiz. Miner. Petrogr. Mitt.: 75: 283-284.
Walenta, K. (1995) Camerolait aus dem Schwarzwald. Aufschluss: 46: 210-214. (in German)
New Mins. (1997) New Minerals 1990-1994.
Hager, S.L., Leverett, P., Williams, P.A. (2009) Possible structural and chemical relationships in the cyanotrichite group. Canadian Mineralogist: 47: 635-648.
Mills, S.J., Christy, A.G., Schnyder, C., Favreau, G., Price, J.R. (2015) The crystal structure of camerolaite and structural variation in the cyanotrichite family of merotypes. Mineralogical Magazine: 78: 1527-1552.
Williams, P.A., Hatert, F., Pasero, M., Mills, S.J. (2015) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 23. New minerals and nomenclature modifications approved in 2014 and 2015. Mineralogical Magazine: 79: 51-58.
Hålenius, U., Hatert, F., Pasero, M., Mills, S.J. (2015) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 28. New minerals and nomenclature modifications approved in 2015. Mineralogical Magazine: 79: 1859-1864.

Internet Links for CamérolaiteHide

Localities for CamérolaiteHide

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
 
  • Carinthia
    • Karawanken
      • Finkenstein
        • Mallestiger Mittagskogel
Neuhold, F., Kolitsch, U. & Brandstätter, F. (2010): 1619) Camerolait vom Revier Neufinkenstein-Grabanz am Mallestiger Mittagskogel, Finkenstein, Karawanken, Kärnten. P. 204 in Niedermayr et al. (2010): Neue Mineralfunde aus Österreich LIX. Carinthia II, 200./120., 199-260.
  • Styria
    • Mitterdorf
      • Veitsch
Carinthia II (2017)
France
 
  • Occitanie
    • Aude
      • Padern
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
    • Hérault
Handbook of Mineralogy
  • Provence-Alpes-Côte d'Azur
    • Var
      • Le Pradet
Neues Jahrb.Min.,Mh.(1991) 481-486
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Freudenstadt
Walenta, K. (1985): Neufunde aus dem Schwarzwald. Lapis, 10 (11), 26-35 (as "cyanotrichite-like mineral"); Walenta, K. (1995): Camerolait aus dem Schwarzwald. Aufschluss 46, 210-214; Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
      • Wolfach
        • Oberwolfach
          • Rankach valley
WALENTA, K. (1995): Neue Mineralfunde von der Grube Clara. 6. Folge, 1. Teil. - Lapis 20 (5), 33-38.
Italy
 
  • Friuli-Venezia Giulia
    • Udine Province
      • Forni Avoltri
Ciriotti, M.E., Möckel, S., Blaβ, G., Bortolozzi, G. (2006). Cualstibite: ritrovamenti italiani. MICRO (UK report), 2006, 19-24.
      • Paluzza
        • Timau
          • Casera Pramosio (Malga Pramosio)-Monte Avostanis/Blaustein area
- Bortolozzi G.M., Pondrelli M. e Vidus L. (2015) : I minerali della Creta di Timau (Lago Avostanis, Paluzza, Udine): riscoperta di un’antica località mineraria. Gortania, 37, 15-31.
Portugal
 
  • Évora District
    • Alandroal
      • São Brás dos Matos
Pedro Alves collection and analytical data.
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
      • Ľubietová (Libetbánya; Libethen)
Pauliš,P.,Ďuďa,R.,2002: Nejzajímavejší mineralogická naletište Slovenska. Kuttna,K.Hora, 136p
Martin Števko (unpublished, EMPA-WDS confirmed)
      • Špania Dolina (Herrengrund)
P. Andresen collection, obtained from A. Robbemond, 2004.
Spain
 
  • Castile and Leon
    • Zamora
      • Losacino
        • Vide de Alba
-Calvo, M. (2014) "Minerales y Minas de España", Vol. VI (Sulfatos (seleniatos, teluratos),cromatos,molibdatos y wolframatos). Escuela Técnica Superior de Ingenieros de Minas. Madrid
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
CUCHET, S. (1995): Seconde occurrence de camérolaïte, Cu4Al2[(HSbO4,SO4)](OH)10(CO3)*2H2O, Val d'Anniviers, Valais, Suisse. Schweiz. Miner. Petrogr. Mitt. 75, 283-284.; Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 100; 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)
Mineral and/or Locality  
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