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Babánekite

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About BabánekiteHide

Formula:
Cu3(AsO4)2 · 8H2O
Generally contains Co, Zn, Mg or other, apparently stabilising, divalent cations replacing Cu.
Colour:
Pinkish to peach-colored
Lustre:
Vitreous
Hardness:
1½ - 2
Specific Gravity:
3.192 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
The new mineral is named after František Babánek (born October 10, 1836, in Kamenný Přívoz near Jílové, Bohemia; died February 25, 1910, in Prague), Czech mining expert, geologist and mineralogist. Babánek worked in Příbram and later in Jáchymov, the two most important mining districts in Bohemia, then a part of the Austro-Hungarian Empire.
Easily confused with erythrite and other pink solid-solution members of the vivianite group.


Classification of BabánekiteHide

Approved
Approval Year:
2012
First Published:
2017
8.CE.X

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5

Physical Properties of BabánekiteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Pinkish to peach-colored
Streak:
Light pinkish
Hardness:
1½ - 2 on Mohs scale
Comment:
Estimated
Cleavage:
Perfect
on {010}
Density:
3.192 g/cm3 (Calculated)

Chemical Properties of BabánekiteHide

Formula:
Cu3(AsO4)2 · 8H2O

Generally contains Co, Zn, Mg or other, apparently stabilising, divalent cations replacing Cu.
IMA Formula:
Cu3(AsO4)2 · 8H2O

Crystallography of BabánekiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 10.1729(2) Å, b = 13.5088(4) Å, c = 4.7496(1) Å
β = 105.399(2)°
Ratio:
a:b:c = 0.753 : 1 : 0.352
Unit Cell V:
629.28 ų
Z:
2
Morphology:
Elongated, prismatic crystals up to 2 mm in length. Forms observed: exhibit the forms {010}, {100}, {110}, {101} and less frequently also {001}.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.936 (10)
6.743 (100)
3.231 (14)
2.999 (5)
2.980 (5)
2.725 (5)
2.715 (11)
2.333 (10)

Occurrences of BabánekiteHide

Paragenetic Mode(s):
•  Oxidation

Type Occurrence of BabánekiteHide

General Appearance of Type Material:
Pinkish to peach-colored, elongated, prismatic crystals up to 2 mm in length
Place of Conservation of Type Material:
Department of Mineralogy and Petrology of the National Museum in Prague, Prague, Czech Republic, catalogue number P1P 8/2011
Empirical Formula of Type Material:
(Cu1.12Zn0.78Co0.69Ni0.322.91[(AsO4)2.01(PO4)0.01(SO4)0.012.03•8H2O
Chemical Analysis of Type Material:
CoO8.89 %
NiO4.06 %
CuO15.31 %
ZnO10.87 %
P2O50.16 %
As2O539.79 %
SO30.13 %
H2O (calc)24.78 %
Total:103.99 %
Associated Minerals at Type Locality:
Reference:
Plášil, J., Škácha, P., Sejkora, J., Škoda, R., Novák, M., Veselovský, F., Hloušek, J. (2017) Babánekite, Cu3(AsO4)2 ∙ 8H2O, from Jáchymov, Czech Republic - a new member of the vivianite group. Journal of Geosciences: 62: 261-270.

Synonyms of BabánekiteHide

Other Language Names for BabánekiteHide

German:Babánekit

Relationship of Babánekite to other SpeciesHide

Member of:
Other Members of this group:
AnnabergiteNi3(AsO4)2 · 8H2OMon. 2/m : B2/m
ArupiteNi3(PO4)2 · 8H2OMon. 2/m : B2/m
Barićite(Mg,Fe)3(PO4)2 · 8H2OMon. 2/m : B2/m
ErythriteCo3(AsO4)2 · 8H2OMon. 2/m : B2/m
HörnesiteMg3(AsO4)2 · 8H2OMon. 2/m : B2/m
KöttigiteZn3(AsO4)2 · 8H2OMon. 2/m : B2/m
Manganohörnesite(Mn,Mg)3(AsO4)2 · 8H2OMon. 2/m : P2/m
PakhomovskyiteCo3(PO4)2 · 8H2OMon. 2/m : B2/m
ParasymplesiteFe2+3(AsO4)2 · 8H2OMon. 2/m : B2/m
VivianiteFe2+3(PO4)2 · 8H2OMon. 2/m : B2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Lavendulan1 photo of Babánekite associated with Lavendulan on mindat.org.
Hloušekite1 photo of Babánekite associated with Hloušekite on mindat.org.
Gypsum1 photo of Babánekite associated with Gypsum on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.CE.05Chudobaite(Mg,Zn)5(AsO4)2(HAsO4)2 · 10H2OTric.
8.CE.05GeigeriteMn2+5(AsO4)2(HAsO4)2 · 10H2OTric.
8.CE.10NewberyiteMg(HPO4) · 3H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.CE.15BrassiteMg(HAsO4) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.CE.20PhosphorrössleriteMg(HPO4) · 7H2OMon. 2/m : P2/b
8.CE.20RößleriteMg(HAsO4) · 7H2OMon. 2/m : B2/b
8.CE.25MetaswitzeriteMn2+3(PO4)2 · 4H2OMon. 2/m : P2/b
8.CE.25Switzerite(Mn,Fe)3(PO4)2 · 7H2OMon.
8.CE.30LindackeriteCuCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30OndrušiteCaCu4(AsO4)2(HAsO4)2 · 10H2OTric. 1 : P1
8.CE.30VeselovskýiteZnCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30PradetiteCoCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30KlajiteMnCu4(AsO4)2(HAsO4)2 · 9-10H2OTric. 1 : P1
8.CE.35BobierriteMg3(PO4)2 · 8H2OMon. 2/m : B2/b
8.CE.40AnnabergiteNi3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ArupiteNi3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40Barićite(Mg,Fe)3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ErythriteCo3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40FerrisymplesiteFe3+3(AsO4)2(OH)3 · 5H2O
8.CE.40HörnesiteMg3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40KöttigiteZn3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40Manganohörnesite(Mn,Mg)3(AsO4)2 · 8H2OMon. 2/m : P2/m
8.CE.40ParasymplesiteFe2+3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40VivianiteFe2+3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40PakhomovskyiteCo3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.45SymplesiteFe2+3(AsO4)2 · 8H2OTric. 1 : P1
8.CE.50CattiiteMg3(PO4)2 · 22H2OTric. 1 : P1
8.CE.55KoninckiteFe3+PO4 · 3H2OTet.
8.CE.60KaňkiteFeAsO4 · 3.5H2OMon.
8.CE.65SteigeriteAl(VO4) · 3H2OMon. 2/m : P21/m
8.CE.70MetaschoderiteAl2(PO4)(VO4) · 6H2OMon. 2/m : P2/m
8.CE.70SchoderiteAl2(PO4)(VO4) · 8H2OMon.
8.CE.75MalhmooditeFeZr(PO4)2 · 4H2OMon.
8.CE.75ZigrasiteMgZr(PO4)2 · 4H2OTric. 1 : P1
8.CE.75Unnamed (Ca-analogue of Zigrasite)CaZr[PO4]2 · 4H2OTric.
8.CE.80SantabarbaraiteFe3+3(PO4)2(OH)3 · 5H2OAmor.
8.CE.85Metaköttigite(Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH)Tric. 1 : P1

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 BabánekiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Plášil*, J., Fejfarová, K., Radek Škoda, R., Škácha, P., Sejkora, J., Veselovský, F., Hloušek, J., Novák, M. (2012) Babánekite, IMA 2012-007. CNMNC Newsletter No. 13, June 2012, page 814; Mineralogical Magazine, 76, 807-817.
Plášil, J., Škácha, P., Sejkora, J., Škoda, R., Novák, M., Veselovský, F., Hloušek, J. (2017) Babánekite, Cu3(AsO4)2 ∙ 8H2O, from Jáchymov, Czech Republic - a new member of the vivianite group. Journal of Geosciences, 62, 261-270.

Internet Links for BabánekiteHide

Localities for BabánekiteHide

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
 
  • Salzburg
    • Saalfelden
      • Leogang
        • Hütten
          • Schwarzleograben
            • Nöckelberg District
Auer, C. (2017): 2035) Babanekit vom Nöckelberg, Leogang, Salzburg. Pp. 254-255 in Walter, F. et al.: Neue Mineralfunde aus Österreich LXVI, Carinthia II, 207./127., 217-284.
Chile
 
  • Atacama Region
    • Copiapó Province
      • Tierra Amarilla
        • Pampa Larga district
samples analysed by Gerhard Mohn and Joy Desor
Czech Republic (TL)
 
  • Karlovy Vary Region
    • Krušné Hory Mts (Erzgebirge)
      • Jáchymov District (St Joachimsthal)
        • Jáchymov (St Joachimsthal)
          • Rovnost Mine (Werner Mine)
Plášil*, J., Fejfarová, K., Radek Škoda, R., Škácha, P., Sejkora, J., Veselovský, F., Hloušek, J., Novák, M. (2012) Babánekite, IMA 2012-007. CNMNC Newsletter No. 13, June 2012, page 814; Mineralogical Magazine, 76, 807-817.; Škácha, Pavel; Horák, Vladimír; Plašil, Jakub (2014) Minerals and finds of ore shoots on the Geister vein of the western part of the Jáchymov ore district (Czech Republic). Bulletin Mineralogicko-Petrologickeho Oddeleni Narodniho Muzea v Praze Vol. 22 Issue 2, p202-202. 1p.; Plášil, J., Škácha, P., Sejkora, J., Škoda, R., Novák, M., Veselovský, F., Hloušek, J. (2017) Babánekite, Cu3(AsO4)2 ∙ 8H2O, from Jáchymov, Czech Republic - a new member of the vivianite group. Journal of Geosciences: 62: 261-270.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
Blaß, G. & Draxler, V. (2015): Babánekit, ein Erstfund für die Grube Clara im Schwarzwald. Mineralien-Welt 26 (6), 16-19 (in German).
Italy
 
  • Sardinia
    • Medio Campidano Province
      • Gonnosfanadiga
Desor, J. (2017) SEM-EDS analysis.
Giorgio Bortolozzi Collection
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
      • Ľubietová (Libetbánya; Libethen)
Martin Števko, unpublished-EMPA-WDS confirmed
Martin Števko, unpublished-EMPA-WDS confirmed
Mineral and/or Locality  
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