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Lindackerite

A valid IMA mineral species - grandfathered
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About LindackeriteHide

Formula:
CuCu4(AsO4)2(HAsO4)2 · 9H2O
Colour:
Apple-green; light green to colourless in transmitted light
Lustre:
Vitreous
Hardness:
2 - 2½
Specific Gravity:
3.35
Crystal System:
Triclinic
Name:
Named in honor of Joseph Lindacker (23 April 1823, Cheb, Austrian Empire (now Czech Republic) - 17 September 1891, Cheb, Austria-Hungary (now Czech Republic)), pharmacist-chemist, worked with Josef Vogl (voglite) to analyze Jáchymov minerals. He was the first to analyze this material.
Lindackerite Group.

A secondary mineral occurring in the oxidized zones of some arsenic-bearing copper deposits.


Unique IdentifiersHide

Mindat ID:
2404
Long-form identifier:
mindat:1:1:2404:0

IMA Classification of LindackeriteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA status notes:
Redefined by the IMA
IMA Formula:
Cu2+5(As5+O4)2(As5+O3OH)2(H2O)8·H2O
First published:
1853
Approval history:
Redefined 1995 s.p.: Sarp and Dominik (1995).

Classification of LindackeriteHide

8.CE.30

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
39.2.6.1

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
2 : (AB)5[HXO4]2[XO4]2.xH2O
20.1.11

20 : Arsenates (also arsenates with phosphate, but without other anions)
1 : Arsenates of Cu

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
LdkIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of LindackeriteHide

Vitreous
Transparency:
Transparent
Colour:
Apple-green; light green to colourless in transmitted light
Streak:
Pale green to white
Hardness:
2 - 2½ on Mohs scale
Cleavage:
Perfect
On {010}, perfect.
Fracture:
Conchoidal
Density:
3.35 g/cm3 (Measured)    3.37 g/cm3 (Calculated)

Optical Data of LindackeriteHide

Type:
Biaxial (+)
RI values:
nα = 1.626 - 1.632 nβ = 1.662 nγ = 1.725 - 1.728
2V:
Measured: 74° to 74°, Calculated: 72° to 73°
Max. Birefringence:
δ = 0.096 - 0.099
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Surface Relief:
Very High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.
In focus
Interference Figure:
This shows the idealized biaxial acute bisectrix (Bxa) interference figure - the conoscopic view for a grain cut perpendicular to the acute bisectrix, using this mineral's 2V. The two small white dots mark the melatopes - the points where the two optic axes emerge - and are shown only when they fall within the field of view. The coloured bands are isochromatics, and the dark bands are isogyres.

Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
Dispersion:
r > v
Optical Extinction:
Y ∧ a = 21.3° on {010} and 34.4° on {001}.
Pleochroism:
Weak
Comments:
X = Y = Colourless
Z = Green

Chemistry of LindackeriteHide

Mindat Formula:
CuCu4(AsO4)2(HAsO4)2 · 9H2O
Element Weights:
Element% weight
O38.551 %
Cu30.623 %
As28.884 %
H1.943 %

Calculated from ideal end-member formula.
O
Cu
As
H

Crystallography of LindackeriteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 8.035 Å, b = 10.368 Å, c = 6.453 Å
α = 79.6°, β = 84.83°, γ = 86.7°
Ratio:
a:b:c = 0.775 : 1 : 0.622
Unit Cell V:
526.13 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Crystals lathlike, exhibiting {010}, {001}, and {101}; rosette-like aggregates and crusts.
Comment:
Class either 1 or 1; Space Group either P1 or P1..

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0007024LindackeriteHybler J, Ondrus P, CiSarova I, Petricek V, Veselovsky F (2003) Crystal structre of lindackerite, (Cu,Co,Ni)Cu4(AsO4)2(AsO3OH)2*9H2O from Jachymov, Czech Republic European Journal of Mineralogy 15 1035-10422003Jachymov, Czech Republic0293
0007023LindackeriteHybler J, Ondrus P, CiSarova I, Petricek V, Veselovsky F (2003) Crystal structure of lindackerite, (Cu,Co,Ni)Cu4(AsO4)2(AsO3OH)2*9H2O from Jachymov, Czech Republic European Journal of Mineralogy 15 1035-10422003Jachymov, Czech Republic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
0.2 Å(100)
8.02 Å(70)
3.668 Å(60)
3.154 Å(60)
2.665 Å(50)
4.001 Å(40)
3.064 Å(40)

Geological EnvironmentHide

Paragenetic Mode(s):
Geological Setting:
Oxidized zones of arsenic-rich copper deposits.

Type Occurrence of LindackeriteHide

Synonyms of LindackeriteHide

Other Language Names for LindackeriteHide

Relationship of Lindackerite to other SpeciesHide

Other Members of Lindackerite Group:
Hloušekite(Ni,Co)Cu4(AsO4)2(AsO3OH)2 · 9H2OTric. 1 : P1
PradetiteCoCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
VeselovskýiteZnCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1

Common AssociatesHide

Associations Based on Photo Data:
6 photos of Lindackerite associated with LavendulanNaCaCu5(AsO4)4Cl · 5H2O
6 photos of Lindackerite associated with BabánekiteCu3(AsO4)2 · 8H2O
1 photo of Lindackerite associated with OliveniteCu2(AsO4)(OH)
1 photo of Lindackerite associated with Hloušekite(Ni,Co)Cu4(AsO4)2(AsO3OH)2 · 9H2O

Related Minerals - Strunz-mindat GroupingHide

8.CE.MonteneroiteCu2+Mn2+2(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.BelmonteiteCaMn2(AsO4)2 · 7H2OOrth. mm2
8.CE.ZincocabreriteZnMg2(AsO4)2(H2O)8Mon. 2/m : B2/m
8.CE.XBabánekiteCu3(AsO4)2 · 8H2O Mon. 2/m : B2/m
8.CE.05ChudobaiteMg5(AsO4)2(AsO3OH)2 · 10H2OTric. 1 : P1
8.CE.05GeigeriteMn2+5(AsO4)2(HAsO4)2 · 10H2OTric. 1 : P1
8.CE.10NewberyiteMg(PO3OH) · 3H2OOrth. mmm(2/m2/m2/m) : Pbca
8.CE.10ManganonewberyiteMn(PO3OH)(H2O)3Orth. mmm(2/m2/m2/m) : Pbca
8.CE.15Fanguangite(MoO2)(PO3OH) · 4H2OTric. 1 : P1
8.CE.15BrassiteMg(HAsO4) · 4H2OOrth. mmm(2/m2/m2/m) : Pbca
8.CE.20PhosphorrössleriteMg(PO3OH) · 7H2OMon. 2/m : P2/b
8.CE.20RössleriteMg(HAsO4) · 7H2OMon. 2/m : B2/b
8.CE.25SwitzeriteMn2+3(PO4)2 · 7H2OMon. 2/m : P21/c
8.CE.25MetaswitzeriteMn2+3(PO4)2 · 4H2OMon. 2/m : P2/b
8.CE.30PradetiteCoCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30VeselovskýiteZnCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30KlajiteMnCu4(AsO4)2(HAsO4)2 · 9-10H2OTric. 1 : P1
8.CE.30Hloušekite(Ni,Co)Cu4(AsO4)2(AsO3OH)2 · 9H2OTric. 1 : P1
8.CE.30OndrušiteCaCu4(AsO4)2(HAsO4)2 · 10H2OTric. 1 : P1
8.CE.35BobierriteMg3(PO4)2 · 8H2OMon. 2/m : B2/b
8.CE.40Barićite(Mg,Fe)3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ParasymplesiteFe2+3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40GritsenkoiteCoMg2(AsO4)2(H2O)8Mon. 2/m : B2/m
8.CE.40CabreriteNiMg2(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40PakhomovskyiteCo3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40VivianiteFe2+Fe2+2(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ArupiteNi3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ErythriteCo3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40HörnesiteMg3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ManganohörnesiteMn2+3(AsO4)2 · 8H2OMon. 2/m : P2/c
8.CE.40KöttigiteZn3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40FerrisymplesiteFe3+3(AsO4)2(OH)3 · 5H2OMon.
8.CE.40AnnabergiteNi3(AsO4)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. 422 : P41212
8.CE.60KaňkiteFeAsO4 · 3.5H2OMon. 2 : P2
8.CE.60HilarioniteFe3+2(SO4)(AsO4)(OH) · 6H2OMon. 2/m : B2/m
8.CE.65SteigeriteAl(VO4) · 3H2OMon. 2/m : P21/m
8.CE.70MetaschoderiteAl2(PO4)(VO4) · 6H2OMon. 2/m : P2/c
8.CE.70SchoderiteAl2(PO4)(VO4) · 8H2OMon.
8.CE.75ZigrasiteMgZr(PO4)2 · 4H2OTric. 1 : P1
8.CE.75'UM2009-11-PO:CaHZr'CaZr[PO4]2 · 4H2OTric.
8.CE.75MalhmooditeFeZr(PO4)2 · 4H2OMon. 2/m : P21/c
8.CE.80SantabarbaraiteFe3+3(PO4)2(OH)3 · 5H2OAmor.
8.CE.85Metaköttigite(Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH)Tric. 1 : P1
8.CE.90SlavkoviteCu13(AsO4)6(AsO3OH)4 · 23H2OTric. 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.

Internet Links for LindackeriteHide

References for LindackeriteHide

Reference List:

Localities for LindackeriteHide

Showing 13 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Austria
 
  • Salzburg
    • Zell am See District
      • Rauris
        • Alteck - Hoher Sonnblick area
          • Kolm-Saigurn
Strasser (1989)
Niedermayr et al. (2009)
Czech Republic (TL)
 
  • Karlovy Vary Region
    • Karlovy Vary District
      • Jáchymov
Palache et al. (1951) +2 other references
Hloušek et al. (2002)
France
 
  • Occitanie
    • Aude
      • Carcassonne
        • Salsigne
Forner et al. (1997)
  • Provence-Alpes-Côte d'Azur
    • Var
      • Toulon
        • Le Pradet
Favreau et al. (2014)
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Oberwolfach
Blaß et al. (2016)
  • Saxony
    • Erzgebirgskreis
      • Schwarzenberg
        • Crandorf
Gerstenberg et al. (11/21)
Iran
 
  • Isfahan Province
    • Nain County
      • Anarak District
Bariand et al. (1993)
Italy
 
  • Sardinia
    • South Sardinia Province
      • Gonnosfanadiga
        • Fenugu Sibiri Mine
Jason Evans collection +1 other reference
Morocco
 
  • Drâa-Tafilalet Region
    • Zagora Province
      • Agdz Cercle
        • Tansifte Caïdat
          • Oumlil
Favreau (2026)
Namibia
 
  • Oshikoto Region
    • Tsumeb
Bowell et al. (2018)
USA
 
  • Nevada
    • Pershing County
      • Antelope Mining District
Castor et al. (2004)
 
and/or  
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