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About NiedermayriteHide

Dr. Gerhard Niedermayr in the field
CdCu4(SO4)2(OH)6 · 4H2O
Bluish green, pale bluish
Specific Gravity:
3.292 (Calculated)
Crystal System:
Named after Dr. Gerhard Niedermayr (16 June 1941 - 17 July 2015), mineralogist and geologist, Naturhistorisches Museum, Vienna, Austria, compiler of the regional mineralogy of the eastern Alps. Known for his extensive work on Alpine-type minerals, the mineralogy of Carinthia, quartz, and gemstones.
Structurally related to christelite and campigliaite.

Classification of NiedermayriteHide


7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra

Physical Properties of NiedermayriteHide

Bluish green, pale bluish
Hardness Data:
Could not be measured
on {010}
3.292 g/cm3 (Calculated)

Optical Data of NiedermayriteHide

Biaxial (-)
RI values:
nα = 1.599 - 1.619 nβ = 1.642 nγ = 1.661
Measured: 84° , Calculated: 64° to 82°
Max Birefringence:
δ = 0.062
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
r > v strong

Chemical Properties of NiedermayriteHide

CdCu4(SO4)2(OH)6 · 4H2O
IMA Formula:
Cu4Cd(SO4)2(OH)6 · 4H2O

Crystallography of NiedermayriteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 5.543(1) Å, b = 21.995(4) Å, c = 6.079(1) Å
β = 92.04(3)°
a:b:c = 0.252 : 1 : 0.276
Unit Cell V:
740.7 ų
The predominant crystal form is {010}, additional forms are {100}, {001} as well as unindexed prisms.
No clear twinning was observed.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
11.02 Å(90)
5.874 Å(20)
5.496 Å(100)
5.322 Å(25)
4.079 Å(50)
3.660 Å(20)
3.437 Å(30)
3.243 Å(40)
2.470 Å(30)
2.425 Å(20)
2.205 Å(20)
1.897 Å(20)

Type Occurrence of NiedermayriteHide

General Appearance of Type Material:
Tiny euhedral plates, commonly intergrown as green crusts up to several cm2 in size.
Place of Conservation of Type Material:
Institute of Mineralogy and Crystallography, University of Vienna, Vienna and Department of Mineralogy and Petrography, Natural History Museum, Vienna, Austria.
Associated Minerals at Type Locality:

Synonyms of NiedermayriteHide

Other Language Names for NiedermayriteHide

Relationship of Niedermayrite to other SpeciesHide

Structurally related to group(s):

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Niedermayrite associated with KtenasiteZnCu4(SO4)2(OH)6 · 6H2O
2 photos of Niedermayrite associated with DrobeciteCdSO4 · 4H2O
2 photos of Niedermayrite associated with ConichalciteCaCu(AsO4)(OH)
1 photo of Niedermayrite associated with AntleriteCu3(SO4)(OH)4
1 photo of Niedermayrite associated with CalciteCaCO3
1 photo of Niedermayrite associated with ChalcanthiteCuSO4 · 5H2O
1 photo of Niedermayrite associated with AnglesitePbSO4
1 photo of Niedermayrite associated with KeyiteCu2+3Zn4Cd2(AsO4)6 · 2H2O
1 photo of Niedermayrite associated with Aldridgeite(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6 · 3H2O

Related Minerals - Nickel-Strunz GroupingHide

7.DD.05FelsőbányaiteAl4(SO4)(OH)10 · 4H2OMon. 2 : P21
7.DD.10LangiteCu4(SO4)(OH)6 · 2H2OMon. m
7.DD.10PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
7.DD.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
7.DD.15SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
7.DD.20KtenasiteZnCu4(SO4)2(OH)6 · 6H2OMon.
7.DD.25ChristeliteCu2Zn3(SO4)2(OH)6 · 4H2OTric.
7.DD.30CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon.
7.DD.30DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.30OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OOrth. mm2 : Pca21
7.DD.30SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OMon. 2/m : B2/b
7.DD.30EdwardsiteCu3Cd2(SO4)2(OH)6·4H2O Mon. 2/m : P21/b
7.DD.35Carrboydite(Ni1-xAlx)(SO4)x/2(OH)2 · nH2OHex.
7.DD.35Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35Honessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35Hydrohonessite(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : R3m
7.DD.35Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
7.DD.35ShigaiteMn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig.
7.DD.35WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : P3c1
7.DD.35WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincaluminiteZn6Al6(SO4)2(OH)16 · 5H2O
7.DD.35Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincowoodwarditeZn1-xAlx(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35NikischeriteFe2+6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig.
7.DD.40Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.40Torreyite(Mg,Mn2+)72Mn2+2Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.45MooreiteMg92Mn2Zn4(SO4)2(OH)26 · 8H2OMon. 2/m : P2/b
7.DD.50NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
7.DD.55BechereriteZn7Cu(OH)13[(SiO(OH)3(SO4)]Trig. 3 : P3
7.DD.60Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
7.DD.65VonbezingiteCa6Cu3(SO4)3(OH)12 · 2H2OMon. 2/m : P21/b
7.DD.70RedgilliteCu6(SO4)(OH)10 · H2OMon. 2/m : P21/b
7.DD.75ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2OMon. 2 : P21
7.DD.75Nickelalumite(Ni,Cu)Al4(SO4,(NO3)2)(OH)12 · 3H2OMon.
7.DD.80GuarinoiteZn6(SO4)(OH)10 · 5H2OHex.
7.DD.80Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig.
7.DD.80ThérèsemagnaniteNaCo4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
7.DD.80UM1992-30-SO:CCuHZn(Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.85MontetrisaiteCu6(SO4)(OH)10 · 2H2OOrth. mm2 : Cmc21

Fluorescence of NiedermayriteHide


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 NiedermayriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Giester, G., Rieck, B., and Brandstätter, F. (1998) Niedermayrite, Cu4Cd(SO4)2(OH)6•4H2O, a new mineral from the Lavrion Mining District, Greece. Mineralogy and Petrology: 63: 19-34.

Internet Links for NiedermayriteHide

Localities for NiedermayriteHide

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.
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
        • Broken Hill
Peter Elliot pers. comm.
  • La Paz
    • Aroma Province
EDS analysis by Joy Desor,,11,359266,359548#msg-359548
Joy Desor specimen. EDS analyzed.
  • Attica
    • East Attica
      • Lavreotiki
        • Lavrion Mining District
          • Agios Konstantinos (Kamariza)
            • Kamariza Mines (Kamareza Mines)
              • Hilarion Mine
Fritz Schreiber Collection
          • Elaiochori
Lapis, 28/5 (May 2003)
Gröbner, J. (2003): Hervorragender Neufund: Niedermayrit aus dem Revier Villia bei Lavrion. Lapis, 28 (5), 32-34.
          • Km 3
            • Kaminiza mines
Giester, G., Rieck, B., and Brandstätter, F. (1998) Niedermayrite, Cu4Cd(SO4)2(OH)6•4H2O, a new mineral from the Lavrion Mining District, Greece. Mineralogy and Petrology: 63: 19-34.; Hanke, H. and Jahn, S. (1998) Niedermayrit. Mineralien-Welt, 9 (5), 12.; Hanke, H. (1998) Niedermayrit, Cu4Cd(SO4)2(OH)6•4H2O, ein neues Mineral aus dem Bergbaugebiet Laurion, Griechenland. Mineralien-Welt, 9 (5), 13; Rieck, B., Kolitsch, U., Voudouris, P., Giester, G. and Tzeferis, P. (2018): Weitere Neufunde aus Lavrion, Griechenland. Mineralien-Welt 29 (5), 32-77 (in German).
          • Sounion
            • Cato Sounio mines
Branko Rieck collection
  • Oshikoto Region
    • Tsumeb
EDS and Raman analyzed by Joy Desor.
  • Beja
    • Odemira
      • São Luís
Pedro Alves collection and analytical data.
  • New Mexico
    • Socorro Co.
      • Magdalena District
        • Magdalena
Patrick Haynes collection
  • Utah
    • Tooele Co.
      • Oquirrh Mountains
        • Ophir Mining District
          • Ophir Hill area
Twenty-seventh Annual New Mexico Mineral Sympsium (2006) abs.; Rocks & Minerals 83:1 pp 52-62
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