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Niedermayrite

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Esperanza Mine, Lavrion (Laurion; Laurium), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
© F.Schreiber

Show Niedermayrite Photos (17)



Formula:
CdCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
System:MonoclinicColour:Bluish green
Lustre:Vitreous
Name:
Named after Gerhard Niedermayr (b. 1941), mineralogist and geologist, Naturhistorisches Museum, Vienna, Austria, compiler of the regional mineralogy of the eastern Alps.


Structurally related to christelite and campigliaite.

Classification of Niedermayrite

IMA status:Approved
Strunz 8th edition ID:6/D.19-05
Nickel-Strunz 10th (pending) edition ID:7.DD.30

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
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Type Occurrence of Niedermayrite

Type Locality:Esperanza Mine, Lavrion (Laurion; Laurium), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
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:
GreenockiteGalenaChalcopyriteSphaleriteHawleyite
Pyrite

Physical Properties of Niedermayrite

Lustre:Vitreous
Colour:Bluish green
Streak:White
Hardness Data:Could not be measured
Tenacity:Brittle
Cleavage:Perfect
on {010}
Density (calculated):3.292 g/cm3

Crystallography of Niedermayrite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/m {P1 1 21/m} {P21/m} {P1 21/m 1}
Space Group Setting:P21/m
Cell Parameters:a = 5.543(1) Å, b = 21.995(4) Å, c = 6.079(1) Å
β = 92.04(3)°
Ratio:a:b:c = 0.252 : 1 : 0.276
Unit Cell Volume:V 740.7 ų
Z:2
Morphology:The predominant crystal form is {010}, additional forms are {100}, {001} as well as unindexed prisms.
Twinning:No clear twinning was observed.
X-Ray Powder Diffraction:
d-spacingIntensity
11.02 (90)
5.874 (20)
5.496 (100)
5.322 (25)
4.079 (50)
3.660 (20)
3.437 (30)
3.243 (40)
2.470 (30)
2.425 (20)
2.205 (20)
1.897 (20)

Optical Data of Niedermayrite

Type:Biaxial (-)
RI values: nα = 1.599 - 1.619 nβ = 1.642 nγ = 1.661
2V:Measured: 84° , Calculated: 64° to 82°
Maximum Birefringence:δ = 0.062

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v strong
Pleochroism:Non-pleochroic

Chemical Properties of Niedermayrite

Formula:
CdCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
Essential elements:Cd, Cu, H, O, S
All elements listed in formula:Cd, Cu, H, O, S
Analytical Data:Average of 7 electron-microprobe analyses; water content calculated by difference to 100%. Sample from the type locality.
CdO (16.5)
CuO (45.7)
ZnO (<0.1)
MnO (<0.1)
SO3 (21.6)
H2O (16.2)
Total (100.0)
Empirical Formula:
Cu
 
4.29
Cd
 
0.96
(SO
 
4
)
 
2.01
(OH)
 
6.50
 · 3.46H
 
2
O

Relationship of Niedermayrite to other Species

Structurally related to group(s):
Devilline Group
Related Minerals - Nickel-Strunz Grouping):

- +
7.DD.05Felsőbányaite
Al
 
4
(SO
 
4
)(OH)
 
10
 · 4H
 
2
O
7.DD.10Langite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · 2H
 
2
O
7.DD.10Posnjakite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · H
 
2
O
7.DD.10Wroewolfeite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · 2H
 
2
O
7.DD.15Spangolite
Cu
 
6
Al(SO
 
4
)(OH)
 
12
Cl · 3H
 
2
O
7.DD.20Ktenasite
Zn(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 6H
 
2
O
7.DD.25Christelite
Cu
 
2
Zn
 
3
(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
7.DD.30Campigliaite
Mn
2+
 
Cu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
7.DD.30Devilline
CaCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DD.30Orthoserpierite
Ca(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DD.30Serpierite
Ca(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DD.30Edwardsite
Cu
 
3
Cd
 
2
(SO
 
4
)
 
2
(OH)
 
6
·4H
 
2
O
7.DD.35Carrboydite
[(Ni
 
1-x
Al
 
x
)(OH)
 
2
][SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Glaucocerinite
(Zn
 
1-x
Al
 
x
)(OH)
 
2
(SO
 
4
)
 
x/2
 · nH
 
2
O
7.DD.35Honessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Hydrohonessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Motukoreaite
Mg
 
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
7.DD.35Mountkeithite
[(Mg
 
1-x
Fe
3+
x
)(OH)
 
2
][SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Shigaite
Mn
 
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
7.DD.35Wermlandite
Mg
 
7
Al
 
2
(OH)
 
18
[Ca(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
7.DD.35Woodwardite
Cu
 
1-x
Al
 
x
(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Zincaluminite
Zn
 
6
Al
 
6
(SO
 
4
)
 
2
(OH)
 
16
 · 5H
 
2
O
7.DD.35Hydrowoodwardite
(Cu
 
1-x
Al
 
x
)(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Zincowoodwardite
Zn
 
1-x
Al
 
x
(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Natroglaucocerinite
Na
 
x
Zn
 
8-y
Al
 
y
(SO
 
4
)
 
(x+y)/2
(OH)
 
16
 · 6H
 
2
O
7.DD.35Nikischerite
Fe
2+
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
7.DD.40Lawsonbauerite
(Mn
2+
 
,Mg)
 
9
Zn
 
4
(SO
 
4
)
 
2
(OH)
 
22
 · 8H
 
2
O
7.DD.40Torreyite
(Mg,Mn
2+
 
)
 
9
Zn
 
4
(SO
 
4
)
 
2
(OH)
 
22
 · 8H
 
2
O
7.DD.45Mooreite
(Mg,Zn,Mn
2+
 
)
 
15
(SO
 
4
)
 
2
(OH)
 
26
 · 8H
 
2
O
7.DD.50Namuwite
(Zn,Cu)
 
4
(SO
 
4
)(OH)
 
6
 · 4H
 
2
O
7.DD.55Bechererite
(Zn,Cu)
 
6
Zn
 
2
(SO
 
4
,HSiO
 
4
)
 
2
(OH)
 
12
7.DD.60Ramsbeckite
(Cu,Zn)
 
15
(SO
 
4
)
 
4
(OH)
 
22
 · 6H
 
2
O
7.DD.65Vonbezingite
Ca
 
6
Cu
 
3
(SO
 
4
)
 
3
(OH)
 
12
 · 2H
 
2
O
7.DD.70Redgillite
Cu
 
6
(SO
 
4
)(OH)
 
10
 · H
 
2
O
7.DD.75Chalcoalumite
CuAl
 
4
(SO
 
4
)(OH)
 
12
 · 3H
 
2
O
7.DD.75Nickelalumite
(Ni,Cu)Al
 
4
(SO
 
4
,(NO
 
3
)
 
2
)(OH)
 
12
 · 3H
 
2
O
7.DD.75Kyrgyzstanite
ZnAl
 
4
(SO
 
4
)(OH)
 
12
·3H
 
2
O
7.DD.80Guarinoite
(Zn,Co,Ni)
 
6
(SO
 
4
)(OH,Cl)
 
10
 · 5H
 
2
O
7.DD.80Schulenbergite
(Cu,Zn)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
 · 3H
 
2
O
7.DD.80Thérèsemagnanite
(Co,Zn,Ni)
 
6
(SO
 
4
)(OH,Cl)
 
10
 · 8H
 
2
O
7.DD.80UM1992-30-SO:CCuHZn
(Zn,Cu)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
 · 3H
 
2
O
7.DD.85Montetrisaite
Cu
 
6
(SO
 
4
)(OH)
 
10
 · 2H
 
2
O

Other Names for Niedermayrite

Synonyms:
IMA1997-024
Other Languages:
German:Niedermayrit
Russian:Нидермайрит
Spanish:Niedermayrita

Other Information

Fluorescence in UV light:Non-fluorescent.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Niedermayrite

Reference List:

- +
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 Niedermayrite

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    • Localities for Niedermayrite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • New South Wales
      • Yancowinna Co.
        • Broken Hill
    		Peter Elliot pers. comm.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
              • Hilarion area
    		Fritz Schreiber Collection
          • Lavrion (Laurion; Laurium)
    		Min.Petr.(1998) 63, 19-34
          • Plaka
            • Villia
    		Lapis, 28/5 (May 2003)
          • Sounion area
            • Sounion Mines
    		Branko Rieck collection
    USA
     
    • Utah
      • Tooele Co.
        • Oquirrh Mts
          • Ophir District
            • Ophir Hill area
    		Twenty-seventh Annual New Mexico Mineral Sympsium (2006) abs.; Rocks & Minerals 83:1 pp 52-62
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