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Nickellotharmeyerite

Big Photo

Pucher Shaft, Wolfgang Maaßen Mine field, Schneeberg District, Erzgebirge, Saxony, Germany
© Thomas Witzke

Show Nickellotharmeyerite Photos (3)
Formula:
Ca(Ni,Fe
3+
 
,Co)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
System:MonoclinicColour:brown, red-brown, yellow
Lustre:ResinousHardness:4½
Name:For its relationship with Lotharmeyerite
This page provides mineralogical data about Nickellotharmeyerite.

Classification of Nickellotharmeyerite

IMA status:Approved 1999
Strunz 8th edition ID:7/C.31-08
Nickel-Strunz 10th (pending) edition ID:8.CG.15

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
G : With large and medium-sized cations, RO4:H2O = 1:1
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Type Occurrence of Nickellotharmeyerite

Type Locality:Pucher Shaft, Wolfgang Maaßen Mine field, Schneeberg District, Erzgebirge, Saxony, Germany
General Appearance of Type Material:minute tabular crystals to 0.1 mm, elongated on [010]
Geological Setting of type material:in quartz casts of decomposed nickel and cobalt arsenides, in the oxidation zone of the deposit
Associated Minerals at type locality:
ZeuneriteQuartzMawbyiteFerrilotharmeyeriteBariopharmacosiderite
Arseniosiderite

Physical Properties of Nickellotharmeyerite

Lustre:Resinous
Diaphaneity (Transparency):Transparent
Colour:brown, red-brown, yellow
Streak:light brown to yellow
Hardness (Mohs):4½
Hardness (Vickers):VHN25=500 kg/mm2
Hardness Data:Measured
Tenacity:Brittle
Cleavage:None Observed
Fracture:Conchoidal
Density (calculated):4.45 g/cm3

Crystallography of Nickellotharmeyerite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m (B1 1 2/m) [C2/m] {C1 2/m 1}
Cell Parameters:a = 9.005Å, b = 6.205Å, c = 7.411Å
β = 115.31°
Ratio:a:b:c = 1.451 : 1 : 1.194
Unit Cell Volume:V 374.4 ų
Z:2
X-Ray Powder Diffraction:
d-spacingIntensity
3.393 (55)
3.182 (76)
2.962 (100)
2.816 (66)
2.703 (66)
2.538 (75)

Optical Data of Nickellotharmeyerite

Type:Biaxial (+)
RI values: nα = 1.800 nβ = 1.810 nγ = 1.870
2V:Measured: 40°
Maximum Birefringence:δ = 0.070

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Pleochroism:Strong
Comments:X=yellow
Y=brown
Z=pale yellow
X≈c
Y=b
Z^a ≈ 25°

Chemical Properties of Nickellotharmeyerite

Formula:
Ca(Ni,Fe
3+
 
,Co)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
Essential elements:As, Ca, H, Ni, O
All elements listed in formula:As, Ca, Co, Fe, H, Ni, O
Analyical Data:average values out of eleven sets of electron microprobe data
CaO (9.29%)
NiO (12.86%)
CoO (3.83%)
CuO (0.11%)
ZnO (0.62%)
PbO (0.90%)
Fe2O3 (12.88%)
Bi2O3 (8.56%)
P2O5 (0.23%)
As2O5 (45.32%)
SO3 (0.12%)
H2O (5.35%)

Total: 100.07 wt.%
Empirical Formula:
(Ca
 
0.83
Bi
 
0.18
)
 
Σ1.01
(Ni
 
0.86
Fe
3+
0.81
Co
 
0.26
Zn
 
0.04
Pb
 
0.02
Cu
 
0.01
)
 
Σ2.00
[(AsO
 
4
)
 
1.98
(PO
 
4
)
 
0.02
(SO
 
4
)
 
0.01
]
 
Σ2.01
[(H
 
2
O)
 
1.00
(OH)
 
0.99
]
 
Σ1.99
Common Impurities:Bi

Relationship of Nickellotharmeyerite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.CG.05Cassidyite
Ca
 
2
(Ni
2+
 
,Mg)[PO
 
4
]
 
2
 · 2H
 
2
O
8.CG.05Collinsite
Ca
 
2
(Mg,Fe
2+
 
)[PO
 
4
]
 
2
 · 2H
 
2
O
8.CG.05Fairfieldite
Ca
 
2
(Mn
2+
 
,Fe
2+
 
)[PO
 
4
]
 
2
 · 2H
 
2
O
8.CG.05Gaitite
Ca
 
2
Zn[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.05Messelite
Ca
 
2
(Fe
2+
 
,Mn
2+
 
)[PO
 
4
]
 
2
 · 2H
 
2
O
8.CG.05Parabrandtite
Ca
 
2
Mn
2+
 
[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.05Talmessite
Ca
 
2
Mg[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.05β-Uranophane
Ca(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 5H
 
2
O
8.CG.05Hillite
Ca
 
2
(Zn,Mg)[PO
 
4
]
 
2
 · 2 H
 
2
O
8.CG.10Brandtite
Ca
 
2
(Mn
2+
 
,Mg)[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.10Roselite
Ca
 
2
(Co
2+
 
,Mg)[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.10Wendwilsonite
Ca
 
2
(Mg,Co
2+
 
)[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.10Zincroselite
Ca
 
2
Zn[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.15Ferrilotharmeyerite
Ca(Fe
3+
 
,Zn)
 
2
[AsO
 
4
]
 
2
 · 2(OH,H
 
2
O)
8.CG.15Lotharmeyerite
Ca(Zn,Mn
3+
 
)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.15Mawbyite
Pb(Fe
3+
 
,Zn)
 
2
[AsO
 
4
]
 
2
 · 2(OH,H
 
2
O)
8.CG.15Mounanaite
PbFe
3+
2
[VO
 
4
]
 
2
 · 2(OH,F)
8.CG.15Thometzekite
Pb(Cu,Zn)
 
2
[AsO
 
4
,SO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.15Tsumcorite
Pb(Zn,Fe
3+
 
)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.15Cobaltlotharmeyerite
Ca(Co,Fe
3+
 
,Ni)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.15Cabalzarite
Ca(Mg,Al,Fe
3+
 
)
 
2
[AsO
 
4
]
 
2
 · 2(OH,H
 
2
O)
8.CG.15Krettnichite
(Pb,Sr)(Mn
3+
 
,Co)
 
2
[VO
 
4
]
 
2
 · 2(OH,H
 
2
O)
8.CG.15Cobalttsumcorite
Pb(Co,Fe
3+
 
,Ni)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.15Manganlotharmeyerite
Ca(Mn
3+
 
,Zn)
 
2
[AsO
 
4
]
 
2
 · 2(OH,H
 
2
O)
8.CG.15Schneebergite
(Bi
3+
 
,Ca)(Co,Ni,Fe
3+
 
)
 
2
[AsO
 
4
]
 
2
 · 2(OH,H
 
2
O)
8.CG.15Nickelschneebergite
(Bi
3+
 
,Ca)(Ni,Co,Fe
3+
 
)
 
2
[AsO
 
4
]
 
2
 · 2(OH,H
 
2
O)
8.CG.20Gartrellite
Pb(Cu,Fe
3+
 
,Zn)
 
2
[AsO
 
4
,SO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.20Helmutwinklerite
Pb(Zn,Cu)
 
2
[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.20Zincgartrellite
Pb(Zn,Fe
3+
 
,Cu)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.20Rappoldite
Pb(Co,Ni,Zn)
 
2
[AsO
 
4
]
 
2
 · 2H
 
2
O
8.CG.20Phosphogartrellite
Pb(Cu,Fe
3+
 
)
 
2
[PO
 
4
,AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.20Lukrahnite
Ca(Cu,Zn)(Fe
3+
 
,Zn)[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.CG.25Pottsite
HPbBi(VO
 
4
)
 
2
·2H
 
2
O

Other Names for Nickellotharmeyerite

Synonyms:
IMA1999-008
Other Languages:
German:Nickellotharmeyerit
Russian:Никельлотармейерит
Spanish:Nickellotharmeyerita

Other Information

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 Nickellotharmeyerite

Reference List:Krause, W., Bernhardt, H.-J., Effenberger, H., and Martin, M. (2001): Cobalttsumcorite and nickellotharmeyerite, two new minerals from Schneeberg, Germany: description and crystal structure. Neues Jahrbuch für Mineralogie-Monatshefte (2001): 558-576.

Articles/Blogs about Nickellotharmeyerite

Internet Links for Nickellotharmeyerite

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    Localities for Nickellotharmeyerite

    (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.
    Germany
     
    • Saxony
      • Erzgebirge
        • Schneeberg District
    		Lapis 30(7/8):69 (2005)
          • Wolfgang Maaßen Mine field
    		Neues Jahrb. Mineral. Mon. 558-576
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azzer District
            • Aït Ahmane
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Mineral and/or Locality
    Google
     
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