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Nickeltsumcorite

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Formula:
Pb(Ni,Fe3+)2(AsO4)2(H2O,OH)2
May be Fe3+-free but contain minor Co instead.
System:
Monoclinic
Colour:
Yellow, brownish-yellow, ...
Lustre:
Vitreous
Hardness:
4
Name:
Named as the Ni analogue of tsumcorite and cobalttsumcorite.
The Ni analogue of tsumcorite and cobalttsumcorite. Also the Pb analogue of nickellotharmeyerite. Forms a series with the latter.


Classification of Nickeltsumcorite

Approved
Approval Year:
2013

Physical Properties of Nickeltsumcorite

Vitreous
Colour:
Yellow, brownish-yellow, light brown or brown
Streak:
Yellow
Hardness (Mohs):
4
Comment:
ca. 4
Tenacity:
Brittle
Cleavage:
Distinct/Good
one direction
Density:
5.02 g/cm3 (Calculated)

Optical Data of Nickeltsumcorite

Type:
Biaxial (-)
RI values:
nα = 1.820(2) nβ = 1.870(1) nγ = 1.900(1)
Max Birefringence:
δ = 0.080
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Comments:
2V(obs.) is large

Chemical Properties of Nickeltsumcorite

Formula:
Pb(Ni,Fe3+)2(AsO4)2(H2O,OH)2

May be Fe3+-free but contain minor Co instead.
Elements listed in formula:
Analytical Data:
Electron microprobe, wt.%, water by difference; empirical formula basis: 10 oxygen apfu
CaO 2.79
PbO 28.12
MgO 0.30
CoO 0.15
NiO 17.39
ZnO 0.76
Mn2O3 0.57
Fe2O3 6.83
As2O5 38.17
H2O 4.92

total 100.00
Common Impurities:
Fe(III),Ca

Crystallography of Nickeltsumcorite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Space Group Setting:
C2/m
Cell Parameters:
a = 9.124(8) Å, b = 6.339(3) Å, c = 7.567(7) Å
β = 115.19(6)°
Ratio:
a:b:c = 1.439 : 1 : 1.194
Unit Cell Volume:
V 396 ų
Z:
2
X-Ray Powder Diffraction Data:
d-spacingIntensity
4.64 (100)
4.47 (41)
3.238 (82)
3.008 (60)
2.859 (41)
2.730 (54)
2.545 (79)
2.505 (61)

Type Occurrence of Nickeltsumcorite

General Appearance of Type Material:
(1) coarse radial spherulites or dense concentric nodules, up to 0.15 mm in diameter, forming open-work aggregates and interrupted crusts, up to 3 × 5 mm (and up to 0.2 mm thick); (2) bunches or hemispherical clusters of crude individuals and separate, im
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4391/1.
Geological Setting of Type Material:
oxidation zone of a hydrothermal orebody
Empirical Formula:
(Pb0.76Ca0.30)Σ1.06(Ni1.39Fe3+0.51Zn0.06Mn3+0.04Mg0.04Co0.01)Σ2.05As1.99O7.97[(H2O)1.25(OH)0.78]

Relationship of Nickeltsumcorite to other Species

Other Members of Group:
CabalzariteCa(Mg,Al,Fe3+)2(AsO4)2(OH,H2O)2
CobaltlotharmeyeriteCa(Co,Fe3+,Ni)2(AsO4)2 · 2(H2O,OH)
CobalttsumcoritePb(Co,Fe3+,Ni)2(AsO4)2 · 2(H2O,OH)
FerrilotharmeyeriteCa(Fe3+,Zn)2(AsO4)2 · 2(OH,H2O)
GartrellitePb(Cu,Fe3+,Zn)2(AsO4,SO4)2 · 2(H2O,OH)
HelmutwinkleritePb(Zn,Cu)2(AsO4)2 · 2H2O
KaliochalciteKCu2(SO4)2[(OH)(H2O)]
KrettnichitePbMn23+(VO4)2(OH)2
LotharmeyeriteCa(Zn,Mn3+)2(AsO4)2 · 2(H2O,OH)
LukrahniteCa(Cu,Zn)(Fe3+,Zn)(AsO4)2 · 2(H2O,OH)
ManganlotharmeyeriteCaMn23+(AsO4)2(OH)2
MawbyitePb(Fe3+,Zn)2(AsO4)2 · 2(OH,H2O)
MounanaitePbFe23+(VO4)2(OH,F)2
NatrochalciteNaCu2(SO4)2(OH) · 2H2O
Nickelschneebergite(Bi3+,Ca)(Ni,Co,Fe3+)2(AsO4)2 · 2(OH,H2O)
PhosphogartrellitePb(Cu,Fe3+)2(PO4,AsO4)2 · 2(H2O,OH)
RappolditePb(Co,Ni,Zn)2(AsO4)2 · 2H2O
Schneebergite(Bi3+,Ca)(Co,Ni,Fe3+)2(AsO4)2(OH,H2O)2
ThometzekitePb(Cu,Zn)2(AsO4,SO4)2 · 2(H2O,OH)
TsumcoritePbZn2(AsO4)2 · 2H2O
YancowinnaitePbCuAl(AsO4)2OH · H2O
ZincgartrellitePb(Zn,Fe3+,Cu)2(AsO4)2 · 2(H2O,OH)

Other Names for Nickeltsumcorite

Name in Other Languages:

Other Information

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 Nickeltsumcorite

Reference List:
U. Kolitsch, G. Blaß, H.-W. Graf und J. Gröbner (2004): Neufunde aus der Grube Clara im mittleren Schwarzwald. Lapis 29 (2) 18-23; 50. (in German) [as Unnamed Ni-analogue of Cobalttsumcorite]

U. Kolitsch et al. (unpublished data)

Pekov, I.V., Chukanov, N.V., Varlamov, D.A., Belakovskiy, D.I., Voudouris, P., Katerinopoulos, A. and Magganas, A. (2014) Nickeltsumcorite, IMA 2013-117. CNMNC Newsletter No. 19, February 2014, page 170; Mineralogical Magazine, 78, 165-170.

Pekov, I.V., Chukanov, N.V., Varlamov, D.A., Belakovskiy, D.I., Turchkova, A.G., Voudouris, P., Katerinopoulos, A., Magganas, A. (2016): Nickeltsumcorite, Pb(Ni,Fe3+)2(AsO4)2(H2O,OH)2, a new tsumcorite-group mineral from Lavrion, Greece. Mineralogical Magazine: 80: 337-346

Internet Links for Nickeltsumcorite

mindat.org URL:
https://www.mindat.org/min-44167.html
Please feel free to link to this page.

Localities for Nickeltsumcorite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
U. Kolitsch, G. Blaß, H.-W. Graf und J. Gröbner (2004): Neufunde aus der Grube Clara im mittleren Schwarzwald. Lapis 29 (2) 18-23; 50. (in German) [as Unnamed Ni-analogue of Cobalttsumcorite]; U. Kolitsch et al. (unpublished data)
Greece (TL)
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Lavrion (Laurion; Laurium)
Pekov, I.V., Chukanov, N.V., Varlamov, D.A., Belakovskiy, D.I., Voudouris, P., Katerinopoulos, A. and Magganas, A. (2014) Nickeltsumcorite, IMA 2013-117. CNMNC Newsletter No. 19, February 2014, page 170; Mineralogical Magazine, 78, 165-170; Pekov, I.V., Chukanov, N.V., Varlamov, D.A., Belakovskiy, D.I., Turchkova, A.G., Voudouris, P., Katerinopoulos, A., Magganas, A. (2016): Nickeltsumcorite, Pb(Ni,Fe3+)2(AsO4)2(H2O,OH)2, a new tsumcorite-group mineral from Lavrion, Greece. Mineralogical Magazine (in press)
Mineral and/or Locality  
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