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Nickelschneebergite

A valid IMA mineral species
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08725400017271929694306.jpg
Nickelschneebergite

Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
03054810017271929736098.jpg
Nickelschneebergite

Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
03548890017793791676094.jpg
Nickelschneebergite

Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
08725400017271929694306.jpg
Nickelschneebergite

Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
03054810017271929736098.jpg
Nickelschneebergite

Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
03548890017793791676094.jpg
Nickelschneebergite

Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
08725400017271929694306.jpg
Nickelschneebergite

Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
03054810017271929736098.jpg
Nickelschneebergite

Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
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About NickelschneebergiteHide

Formula:
BiNi2(AsO4)2(OH) · H2O
Colour:
light brown to greenish brown
Lustre:
Adamantine
Hardness:
4 - 4½
Specific Gravity:
5.23 (Calculated)
Crystal System:
Monoclinic
Name:
Named in allusion to its composition with nickel dominant over cobalt, and for its relationship with Schneebergite.
This page provides mineralogical data about Nickelschneebergite.


Unique IdentifiersHide

Mindat ID:
11379
Long-form identifier:
mindat:1:1:11379:9

IMA Classification of NickelschneebergiteHide

IMA status:
Approved
IMA Formula:
Bi3+Ni2+2(As5+O4)2(OH)·H2O
Approval year:
1999

Classification of NickelschneebergiteHide

Strunz-mindat (2026):
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

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

Physical Properties of NickelschneebergiteHide

Lustre:
Adamantine
Transparency:
Transparent
Colour:
Light brown to greenish brown
Streak:
White to pale brown
Hardness:
4 - 4½ on Mohs scale
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
5.23 g/cm3 (Calculated)

Optical Data of NickelschneebergiteHide

Type:
Biaxial (+)
RI values:
nα = 1.92 nβ = 1.95 nγ = 1.97
2V:
Calculated: 77°
Max. Birefringence:
δ = 0.050
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.
Pleochroism:
Weak
Comments:
Weak to distinct, depending on Fe content. With X = Z = pale yellow, Y = brown.

Chemistry of NickelschneebergiteHide

Mindat Formula:
BiNi2(AsO4)2(OH) · H2O
Element Weights:
Element% weight
Bi32.693 %
O25.029 %
As23.441 %
Ni18.364 %
H0.473 %

Calculated from ideal end-member formula.
Bi
O
As
Ni
H
Elements listed:
As, Bi, H, Ni, O - search for minerals with similar chemistry

Crystallography of NickelschneebergiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 8.995 Å, b = 6.207 Å, c = 7.462 Å
β = 115°
Ratio:
a:b:c = 1.449 : 1 : 1.202
Unit Cell V:
377.58 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Tabular on {201}, also showing {001}, {101}, {101}, {102} and {111}

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0006925NickelschneebergiteKrause W, Bernhardt H J, Effenberger H, Witzke T (2002) Schneebergite and nickelschneebergite from Schneeberg, Saxony, Germany: the first Bi-bearing members of the tsumcorite group European Journal of Mineralogy 14 115-1262002Schneeberg, Saxony, Germany0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.586 Å(40)
3.196 Å(100)
2.980 Å(72)
2.821 Å(44)
2.507 Å(47)
1.702 Å(57)
Locality:
Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47d : [Arsenates, antimonates, selenates, bismuthinates]

Type Occurrence of NickelschneebergiteHide

Type Locality:
ⓘ Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany
General Appearance of Type Material:
aggregates of tabular to lath-like, or acicular micro-crystals to 0.5 mm in length
Place of Conservation of Type Material:
Museum of Mineralogy and Geology, Dresden, Germany
Geological Setting of Type Material:
in quartz casts of decomposed cobalt and nickel arsenides
Associated Minerals at Type Locality:
BariopharmacosideriteCobaltlotharmeyeriteFerrilotharmeyeriteNickellotharmeyeritePreisingerite
ScoroditeWaylanditeZeunerite

Synonyms of NickelschneebergiteHide

Other Language Names for NickelschneebergiteHide

Relationship of Nickelschneebergite to other SpeciesHide

Member of:
Tsumcorite Group
Other Members of Tsumcorite Group:
AlumolukrahniteCa[CuAl](AsO4)2(H2O,OH)2Tric. 1 : P1
CabalzariteCaMg2(AsO4)2 · 2H2OMon. 2/m : B2/m
CobaltlotharmeyeriteCaCo2(AsO4)2 · 2H2OMon. 2/m : B2/m
CobalttsumcoritePbCo2(AsO4)2 · 2H2OMon. 2/m : B2/m
FerrilotharmeyeriteCaZnFe3+(AsO4)2(OH) · H2OMon. 2/m : B2/m
GartrellitePbCuFe3+(AsO4)2(OH) · H2OTric. 1 : P1
HelmutwinkleritePbZn2(AsO4)2 · 2H2OTric. 1 : P1
KaliochalciteKCu2(SO4)2[(OH)(H2O)]Mon. 2/m : B2/m
KrettnichitePbMn3+2(VO4)2(OH)2Mon. 2/m : B2/m
LotharmeyeriteCaZn2(AsO4)2 · 2H2OMon. 2/m : B2/m
LukrahniteCaCuFe3+(AsO4)2(OH,H2O)2Tric. 1 : P1
ManganlotharmeyeriteCaMn3+2(AsO4)2(OH)2Mon. 2/m : B2/m
MawbyitePbFe3+2(AsO4)2(OH)2Mon. 2/m : B2/m
MounanaitePbFe3+2(VO4)2(OH)2Mon. 2/m : B2/m
NatrochalciteNaCu2(SO4)2(OH) · 2H2OMon. 2/m : B2/m
NickellotharmeyeriteCaNi2(AsO4)2 · 2H2OMon. 2/m : B2/m
NickeltsumcoritePb(Ni,Fe3+)2(AsO4)2(H2O,OH)2Mon. 2/m : B2/m
PhosphogartrellitePbCuFe3+(PO4)2(OH,H2O)2Tric. 1 : P1
RappolditePbCo2(AsO4)2 · 2H2OTric. 1 : P1
SchneebergiteBiCo2(AsO4)2(OH) · H2OMon. 2/m : B2/m
ThometzekitePbCu2+2(AsO4)2 · 2H2OMon. 2/m : B2/m
TsumcoritePbZn2(AsO4)2 · 2H2OMon. 2/m : B2/m
YancowinnaitePbCuAl(AsO4)2OH · H2O Tric. 1 : P1
ZincgartrellitePbZn2(AsO4)2(H2O,OH)2Tric. 1 : P1

Common AssociatesHide

Associations Based on Photo Data:
3 photos of Nickelschneebergite associated with SchneebergiteBiCo2(AsO4)2(OH) · H2O
3 photos of Nickelschneebergite associated with QuartzSiO2
1 photo of Nickelschneebergite associated with BariopharmacosideriteBa0.5Fe3+4(AsO4)3(OH)4 · 5H2O

Related Minerals - Strunz-mindat GroupingHide

8.CG.FluckiteCaMn2+(AsO3OH)2 · 2H2OTric. 1 : P1
8.CG.DondoelliteCa2Fe(PO4)2 · 2H2OTric. 1 : P1
8.CG.'Ca-Huréaulite'CaMn5(PO4)4 · 4H2O
8.CG.AlumolukrahniteCa[CuAl](AsO4)2(H2O,OH)2Tric. 1 : P1
8.CG.05ParabrandtiteCa2Mn2+(AsO4)2 · 2H2OTric. 1 : P1
8.CG.05TalmessiteCa2Mg(AsO4)2 · 2H2OTric. 1 : P1
8.CG.05CollinsiteCa2Mg(PO4)2 · 2H2OTric. 1 : P1
8.CG.05MesseliteCa2Fe2+(PO4)2 · 2H2OTric. 1 : P1
8.CG.05GaititeCa2Zn(AsO4)2 · 2H2OTric. 1 : P1
8.CG.05AnorthoroseliteCa2Co(AsO4)2 · 2H2OTric.
8.CG.05CassidyiteCa2Ni(PO4)2 · 2H2OTric.
8.CG.05FairfielditeCa2Mn2+(PO4)2 · 2H2OTric. 1 : P1
8.CG.05HilliteCa2Zn(PO4)2 · 2H2OTric. 1 : P1
8.CG.05'Unnamed (Fe2+-analogue of Parabrandtite)'Ca2Fe2+(AsO4)2 · 2H2O
8.CG.10ZincroseliteCa2Zn(AsO4)2 · 2H2OMon. 2/m : P21/b
8.CG.10RoseliteCa2Co(AsO4)2 · 2H2OMon. 2/m : P21/b
8.CG.10RruffiteCa2Cu(AsO4)2 · 2H2OMon. 2/m : P21/b
8.CG.10WendwilsoniteCa2Mg(AsO4)2 · 2H2OMon. 2/m : P21/b
8.CG.10BrandtiteCa2Mn2+(AsO4)2 · 2H2OMon. 2/m : P21/b
8.CG.10'Unnamed (Fe2+-analogue of Brandtite)'Ca2Fe2+(AsO4)2 · 2H2O
8.CG.15MawbyitePbFe3+2(AsO4)2(OH)2Mon. 2/m : B2/m
8.CG.15ThometzekitePbCu2+2(AsO4)2 · 2H2OMon. 2/m : B2/m
8.CG.15YancowinnaitePbCuAl(AsO4)2OH · H2O Tric. 1 : P1
8.CG.15SchneebergiteBiCo2(AsO4)2(OH) · H2OMon. 2/m : B2/m
8.CG.15CabalzariteCaMg2(AsO4)2 · 2H2OMon. 2/m : B2/m
8.CG.15LotharmeyeriteCaZn2(AsO4)2 · 2H2OMon. 2/m : B2/m
8.CG.15NickeltsumcoritePb(Ni,Fe3+)2(AsO4)2(H2O,OH)2Mon. 2/m : B2/m
8.CG.15MagnesiofluckiteCaMg(AsO3OH)2(H2O)2Tric. 1 : P1
8.CG.15KrettnichitePbMn3+2(VO4)2(OH)2Mon. 2/m : B2/m
8.CG.15CobalttsumcoritePbCo2(AsO4)2 · 2H2OMon. 2/m : B2/m
8.CG.15ManganlotharmeyeriteCaMn3+2(AsO4)2(OH)2Mon. 2/m : B2/m
8.CG.15TsumcoritePbZn2(AsO4)2 · 2H2OMon. 2/m : B2/m
8.CG.15FerrilotharmeyeriteCaZnFe3+(AsO4)2(OH) · H2OMon. 2/m : B2/m
8.CG.15CobaltlotharmeyeriteCaCo2(AsO4)2 · 2H2OMon. 2/m : B2/m
8.CG.15MounanaitePbFe3+2(VO4)2(OH)2Mon. 2/m : B2/m
8.CG.15NickellotharmeyeriteCaNi2(AsO4)2 · 2H2OMon. 2/m : B2/m
8.CG.20LukrahniteCaCuFe3+(AsO4)2(OH,H2O)2Tric. 1 : P1
8.CG.20HelmutwinkleritePbZn2(AsO4)2 · 2H2OTric. 1 : P1
8.CG.20PhosphogartrellitePbCuFe3+(PO4)2(OH,H2O)2Tric. 1 : P1
8.CG.20GartrellitePbCuFe3+(AsO4)2(OH) · H2OTric. 1 : P1
8.CG.20ZincgartrellitePbZn2(AsO4)2(H2O,OH)2Tric. 1 : P1
8.CG.20RappolditePbCo2(AsO4)2 · 2H2OTric. 1 : P1
8.CG.25Pottsite(Pb3xBi4-2x)(VO4)4 · H2O (0.8 < x < 1.0)Tet. 4/m : I41/a
8.CG.25Armellinoite-(Ce)Ca4Ce4+(AsO4)4 · H2OTet. 4/m : I41/a
8.CG.35NickeltalmessiteCa2Ni(AsO4)2 · 2H2OTric. 1 : P1
8.CG.55IrhtemiteCa4Mg(AsO4)2(HAsO4)2 · 4H2OMon.

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 NickelschneebergiteHide

References for NickelschneebergiteHide

Localities for NickelschneebergiteHide

Showing 2 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.
Germany
 
  • Saxony
    • Erzgebirgskreis
      • Schneeberg
        • Neustädtel
          • Wolfgangmaßen
            • Wolfgangmaßen mines (Wolfgangmaaßen mines)
Desor (04/2020)
      • Zschorlau
Krause et al. (2002)
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