Schafarzikite
A valid IMA mineral species - grandfathered
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About Schafarzikite
Formula:
Fe2+Sb3+2O4
Colour:
Red-brown to red, black; yellow in transmitted light
Lustre:
Metallic
Hardness:
3½
Specific Gravity:
4.3
Crystal System:
Tetragonal
Member of:
Name:
Named after Professor Ferenc Schafarzik (March 20, 1854 - September 5, 1927) Hungarian mineralogist and engineering geologist of Budapest, Hungary. Professor of Mineralogy and Geology in the Polytechnic at Budapest.
The Fe analogue of manganoschafarzikite.
A secondary mineral occurring in the oxidation zones of antimony-bearing hydrothermal mineral deposits.
A secondary mineral occurring in the oxidation zones of antimony-bearing hydrothermal mineral deposits.
Unique Identifiers
Mindat ID:
3554
Long-form identifier:
mindat:1:1:3554:1
GUID
(UUID V4):
(UUID V4):
e0021607-a1bb-45a1-a0f4-f26ed4097653
IMA Classification of Schafarzikite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Fe2+(Sb3+)2O4
First published:
1921
Type description reference:
Classification of Schafarzikite
4.JA.20
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
A : Arsenites, antimonites, bismuthites; without additional anions, without H2O
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
A : Arsenites, antimonites, bismuthites; without additional anions, without H2O
45.1.6.1
45 : ACID AND NORMAL ANTIMONITES AND ARSENITES
1 : Miscellaneous
45 : ACID AND NORMAL ANTIMONITES AND ARSENITES
1 : Miscellaneous
24.4.5
24 : Antimonates and Antimonites
4 : Antimonates and antimonites of Mn and Fe
24 : Antimonates and Antimonites
4 : Antimonates and antimonites of Mn and Fe
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Sfz | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Schafarzikite
Metallic
Transparency:
Opaque
Colour:
Red-brown to red, black; yellow in transmitted light
Streak:
Brown
Hardness:
3½ on Mohs scale
Hardness:
VHN10=251 - 278 kg/mm2 - Vickers
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Distinct/Good
On {110}, perfect; on {100}, very good; on {001}, in traces.
On {110}, perfect; on {100}, very good; on {001}, in traces.
Fracture:
None observed
Density:
4.3 g/cm3 (Measured) 5.24 g/cm3 (Calculated)
Optical Data of Schafarzikite
Type:
Uniaxial (+)
Pleochroism:
Strong
Comments:
E = Brownish yellow
O = Straw-yellow
O = Straw-yellow
Chemistry of Schafarzikite
Mindat Formula:
Fe2+Sb3+2O4
Elements listed:
Crystallography of Schafarzikite
Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P42/mbc
Cell Parameters:
a = 8.59(2) Å, c = 5.913(3) Å
Ratio:
a:c = 1 : 0.688
Unit Cell V:
437.8 ų
Z:
4
Morphology:
Crystals prismatic with {100} striated parallel to [001], exhibiting {100}, {110}, {111}, {132}, and {012}, as well as several additional forms.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0018888 | Schafarzikite | Hinrichsen B, Dinnebier R E, Rajiv P, Hanfland M, Grzechnik A, Jansen M (2006) Advances in data reduction of high-pressure X-ray powder diffraction data from two-dimensional detectors: a case study of schafarzikite (FeSb2O4) Journal of Physics: Condensed Matter 18 S1021-S1037 | 2006 | 0.5 | 293 | ||
0018889 | Schafarzikite | Hinrichsen B, Dinnebier R E, Rajiv P, Hanfland M, Grzechnik A, Jansen M (2006) Advances in data reduction of high-pressure X-ray powder diffraction data from two-dimensional detectors: a case study of schafarzikite (FeSb2O4) Journal of Physics: Condensed Matter 18 S1021-S1037 | 2006 | 4.2 | 293 | ||
0018890 | Schafarzikite | Hinrichsen B, Dinnebier R E, Rajiv P, Hanfland M, Grzechnik A, Jansen M (2006) Advances in data reduction of high-pressure X-ray powder diffraction data from two-dimensional detectors: a case study of schafarzikite (FeSb2O4) Journal of Physics: Condensed Matter 18 S1021-S1037 | 2006 | 10.5 | 293 | ||
0015631 | Schafarzikite | Zemann J (1951) Formel und kristallstruktur des schafarzikits Tschermaks Mineralogische und Petrographische Mitteilungen 2 166-175 | 1951 | Pernek, Slovakia - 30 km north of Bratislava | 0 | 293 | |
0015656 | Schafarzikite | Fischer R, Pertlik F (1975) Verfeinerung der kristallstruktur des schafarzikites, FeSb2O4 Tschermaks Mineralogische und Petrographische Mitteilungen 22 236-241 | 1975 | Pernek, Slowakei, CSSR | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
1.050 Å | (125) |
1.014 Å | (125) |
1.670 Å | (100) |
1.309 Å | (60) |
1.158 Å | (60) |
3.22 Å | (50) |
3.04 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47d : [Arsenates, antimonates, selenates, bismuthinates] | |
47h : [Near-surface oxidized, dehydrated minerals] | |
Stage 10b: Anthropogenic minerals | <10 Ka |
57 : Other minerals formed by human processes |
Geological Setting:
In oxidized zones of antimony-bearing hydrothermal deposits.
Type Occurrence of Schafarzikite
General Appearance of Type Material:
Thick red needles.
Place of Conservation of Type Material:
University of Vienna, Vienna, Austria.
Geological Setting of Type Material:
Hydrothermal Sb mineralization, bound to black shales and phyllites in a zone of actinolitic rocks.
Associated Minerals at Type Locality:
Reference:
Krenner, J.A. (1921) Schafarzikit, ein neues mineral. Zeitschrift für Kristallographie, 56, 198-200.
Other Language Names for Schafarzikite
Relationship of Schafarzikite to other Species
Member of:
Other Members of this group:
Igelströmite | Fe3+(SbPb)O4 | Tet. 4/mmm (4/m 2/m 2/m) : P42/mbc |
Manganoschafarzikite | MnSb2O4 | Tet. 4/mmm (4/m 2/m 2/m) : P42/mbc |
Minium | Pb3O4 | Tet. 4/mmm (4/m 2/m 2/m) : P42/mbc |
Trippkeite | Cu2+As3+2O4 | Tet. 4/mmm (4/m 2/m 2/m) : P42/mbc |
Common Associates
Associated Minerals Based on Photo Data:
20 photos of Schafarzikite associated with Kermesite | Sb2S2O |
4 photos of Schafarzikite associated with Apuanite | Fe2+Fe3+4Sb3+4O12S |
3 photos of Schafarzikite associated with Stibnite | Sb2S3 |
3 photos of Schafarzikite associated with Versiliaite | Fe2Fe4Sb6O16S |
2 photos of Schafarzikite associated with Quartz | SiO2 |
2 photos of Schafarzikite associated with Cervantite | Sb3+Sb5+O4 |
2 photos of Schafarzikite associated with Mopungite | Na[Sb5+(OH)6] |
2 photos of Schafarzikite associated with Sulphur | S8 |
1 photo of Schafarzikite associated with Ankerite | Ca(Fe2+,Mg)(CO3)2 |
1 photo of Schafarzikite associated with Calcite | CaCO3 |
Related Minerals - Strunz-mindat Grouping
4.JA.05 | Leiteite | Zn(As2O4) |
4.JA.10 | Reinerite | Zn3(AsO3)2 |
4.JA.15 | Karibibite | Fe3+3(As3+O2)4(As3+2O5)(OH) |
4.JA.20 | Kusachiite | CuBi2O4 |
4.JA.20 | Trippkeite | Cu2+As3+2O4 |
4.JA.20 | Igelströmite | Fe3+(SbPb)O4 |
4.JA.20 | Manganoschafarzikite | MnSb2O4 |
4.JA.25 | Apuanite | Fe2+Fe3+4Sb3+4O12S |
4.JA.30 | Versiliaite | Fe2Fe4Sb6O16S |
4.JA.35 | Schneiderhöhnite | Fe2+Fe3+3As3+5O13 |
4.JA.40 | Zimbabweite | (Na,K)2PbAs4(Ta,Nb,Ti)4O18 |
4.JA.45 | Ludlockite | PbFe3+4As3+10O22 |
4.JA.50 | Paulmooreite | Pb2[As2O5] |
4.JA.55 | Stibivanite | Sb2VO5 |
4.JA.60 | Chadwickite | (UO2)[HAsO3] |
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.
Internet Links for Schafarzikite
mindat.org URL:
https://www.mindat.org/min-3554.html
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External Links:
References for Schafarzikite
Reference List:
Krenner, J.A. (1921) Schafarzikit, ein neues mineral. Zeitschrift für Kristallographie, 56, 198-200.
Zemann, Josef (1951) Formel und Kristallstruktur des Schafarzikits. Tschermaks Mineralogische und Petrographische Mitteilungen, 2 (2) 166-175 doi:10.1007/bf01127892
Fischer, R., Pertlik, F. (1975) Verfeinerung der Kristallstruktur des Schafarzikits, FeSb2O4. TMPM Tschermaks Mineralogische und Petrographische Mitteilungen, 22 (3) 236-241 doi:10.1007/bf01087842
Localities for Schafarzikite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Bolivia | |
| Dill et al. (1995) +3 other references |
Canada | |
| Robinson et al. (1996) |
Italy | |
| Rivista Mineralogica Italiana (4) |
| Orlandi et al. (2004) |
| Menchetti et al. (2015) |
Luxembourg | |
| Filella et al. (2009) |
Poland | |
| Coppola et al. (2009) |
| Coppola et al. (2009) |
Portugal | |
| Mateus et al. (2005) |
Slovakia (TL) | |
| Krenner (1921) +1 other reference |
| Uher et al. (2000) |
Spain | |
| Joan Abella i Creus (Joanabellacreus@gmail.com) +1 other reference |
Thailand | |
| Dill et al. (2008) |
USA | |
| King et al. (1994) |
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Krížnica deposit, Pernek, Malacky District, Bratislava Region, Slovakia