Schafarzikite
A valid IMA mineral species - grandfathered
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About Schafarzikite
Ferenc Schafarzik
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, Debrecen, Kingdom of Hungary - September 5, 1927, Budapest, Kingdom of Hungary), 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
IMA Classification of Schafarzikite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1921
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 for Standard |
|---|---|---|
| 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
Element Weights:
Elements listed:
Crystallography of Schafarzikite
Crystal System:
Tetragonal
Class (H-M):
4/mmm(4/m2/m2/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) |
|---|---|---|---|---|---|---|---|
| 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 | |
| 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 | |
| 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 |
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:
Other Language Names for Schafarzikite
Dutch:Schafarzikiet
German:Schafarzikit
Russian:Шафарцикит
Simplified Chinese:红锑铁矿
Spanish:Schafarzikita
Relationship of Schafarzikite to other Species
Member of:
Other Members of Minium Group:
| Igelströmite | Fe3+(Sb3+Pb2+)O4 | Tet. 4/mmm(4/m2/m2/m) : P42/mbc |
| Manganoschafarzikite | MnSb2O4 | Tet. 4/mmm(4/m2/m2/m) : P42/mbc |
| Minium | Pb3O4 | Tet. 4/mmm(4/m2/m2/m) : P42/mbc |
| Trippkeite | Cu2+As3+2O4 | Tet. 4/mmm(4/m2/m2/m) : P42/mbc |
Common Associates
Associations 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 Native 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 | Manganoschafarzikite | MnSb2O4 |
| 4.JA.20 | Trippkeite | Cu2+As3+2O4 |
| 4.JA.20 | Kusachiite | CuBi2O4 |
| 4.JA.20 | Igelströmite | Fe3+(Sb3+Pb2+)O4 |
| 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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References for Schafarzikite
Reference List:
Tokody, L. (1925) Beiträge zur Kenntnis der kristallographischen und physikalischen Eigenschaften des Schafarzikits. Zeitschrift für Kristallographie, 62 (1-6). 123-126 doi:10.1524/zkri.1925.62.1.123
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
Mellini, Marcello, Amouric, Marc, Baronnet, Alain, Mercuriot, Genevieve (1981) Microstructures and nonstoichiometry in schafarzikite-like minerals. American Mineralogist, 66 (9-10) 1073-1079
Sejkora, Jiří Ozdín, Vitálo, Jiří Tuček, Čejka, Jiří Ďuda (2007) Schafarzikite from the type locality Pernek (Malé Karpaty Mountains, Slovak Republic) revisited. European Journal of Mineralogy, 19 (3). 419-427 doi:10.1127/0935-1221/2007/0019-1723
Bahfenne, S., Rintoul, L., Frost, R. L. (2011) Single-crystal Raman spectroscopy of natural schafarzikite FeSb2O4 from Pernek, Slovak Republic. American Mineralogist, 96 (5) 888-894 doi:10.2138/am.2011.3712
Kharbish, S. (2012) Raman spectra of minerals containing interconnected As(Sb)O3 pyramids: trippkeite and schafarzikite. Journal of GEOsciences, 57 (1) 53-62
Localities for Schafarzikite
Showing 15 localities.
symbol to view information about a locality.
The 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).
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) |
| Kozłowski et al. (2024) |
Portugal | |
| Mateus et al. (2005) |
Slovakia (TL) | |
| Krenner (1921) +1 other reference |
| Uher et al. (2000) +1 other reference |
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