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Schafarzikite

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Ferenc Schafarzik
Formula:
Fe2+Sb23+O4
System:
Tetragonal
Colour:
Red-brown to red, black; ...
Hardness:
Name:
Named after Professor Ferenc Schafarzik (1854-1927) Hungarian mineralogist and engineering geologist of Budapest, Hungary.
Trippkeite Group.

A secondary mineral occurring in the oxidation zones of antimony-bearing hydrothermal mineral deposits.

Classification of Schafarzikite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
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
45.1.6.1

45 : ACID AND NORMAL ANTIMONITES AND ARSENITES
1 : Miscellaneous
24.4.5

24 : Antimonates and Antimonites
4 : Antimonates and antimonites of Mn and Fe
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First Recorded Occurrence of Schafarzikite

Place of Conservation of First Recorded Material:
University of Vienna, Vienna, Austria.
Year of Discovery:
1921
Geological Setting of First Recorded Material:
Hydrothermal Sb mineralization, bound to black shales and phyllites in a zone of actinolitic rocks.
Associated Minerals at First Recorded Locality:

Occurrences of Schafarzikite

Geological Setting:
In oxidized zones of antimony-bearing hydrothermal deposits.

Physical Properties of Schafarzikite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Red-brown to red, black; yellow in transitted light
Streak:
Brown
Hardness (Mohs):
Hardness (Vickers):
VHN10=251 - 278 kg/mm2
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Distinct/Good
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)

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 Volume:
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.

Optical Data of Schafarzikite

Type:
Uniaxial (+)
Pleochroism:
Strong
Comments:
E = Brownish yellow
O = Straw-yellow

Chemical Properties of Schafarzikite

Formula:
Fe2+Sb23+O4
Essential elements:
All elements listed in formula:
Analytical Data:
Results from electron microprobe analysis of material from the type locality
FeO    (19.38)
ZnO     (0.02)
PbO     (0.02)
Sb2O3  (80.36)
As2O3   (0.55)
Bi2O3   (0.16)
SO2     (0.04)

total  100.53 wt.-%
Empirical Formula:
Fe0.97(Sb1.99As0.02)=2.01O4

Relationship of Schafarzikite to other Species

4.JA.05LeiteiteZn(As2O4)
4.JA.10ReineriteZn3(AsO3)2
4.JA.15KaribibiteFe2As4O9
4.JA.20KusachiiteCuBi2O4
4.JA.20TrippkeiteCu[As2O4]
4.JA.25ApuaniteFe2+Fe43+Sb43+O12S
4.JA.30VersiliaiteFe2Fe4Sb6O16S
4.JA.35SchneiderhöhniteFe2+Fe33+[As5O13]
4.JA.40Zimbabweite(Na,K)2PbAs4(Ta,Nb,Ti)4O18
4.JA.45LudlockitePbFe43+As103+O22
4.JA.50PaulmooreitePb2[As2O5]
4.JA.55StibivaniteSb2VO5
4.JA.60Chadwickite(UO2)[HAsO3]
24.4.1IngersoniteCa3MnSb4O14
24.4.2Manganostibite(Mn,Fe)7SbAsO12
24.4.3TripuhyiteFe3+Sb5+O4

Other Names for Schafarzikite

Name in Other Languages:
Simplified Chinese:红锑铁矿

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 Schafarzikite

Reference List:
Krenner (1921) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 56: 198.

Tokody (1925) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 62: 123.

Hueber (1932) Centralblatt für Mineralogie, Geologie und Paleontologie, Stuttgart: 337.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 1035-1036.

Zemann, J. (1951) Formel und Kristallstruktur des Schafarzikits. Tschermaks Mineral. Petrog. Mitt., 2, 166–175 (in German).

American Mineralogist (1952): 37: 136.

Fischer, R. and F. Pertlik (1975) Verfeinerung der Kristallstruktur des Schafarzikits, FeSb2O4. Tschermaks Mineralogische und Petrographische Mitteilungen: 22: 236–241 (in German with English abstract).

Mellini, M., M. Amouric, A. Baronnet, and G. Mercuriot (1981) Microstructures and nonstoichiometry in schafarzikite- like minerals. American Mineralogist: 66: 1073-1079.

Tschermaks Mineralogische und Petrographische Mitteilungen: 22: 236-241.

Sejkora, J., Ozdín, D., Vitálos,, J., TuĿek, P., Čejka, J., ĎuĿa, R. (2007): Schafarzikite from the type locality Pernek (Malé Karpaty Mountains, Slovak Republic) revisited. European Journal of Mineralogy, 19, 419-427.

Internet Links for Schafarzikite

Localities for Schafarzikite

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.
Bolivia
 
  • Potosí Department
    • Antonio Quijarro Province
Jan Bernard & Jaroslav Hyrsl (2004) Minerals and their Localities.; Econ Geol (1997) 92:623-632; Dill, H.G. (1998): Mineralium Deposita 33, 359-378.
Canada
 
  • Québec
    • Centre-du-Québec
      • Arthabaska RCM
        • Saints-Martyrs-Canadiens
[MinRec 1996]
Italy
 
  • Lombardy
    • Sondrio Province
      • Valtellina
        • Sondalo
Rivista Mineralogica Italiana(4): 255-256
  • Tuscany
    • Lucca Province
      • Apuan Alps
        • Stazzema
          • Ponte Stazzemese
Orlandi P., Dini A., 2004. Die Mineralien der Buca della Vena-Mine, Apuaner Berge, Toskana (Italien). Lapis, 1: 11-24.
Luxembourg
 
  • Goesdorf commune
    • Goesdorf
[Filella M., Philippo S., Belzile N., Chen Y. and Quentel F. (2009) Natural attenuation processes applying to antimony: A study in the abandoned antimony mine in Goesdorf, Luxembourg - Science of the total environment (in press)]
Poland
 
  • Małopolskie
    • Olkusz District
      • Bolesław
Coppola, V., Boni, M., Gilg, A., and Strzelska-Smakowska, B. (2009): Mineralium Deposita 44, 559-580.
      • Olkusz
Coppola, V., Boni, M., Gilg, A., and Strzelska-Smakowska, B. (2009): Mineralium Deposita 44, 559-580.
Slovakia
 
  • Bratislava Region
    • Malacky Co.
      • Pernek
Sejkora J., Ozdín D., Vitáloš J., Tuček P., Čejka J., Ďuďa R., 2007: Schafarzikite from the type locality Pernek (Malé Karpaty Mountains, Slovak Republic) revisited. European Journal of Mineralogy, 19, 3, 419-427.
    • Pezinok Co.
      • Pezinok
[MinRec 31:153-162]
Thailand
 
  • Phrae Province
Dill, H.G., Melcher, F., and Botz, R. (2008): Ore Geology Reviews 34, 242-262.
USA
 
  • Maine
    • Aroostook Co.
      • Linneus
King, V. and Foord, E, 1994, Mineralogy of Maine, v. 1.
Mineral and/or Locality  
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